[{"article_processing_charge":"No","title":"Purely URL-based topic classification","language":[{"iso":"eng"}],"publication":"18th International World Wide Web Conference","year":"2009","_id":"11905","type":"conference","date_created":"2022-08-17T11:49:53Z","status":"public","author":[{"full_name":"Baykan, Eda","first_name":"Eda","last_name":"Baykan"},{"full_name":"Henzinger, Monika H","last_name":"Henzinger","first_name":"Monika H","orcid":"0000-0002-5008-6530","id":"540c9bbd-f2de-11ec-812d-d04a5be85630"},{"first_name":"Ludmila","last_name":"Marian","full_name":"Marian, Ludmila"},{"full_name":"Weber, Ingmar","first_name":"Ingmar","last_name":"Weber"}],"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","month":"04","publication_status":"published","date_published":"2009-04-01T00:00:00Z","quality_controlled":"1","abstract":[{"text":"Given only the URL of a web page, can we identify its topic? This is the question that we examine in this paper. Usually, web pages are classified using their content, but a URL-only classifier is preferable, (i) when speed is crucial, (ii) to enable content filtering before an (objection-able) web page is downloaded, (iii) when a page's content is hidden in images, (iv) to annotate hyperlinks in a personalized web browser, without fetching the target page, and (v) when a focused crawler wants to infer the topic of a target page before devoting bandwidth to download it. We apply a machine learning approach to the topic identification task and evaluate its performance in extensive experiments on categorized web pages from the Open Directory Project (ODP). When training separate binary classifiers for each topic, we achieve typical F-measure values between 80 and 85, and a typical precision of around 85. We also ran experiments on a small data set of university web pages. For the task of classifying these pages into faculty, student, course and project pages, our methods improve over previous approaches by 13.8 points of F-measure.","lang":"eng"}],"date_updated":"2023-02-17T14:54:56Z","day":"01","citation":{"ista":"Baykan E, Henzinger MH, Marian L, Weber I. 2009. Purely URL-based topic classification. 18th International World Wide Web Conference. WWW: Conference on World Wide Web, 1109–1110.","ama":"Baykan E, Henzinger MH, Marian L, Weber I. Purely URL-based topic classification. In: <i>18th International World Wide Web Conference</i>. Association for Computing Machinery; 2009:1109-1110. doi:<a href=\"https://doi.org/10.1145/1526709.1526880\">10.1145/1526709.1526880</a>","chicago":"Baykan, Eda, Monika H Henzinger, Ludmila Marian, and Ingmar Weber. “Purely URL-Based Topic Classification.” In <i>18th International World Wide Web Conference</i>, 1109–10. Association for Computing Machinery, 2009. <a href=\"https://doi.org/10.1145/1526709.1526880\">https://doi.org/10.1145/1526709.1526880</a>.","short":"E. Baykan, M.H. Henzinger, L. Marian, I. Weber, in:, 18th International World Wide Web Conference, Association for Computing Machinery, 2009, pp. 1109–1110.","ieee":"E. Baykan, M. H. Henzinger, L. Marian, and I. Weber, “Purely URL-based topic classification,” in <i>18th International World Wide Web Conference</i>, New York, NY, United States, 2009, pp. 1109–1110.","mla":"Baykan, Eda, et al. “Purely URL-Based Topic Classification.” <i>18th International World Wide Web Conference</i>, Association for Computing Machinery, 2009, pp. 1109–10, doi:<a href=\"https://doi.org/10.1145/1526709.1526880\">10.1145/1526709.1526880</a>.","apa":"Baykan, E., Henzinger, M. H., Marian, L., &#38; Weber, I. (2009). Purely URL-based topic classification. In <i>18th International World Wide Web Conference</i> (pp. 1109–1110). New York, NY, United States: Association for Computing Machinery. <a href=\"https://doi.org/10.1145/1526709.1526880\">https://doi.org/10.1145/1526709.1526880</a>"},"page":"1109-1110","doi":"10.1145/1526709.1526880","oa_version":"None","publisher":"Association for Computing Machinery","extern":"1","conference":{"start_date":"2009-04-20","location":"New York, NY, United States","end_date":"2009-04-24","name":"WWW: Conference on World Wide Web"},"scopus_import":"1","publication_identifier":{"isbn":["978-1-60558-487-4"]}},{"publication":"18th International World Wide Web Conference","language":[{"iso":"eng"}],"title":"Detecting the origin of text segments efficiently","article_processing_charge":"No","type":"conference","_id":"11906","year":"2009","status":"public","date_created":"2022-08-17T11:54:30Z","date_published":"2009-04-01T00:00:00Z","publication_status":"published","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","month":"04","author":[{"full_name":"Abdel Hamid, Ossama","first_name":"Ossama","last_name":"Abdel Hamid"},{"full_name":"Behzadi, Behshad","first_name":"Behshad","last_name":"Behzadi"},{"full_name":"Christoph, Stefan","last_name":"Christoph","first_name":"Stefan"},{"orcid":"0000-0002-5008-6530","id":"540c9bbd-f2de-11ec-812d-d04a5be85630","full_name":"Henzinger, Monika H","first_name":"Monika H","last_name":"Henzinger"}],"date_updated":"2023-02-17T14:56:47Z","abstract":[{"lang":"eng","text":"In the origin detection problem an algorithm is given a set S of documents, ordered by creation time, and a query document D. It needs to output for every consecutive sequence of k alphanumeric terms in D the earliest document in $S$ in which the sequence appeared (if such a document exists). Algorithms for the origin detection problem can, for example, be used to detect the \"origin\" of text segments in D and thus to detect novel content in D. They can also find the document from which the author of D has copied the most (or show that D is mostly original.) We concentrate on solutions that use only a fixed amount of memory. We propose novel algorithms for this problem and evaluate them together with a large number of previously published algorithms. Our results show that (1) detecting the origin of text segments efficiently can be done with very high accuracy even when the space used is less than 1% of the size of the documents in $S$, (2) the precision degrades smoothly with the amount of available space, (3) various estimation techniques can be used to increase the performance of the algorithms."}],"quality_controlled":"1","page":"61-70","citation":{"ista":"Abdel Hamid O, Behzadi B, Christoph S, Henzinger MH. 2009. Detecting the origin of text segments efficiently. 18th International World Wide Web Conference. WWW: International Conference on World Wide Web, 61–70.","ama":"Abdel Hamid O, Behzadi B, Christoph S, Henzinger MH. Detecting the origin of text segments efficiently. In: <i>18th International World Wide Web Conference</i>. Association for Computing Machinery; 2009:61-70. doi:<a href=\"https://doi.org/10.1145/1526709.1526719\">10.1145/1526709.1526719</a>","short":"O. Abdel Hamid, B. Behzadi, S. Christoph, M.H. Henzinger, in:, 18th International World Wide Web Conference, Association for Computing Machinery, 2009, pp. 61–70.","ieee":"O. Abdel Hamid, B. Behzadi, S. Christoph, and M. H. Henzinger, “Detecting the origin of text segments efficiently,” in <i>18th International World Wide Web Conference</i>, Madrid, Spain, 2009, pp. 61–70.","chicago":"Abdel Hamid, Ossama, Behshad Behzadi, Stefan Christoph, and Monika H Henzinger. “Detecting the Origin of Text Segments Efficiently.” In <i>18th International World Wide Web Conference</i>, 61–70. Association for Computing Machinery, 2009. <a href=\"https://doi.org/10.1145/1526709.1526719\">https://doi.org/10.1145/1526709.1526719</a>.","apa":"Abdel Hamid, O., Behzadi, B., Christoph, S., &#38; Henzinger, M. H. (2009). Detecting the origin of text segments efficiently. In <i>18th International World Wide Web Conference</i> (pp. 61–70). Madrid, Spain: Association for Computing Machinery. <a href=\"https://doi.org/10.1145/1526709.1526719\">https://doi.org/10.1145/1526709.1526719</a>","mla":"Abdel Hamid, Ossama, et al. “Detecting the Origin of Text Segments Efficiently.” <i>18th International World Wide Web Conference</i>, Association for Computing Machinery, 2009, pp. 61–70, doi:<a href=\"https://doi.org/10.1145/1526709.1526719\">10.1145/1526709.1526719</a>."},"day":"01","conference":{"location":"Madrid, Spain","start_date":"2009-04-20","end_date":"2009-04-24","name":"WWW: International Conference on World Wide Web"},"extern":"1","publisher":"Association for Computing Machinery","oa_version":"None","doi":"10.1145/1526709.1526719","publication_identifier":{"isbn":["978-160558487-4"]},"scopus_import":"1"},{"status":"public","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","alternative_title":["LIPIcs"],"date_published":"2009-02-01T00:00:00Z","language":[{"iso":"eng"}],"publication":"26th International Symposium on Theoretical Aspects of Computer Science","arxiv":1,"title":"A comparison of techniques for sampling web pages","article_processing_charge":"No","main_file_link":[{"open_access":"1","url":"https://doi.org/10.4230/LIPIcs.STACS.2009.1809"}],"doi":"10.4230/LIPICS.STACS.2009.1809","oa_version":"Published Version","extern":"1","publication_identifier":{"isbn":["978-3-939897-09-5"],"issn":["1868-8969"]},"scopus_import":"1","external_id":{"arxiv":["0902.1604"]},"day":"01","oa":1,"intvolume":"         3","date_created":"2022-08-18T06:57:25Z","month":"02","publication_status":"published","author":[{"full_name":"Baykan,  Eda","last_name":"Baykan","first_name":" Eda"},{"id":"540c9bbd-f2de-11ec-812d-d04a5be85630","orcid":"0000-0002-5008-6530","full_name":"Henzinger, Monika H","first_name":"Monika H","last_name":"Henzinger"},{"first_name":"Stefan F.","last_name":"Keller","full_name":"Keller, Stefan F."},{"full_name":"de Castelberg, Sebastian","last_name":"de Castelberg","first_name":"Sebastian"},{"first_name":"Markus","last_name":"Kinzler","full_name":"Kinzler, Markus"}],"type":"conference","_id":"11912","year":"2009","conference":{"location":"Freiburg, Germany","start_date":"2009-02-26","end_date":"2009-02-28","name":"STACS: Symposium on Theoretical Aspects of Computer Science"},"publisher":"Schloss Dagstuhl - Leibniz-Zentrum für Informatik","abstract":[{"lang":"eng","text":"As the World Wide Web is growing rapidly, it is getting increasingly challenging to gather representative information about it. Instead of crawling the web exhaustively one has to resort to other techniques like sampling to determine the properties of the web. A uniform random sample of the web would be useful to determine the percentage of web pages in a specific language, on a topic or in a top level domain. Unfortunately, no approach has been shown to sample the web pages in an unbiased way. Three promising web sampling algorithms are based on random walks. They each have been evaluated individually, but making a comparison on different data sets is not possible. We directly compare these algorithms in this paper. We performed three random walks on the web under the same conditions and analyzed their outcomes in detail. We discuss the strengths and the weaknesses of each algorithm and propose improvements based on experimental results."}],"date_updated":"2023-02-17T08:57:16Z","quality_controlled":"1","volume":3,"citation":{"ieee":"Eda Baykan, M. H. Henzinger, S. F. Keller, S. de Castelberg, and M. Kinzler, “A comparison of techniques for sampling web pages,” in <i>26th International Symposium on Theoretical Aspects of Computer Science</i>, Freiburg, Germany, 2009, vol. 3, pp. 13–30.","short":"Eda Baykan, M.H. Henzinger, S.F. Keller, S. de Castelberg, M. Kinzler, in:, 26th International Symposium on Theoretical Aspects of Computer Science, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2009, pp. 13–30.","chicago":"Baykan,  Eda, Monika H Henzinger, Stefan F. Keller, Sebastian de Castelberg, and Markus Kinzler. “A Comparison of Techniques for Sampling Web Pages.” In <i>26th International Symposium on Theoretical Aspects of Computer Science</i>, 3:13–30. Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2009. <a href=\"https://doi.org/10.4230/LIPICS.STACS.2009.1809\">https://doi.org/10.4230/LIPICS.STACS.2009.1809</a>.","ama":"Baykan  Eda, Henzinger MH, Keller SF, de Castelberg S, Kinzler M. A comparison of techniques for sampling web pages. In: <i>26th International Symposium on Theoretical Aspects of Computer Science</i>. Vol 3. Schloss Dagstuhl - Leibniz-Zentrum für Informatik; 2009:13-30. doi:<a href=\"https://doi.org/10.4230/LIPICS.STACS.2009.1809\">10.4230/LIPICS.STACS.2009.1809</a>","apa":"Baykan,  Eda, Henzinger, M. H., Keller, S. F., de Castelberg, S., &#38; Kinzler, M. (2009). A comparison of techniques for sampling web pages. In <i>26th International Symposium on Theoretical Aspects of Computer Science</i> (Vol. 3, pp. 13–30). Freiburg, Germany: Schloss Dagstuhl - Leibniz-Zentrum für Informatik. <a href=\"https://doi.org/10.4230/LIPICS.STACS.2009.1809\">https://doi.org/10.4230/LIPICS.STACS.2009.1809</a>","mla":"Baykan,  Eda, et al. “A Comparison of Techniques for Sampling Web Pages.” <i>26th International Symposium on Theoretical Aspects of Computer Science</i>, vol. 3, Schloss Dagstuhl - Leibniz-Zentrum für Informatik, 2009, pp. 13–30, doi:<a href=\"https://doi.org/10.4230/LIPICS.STACS.2009.1809\">10.4230/LIPICS.STACS.2009.1809</a>.","ista":"Baykan  Eda, Henzinger MH, Keller SF, de Castelberg S, Kinzler M. 2009. A comparison of techniques for sampling web pages. 26th International Symposium on Theoretical Aspects of Computer Science. STACS: Symposium on Theoretical Aspects of Computer Science, LIPIcs, vol. 3, 13–30."},"page":"13-30"},{"main_file_link":[{"url":"https://doi.org/10.3189/002214309788608804","open_access":"1"}],"article_processing_charge":"No","title":"Assessing the transferability and robustness of an enhanced temperature-index glacier-melt model","language":[{"iso":"eng"}],"publication":"Journal of Glaciology","article_type":"original","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","date_published":"2009-03-01T00:00:00Z","status":"public","day":"01","oa":1,"issue":"190","scopus_import":"1","publication_identifier":{"eissn":["1727-5652"],"issn":["0022-1430"]},"doi":"10.3189/002214309788608804","extern":"1","oa_version":"Published Version","_id":"12654","year":"2009","type":"journal_article","author":[{"full_name":"Carenzo, Marco","last_name":"Carenzo","first_name":"Marco"},{"id":"b28f055a-81ea-11ed-b70c-a9fe7f7b0e70","last_name":"Pellicciotti","first_name":"Francesca","full_name":"Pellicciotti, Francesca"},{"full_name":"Rimkus, Stefan","first_name":"Stefan","last_name":"Rimkus"},{"full_name":"Burlando, Paolo","last_name":"Burlando","first_name":"Paolo"}],"month":"03","publication_status":"published","date_created":"2023-02-20T08:18:34Z","intvolume":"        55","citation":{"chicago":"Carenzo, Marco, Francesca Pellicciotti, Stefan Rimkus, and Paolo Burlando. “Assessing the Transferability and Robustness of an Enhanced Temperature-Index Glacier-Melt Model.” <i>Journal of Glaciology</i>. Cambridge University Press, 2009. <a href=\"https://doi.org/10.3189/002214309788608804\">https://doi.org/10.3189/002214309788608804</a>.","ama":"Carenzo M, Pellicciotti F, Rimkus S, Burlando P. Assessing the transferability and robustness of an enhanced temperature-index glacier-melt model. <i>Journal of Glaciology</i>. 2009;55(190):258-274. doi:<a href=\"https://doi.org/10.3189/002214309788608804\">10.3189/002214309788608804</a>","ieee":"M. Carenzo, F. Pellicciotti, S. Rimkus, and P. Burlando, “Assessing the transferability and robustness of an enhanced temperature-index glacier-melt model,” <i>Journal of Glaciology</i>, vol. 55, no. 190. Cambridge University Press, pp. 258–274, 2009.","short":"M. Carenzo, F. Pellicciotti, S. Rimkus, P. Burlando, Journal of Glaciology 55 (2009) 258–274.","apa":"Carenzo, M., Pellicciotti, F., Rimkus, S., &#38; Burlando, P. (2009). Assessing the transferability and robustness of an enhanced temperature-index glacier-melt model. <i>Journal of Glaciology</i>. Cambridge University Press. <a href=\"https://doi.org/10.3189/002214309788608804\">https://doi.org/10.3189/002214309788608804</a>","mla":"Carenzo, Marco, et al. “Assessing the Transferability and Robustness of an Enhanced Temperature-Index Glacier-Melt Model.” <i>Journal of Glaciology</i>, vol. 55, no. 190, Cambridge University Press, 2009, pp. 258–74, doi:<a href=\"https://doi.org/10.3189/002214309788608804\">10.3189/002214309788608804</a>.","ista":"Carenzo M, Pellicciotti F, Rimkus S, Burlando P. 2009. Assessing the transferability and robustness of an enhanced temperature-index glacier-melt model. Journal of Glaciology. 55(190), 258–274."},"page":"258-274","volume":55,"quality_controlled":"1","abstract":[{"lang":"eng","text":"We investigate the transferability of an enhanced temperature-index melt model that was developed and tested on Haut Glacier d’Arolla, Switzerland, in the 2001 season. The model’s empirical parameters (temperature factor, TF, and shortwave radiation factor, SRF) are recalibrated for: (1) other locations on Haut Glacier d’Arolla; (2) subperiods of distinct meteorological conditions; (3) different years on Haut Glacier d’Arolla; and (4) other glaciers in different years. The model parameters are optimized against simulations of an energy-balance model validated against ablation observations. Results are compared with those obtained with the original parameters. The model works very well when applied to other sites, seasons and glaciers, with the exception of overcast conditions. Differences are due to underestimation of high melt rates. The parameter values are associated with the prevailing energy-balance conditions, showing that high SRF are obtained on clear-sky days, whereas higher TF are typical of locations where glacier winds prevail and turbulent fluxes are high. We also provide a range of parameters clearly associated with the site’s location and its meteorological characteristics that could help to assign parameter values to sites where few data are available."}],"date_updated":"2023-02-20T09:06:27Z","publisher":"Cambridge University Press"},{"publisher":"International Glaciological Society","page":"16-24","volume":50,"citation":{"mla":"Pellicciotti, Francesca, et al. “On the Role of Subsurface Heat Conduction in Glacier Energy-Balance Modelling.” <i>Annals of Glaciology</i>, vol. 50, no. 50, International Glaciological Society, 2009, pp. 16–24, doi:<a href=\"https://doi.org/10.3189/172756409787769555\">10.3189/172756409787769555</a>.","apa":"Pellicciotti, F., Carenzo, M., Helbing, J., Rimkus, S., &#38; Burlando, P. (2009). On the role of subsurface heat conduction in glacier energy-balance modelling. <i>Annals of Glaciology</i>. International Glaciological Society. <a href=\"https://doi.org/10.3189/172756409787769555\">https://doi.org/10.3189/172756409787769555</a>","ama":"Pellicciotti F, Carenzo M, Helbing J, Rimkus S, Burlando P. On the role of subsurface heat conduction in glacier energy-balance modelling. <i>Annals of Glaciology</i>. 2009;50(50):16-24. doi:<a href=\"https://doi.org/10.3189/172756409787769555\">10.3189/172756409787769555</a>","chicago":"Pellicciotti, Francesca, Marco Carenzo, Jakob Helbing, Stefan Rimkus, and Paolo Burlando. “On the Role of Subsurface Heat Conduction in Glacier Energy-Balance Modelling.” <i>Annals of Glaciology</i>. International Glaciological Society, 2009. <a href=\"https://doi.org/10.3189/172756409787769555\">https://doi.org/10.3189/172756409787769555</a>.","short":"F. Pellicciotti, M. Carenzo, J. Helbing, S. Rimkus, P. Burlando, Annals of Glaciology 50 (2009) 16–24.","ieee":"F. Pellicciotti, M. Carenzo, J. Helbing, S. Rimkus, and P. Burlando, “On the role of subsurface heat conduction in glacier energy-balance modelling,” <i>Annals of Glaciology</i>, vol. 50, no. 50. International Glaciological Society, pp. 16–24, 2009.","ista":"Pellicciotti F, Carenzo M, Helbing J, Rimkus S, Burlando P. 2009. On the role of subsurface heat conduction in glacier energy-balance modelling. Annals of Glaciology. 50(50), 16–24."},"quality_controlled":"1","date_updated":"2023-02-20T09:00:53Z","abstract":[{"text":"We discuss the inclusion of the subsurface heat-conduction flux into the calculation of the energy balance and ablation at the glacier–atmosphere interface. Data from automatic weather stations are used to force an energy-balance model at several locations on alpine glaciers and at one site in the dry Andes of central Chile. The heat-conduction flux is computed using a two-layer scheme, assuming that 36% of the net shortwave radiation is absorbed by the surface layer and that the rest penetrates into the snowpack. We compare simulations conducted with and without subsurface heat flux. Results show that assuming a surface temperature of zero degrees leads to a larger overestimation of melt at the sites in the accumulation area (10.4–13.3%) than in the ablation area (0.5–2.8%), due to lower air temperatures and the presence of snow. The difference between simulations with and without heat conduction is also high at the beginning and end of the ablation season (up to 29% for the first 15 days of the season), when air temperatures are lower and snow covers the glacier surface, while they are of little importance during periods of sustained melt at all the locations investigated.","lang":"eng"}],"author":[{"id":"b28f055a-81ea-11ed-b70c-a9fe7f7b0e70","first_name":"Francesca","last_name":"Pellicciotti","full_name":"Pellicciotti, Francesca"},{"full_name":"Carenzo, Marco","first_name":"Marco","last_name":"Carenzo"},{"last_name":"Helbing","first_name":"Jakob","full_name":"Helbing, Jakob"},{"last_name":"Rimkus","first_name":"Stefan","full_name":"Rimkus, Stefan"},{"first_name":"Paolo","last_name":"Burlando","full_name":"Burlando, Paolo"}],"publication_status":"published","month":"01","date_created":"2023-02-20T08:18:40Z","intvolume":"        50","year":"2009","_id":"12655","type":"journal_article","scopus_import":"1","issue":"50","publication_identifier":{"eissn":["1727-5644"],"issn":["0260-3055"]},"oa_version":"Published Version","extern":"1","doi":"10.3189/172756409787769555","oa":1,"day":"01","article_type":"original","date_published":"2009-01-01T00:00:00Z","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","status":"public","main_file_link":[{"url":"https://doi.org/10.3189/172756409787769555","open_access":"1"}],"article_processing_charge":"No","title":"On the role of subsurface heat conduction in glacier energy-balance modelling","publication":"Annals of Glaciology","language":[{"iso":"eng"}]},{"_id":"1302","year":"2009","type":"journal_article","title":"Synaptic organization of lobula plate tangential cells in Drosophila: Dα7 cholinergic receptors","publication":"Journal of Neurogenetics","author":[{"first_name":"Shamprasad","last_name":"Raghu","full_name":"Raghu, Shamprasad V"},{"id":"2BD278E6-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0002-3937-1330","last_name":"Jösch","first_name":"Maximilian A","full_name":"Maximilian Jösch"},{"first_name":"Stephan","last_name":"Sigrist","full_name":"Sigrist, Stephan J"},{"last_name":"Borst","first_name":"Alexander","full_name":"Borst, Alexander"},{"last_name":"Reiff","first_name":"Dierk","full_name":"Reiff, Dierk F"}],"month":"03","publication_status":"published","date_published":"2009-03-01T00:00:00Z","date_created":"2018-12-11T11:51:15Z","status":"public","intvolume":"        23","day":"01","citation":{"ista":"Raghu S, Jösch MA, Sigrist S, Borst A, Reiff D. 2009. Synaptic organization of lobula plate tangential cells in Drosophila: Dα7 cholinergic receptors. Journal of Neurogenetics. 23(1–2), 200–209.","chicago":"Raghu, Shamprasad, Maximilian A Jösch, Stephan Sigrist, Alexander Borst, and Dierk Reiff. “Synaptic Organization of Lobula Plate Tangential Cells in Drosophila: Dα7 Cholinergic Receptors.” <i>Journal of Neurogenetics</i>. Informa Healthcare, 2009. <a href=\"https://doi.org/10.1080/01677060802471684\">https://doi.org/10.1080/01677060802471684</a>.","ama":"Raghu S, Jösch MA, Sigrist S, Borst A, Reiff D. Synaptic organization of lobula plate tangential cells in Drosophila: Dα7 cholinergic receptors. <i>Journal of Neurogenetics</i>. 2009;23(1-2):200-209. doi:<a href=\"https://doi.org/10.1080/01677060802471684\">10.1080/01677060802471684</a>","short":"S. Raghu, M.A. Jösch, S. Sigrist, A. Borst, D. Reiff, Journal of Neurogenetics 23 (2009) 200–209.","ieee":"S. Raghu, M. A. Jösch, S. Sigrist, A. Borst, and D. Reiff, “Synaptic organization of lobula plate tangential cells in Drosophila: Dα7 cholinergic receptors,” <i>Journal of Neurogenetics</i>, vol. 23, no. 1–2. Informa Healthcare, pp. 200–209, 2009.","mla":"Raghu, Shamprasad, et al. “Synaptic Organization of Lobula Plate Tangential Cells in Drosophila: Dα7 Cholinergic Receptors.” <i>Journal of Neurogenetics</i>, vol. 23, no. 1–2, Informa Healthcare, 2009, pp. 200–09, doi:<a href=\"https://doi.org/10.1080/01677060802471684\">10.1080/01677060802471684</a>.","apa":"Raghu, S., Jösch, M. A., Sigrist, S., Borst, A., &#38; Reiff, D. (2009). Synaptic organization of lobula plate tangential cells in Drosophila: Dα7 cholinergic receptors. <i>Journal of Neurogenetics</i>. Informa Healthcare. <a href=\"https://doi.org/10.1080/01677060802471684\">https://doi.org/10.1080/01677060802471684</a>"},"volume":23,"page":"200 - 209","publist_id":"5972","quality_controlled":0,"abstract":[{"lang":"eng","text":"The nervous system of seeing animals derives information about optic flow in two subsequent steps. First, local motion vectors are calculated from moving retinal images, and second, the spatial distribution of these vectors is analyzed on the dendrites of large downstream neurons. In dipteran flies, this second step relies on a set of motion-sensitive lobula plate tangential cells (LPTCs), which have been studied in great detail in large fly species. Yet, studies on neurons that convey information to LPTCs and neuroanatomical investigations that enable a mechanistic understanding of the underlying dendritic computations in LPTCs are rare. We investigated the subcellular distribution of nicotinic acetylcholine receptors (nAChRs) on two sets of LPTCs: vertical system (VS) and horizontal system (HS) cells in Drosophila melanogaster. In this paper, we describe that both cell types express Dα7-type nAChR subunits specifically on higher order dendritic branches, similar to the expression of gamma aminobutyric acid (GABA) receptors. These findings support a model in which directional selectivity of LPTCs is achieved by the dendritic integration of excitatory, cholinergic, and inhibitory GABA-ergic input from local motion detectors with opposite preferred direction. Nonetheless, whole-cell recordings in mutant flies without Dα7 nAChRs revealed that direction selectivity of VS and HS cells is largely retained. In addition, mutant LPTCs were responsive to acetylcholine and remaining nAChR receptors were labeled by α-bungarotoxin. These results in LPTCs with genetically manipulated excitatory input synapses suggest a robust cellular implementation of dendritic processing that warrants direction selectivity. The underlying mechanism that ensures appropriate nAChR-mediated synaptic currents and the functional implications of separate sets or heteromultimeric nAChRs can now be addressed in this system."}],"date_updated":"2021-01-12T06:49:44Z","issue":"1-2","doi":"10.1080/01677060802471684","extern":1,"publisher":"Informa Healthcare"},{"intvolume":"       131","status":"public","date_created":"2018-12-11T11:45:53Z","date_published":"2009-01-01T00:00:00Z","publication_status":"published","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","month":"01","article_type":"original","author":[{"full_name":"Cabot, Andreu","first_name":"Andreu","last_name":"Cabot"},{"id":"43C61214-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-5013-2843","first_name":"Maria","last_name":"Ibáñez","full_name":"Ibáñez, Maria"},{"full_name":"Guardia, Pablo","first_name":"Pablo","last_name":"Guardia"},{"full_name":"Alivisatos, Paul","last_name":"Alivisatos","first_name":"Paul"}],"publication":"Journal of the American Chemical Society","language":[{"iso":"eng"}],"article_processing_charge":"No","title":"Reaction regimes on the synthesis of hollow particles by the Kirkendall effect","type":"journal_article","year":"2009","_id":"337","publisher":"ACS","extern":"1","oa_version":"None","doi":"10.1021/ja903751p","issue":"32","date_updated":"2021-01-12T07:43:00Z","abstract":[{"text":"The formation of hollow vs solid particles by means of the oxidation reaction of solid metal particles depends on the differential self-diffusivities of the reactants through the composite shell, the reaction probabilities at each interface, and the concentration and diffusivity of the element in solution. By means of a kinetic model of the oxidation process, we determine the phase diagrams for the geometry of the oxidized particles and propose four shell growth regimes. We experimentally illustrate the different growth scenarios by changing the conditions of oxidation of cadmium spherical crystals using different chalcogen precursors. ","lang":"eng"}],"quality_controlled":"1","publist_id":"7494","volume":131,"page":"11326 - 11328","citation":{"ista":"Cabot A, Ibáñez M, Guardia P, Alivisatos P. 2009. Reaction regimes on the synthesis of hollow particles by the Kirkendall effect. Journal of the American Chemical Society. 131(32), 11326–11328.","ieee":"A. Cabot, M. Ibáñez, P. Guardia, and P. Alivisatos, “Reaction regimes on the synthesis of hollow particles by the Kirkendall effect,” <i>Journal of the American Chemical Society</i>, vol. 131, no. 32. ACS, pp. 11326–11328, 2009.","short":"A. Cabot, M. Ibáñez, P. Guardia, P. Alivisatos, Journal of the American Chemical Society 131 (2009) 11326–11328.","ama":"Cabot A, Ibáñez M, Guardia P, Alivisatos P. Reaction regimes on the synthesis of hollow particles by the Kirkendall effect. <i>Journal of the American Chemical Society</i>. 2009;131(32):11326-11328. doi:<a href=\"https://doi.org/10.1021/ja903751p\">10.1021/ja903751p</a>","chicago":"Cabot, Andreu, Maria Ibáñez, Pablo Guardia, and Paul Alivisatos. “Reaction Regimes on the Synthesis of Hollow Particles by the Kirkendall Effect.” <i>Journal of the American Chemical Society</i>. ACS, 2009. <a href=\"https://doi.org/10.1021/ja903751p\">https://doi.org/10.1021/ja903751p</a>.","apa":"Cabot, A., Ibáñez, M., Guardia, P., &#38; Alivisatos, P. (2009). Reaction regimes on the synthesis of hollow particles by the Kirkendall effect. <i>Journal of the American Chemical Society</i>. ACS. <a href=\"https://doi.org/10.1021/ja903751p\">https://doi.org/10.1021/ja903751p</a>","mla":"Cabot, Andreu, et al. “Reaction Regimes on the Synthesis of Hollow Particles by the Kirkendall Effect.” <i>Journal of the American Chemical Society</i>, vol. 131, no. 32, ACS, 2009, pp. 11326–28, doi:<a href=\"https://doi.org/10.1021/ja903751p\">10.1021/ja903751p</a>."},"day":"01"},{"date_created":"2018-12-11T12:03:07Z","status":"public","intvolume":"       139","author":[{"orcid":"0000-0003-4398-476X","id":"3E6DB97A-F248-11E8-B48F-1D18A9856A87","last_name":"Bollenbach","first_name":"Tobias","full_name":"Bollenbach, Tobias"},{"first_name":"Roy","last_name":"Kishony","full_name":"Kishony, Roy"}],"user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","month":"10","publication_status":"published","date_published":"2009-10-30T00:00:00Z","title":"Quiet gene circuit more fragile than its noisy peer","article_processing_charge":"No","language":[{"iso":"eng"}],"publication":"Cell","year":"2009","_id":"3398","type":"journal_article","doi":"10.1016/j.cell.2009.10.005","extern":"1","publisher":"Cell Press","oa_version":"None","issue":"3","publist_id":"3061","abstract":[{"lang":"eng","text":"Why is a particular architecture for a pathway chosen over seemingly equivalent alternatives? Çağatay et al. (2009) use a synthetic biology approach to show that fluctuations—or noise—in protein levels may play a key role in determining which network design is selected during evolution."}],"date_updated":"2021-01-12T07:43:12Z","day":"30","page":"460 - 461","citation":{"apa":"Bollenbach, M. T., &#38; Kishony, R. (2009). Quiet gene circuit more fragile than its noisy peer. <i>Cell</i>. Cell Press. <a href=\"https://doi.org/10.1016/j.cell.2009.10.005\">https://doi.org/10.1016/j.cell.2009.10.005</a>","mla":"Bollenbach, Mark Tobias, and Roy Kishony. “Quiet Gene Circuit More Fragile than Its Noisy Peer.” <i>Cell</i>, vol. 139, no. 3, Cell Press, 2009, pp. 460–61, doi:<a href=\"https://doi.org/10.1016/j.cell.2009.10.005\">10.1016/j.cell.2009.10.005</a>.","ama":"Bollenbach MT, Kishony R. Quiet gene circuit more fragile than its noisy peer. <i>Cell</i>. 2009;139(3):460-461. doi:<a href=\"https://doi.org/10.1016/j.cell.2009.10.005\">10.1016/j.cell.2009.10.005</a>","chicago":"Bollenbach, Mark Tobias, and Roy Kishony. “Quiet Gene Circuit More Fragile than Its Noisy Peer.” <i>Cell</i>. Cell Press, 2009. <a href=\"https://doi.org/10.1016/j.cell.2009.10.005\">https://doi.org/10.1016/j.cell.2009.10.005</a>.","short":"M.T. Bollenbach, R. Kishony, Cell 139 (2009) 460–461.","ieee":"M. T. Bollenbach and R. Kishony, “Quiet gene circuit more fragile than its noisy peer,” <i>Cell</i>, vol. 139, no. 3. Cell Press, pp. 460–461, 2009.","ista":"Bollenbach MT, Kishony R. 2009. Quiet gene circuit more fragile than its noisy peer. Cell. 139(3), 460–461."},"volume":139},{"date_created":"2018-12-11T12:03:07Z","status":"public","author":[{"full_name":"Philipp Schmalhorst","last_name":"Schmalhorst","first_name":"Philipp S","orcid":"0000-0002-5795-0133","id":"309D50DA-F248-11E8-B48F-1D18A9856A87"}],"month":"08","date_published":"2009-08-13T00:00:00Z","publication_status":"published","title":"Biosynthesis of Galactofuranose Containing Glycans and Their Relevance for the Pathogenic Fungus Aspergillus fumigatus","_id":"3400","year":"2009","main_file_link":[{"open_access":"0","url":"http://edok01.tib.uni-hannover.de/edoks/e01dh09/609861891.pdf"}],"type":"dissertation","publisher":"Gottfried Wilhelm Leibniz Universität Hannover","extern":1,"quality_controlled":0,"publist_id":"3058","abstract":[{"lang":"eng","text":"Invasive fungal infections pose a serious threat to immunocompromised people. Most of these infections are caused by either Candida or Aspergillus species, with A. fumigatus being the predominant causative agent of Invasive Aspergillosis. Affected people comprise mainly haematopoietic stem cell or solid organ transplant patients who receive either high-dose corticosteroids or immunosuppressants. These risk factors predispose to the development of Invasive\nAspergillosis which is lethal in 20 to 80 % of the cases, largely due to insufficient efficacy of current antifungal therapy. Thus one major aim in current mycological research is the identification of new drug targets.\nThe polysaccharide-based fungal cell wall is both essential to fungi and absent from human cells which makes it appear an attractive new target. Notably, many components of the A. fumigatus cell wall, including the polysaccharide galactomannan, glycoproteins, and glycolipids, contain the unusual sugar galactofuranose (Galf). In contrast to the other cell wall monosaccharides, Galf does not occur on human cells but is known as component of cell surface molecules of many pathogenic bacteria and protozoa, such as Mycobacterium tuberculosis or Leishmania major. These molecules are often essential for virulence or viability of these organisms which suggested a possible role of Galf in the pathogenicity of A. fumigatus.\nTo address the importance of Galf in A. fumigatus, the key biosynthesis gene glfA, encoding UDPgalactopyranose mutase (UGM), was deleted. In different experimental approaches it was demonstrated that the absence of the glfA gene led to a complete loss of Galf-containing glycans.\nAnalysis of the DeltaglfA phenotype revealed growth and sporulation defects, reduced thermotolerance and an increased susceptibility to antifungal drugs. Electron Microscopy indicated a cell wall defect as a likely cause for the observed impairments. Furthermore, the virulence of the DeltaglfA mutant was found to be severely attenuated in a murine model of Invasive Aspergillosis.\nThe second focus of this study was laid on further elucidation of the galactofuranosylation pathway in A. fumigatus. In eukaryotes, a UDP-Galf transporter is likely required to transport UDP-Galf from the\ncytosol into the organelles of the secretory pathway, but no such activity had been described. Sixteen candidate genes were identified in the A. fumigatus genome of which one, glfB, was found in close proximity to the glfA gene. In vitro transport assays revealed specificity of GlfB for UDP-Galf suggesting that glfB encoded indeed a UDP-Galf transporter. The influence of glfB on\ngalactofuranosylation was determined by a DeltaglfB deletion mutant, which closely recapitulated the DeltaglfA phenotype and was likewise found to be completely devoid of Galf. It could be concluded that all galactofuranosylation processes in A. fumigatus occur in the secretory pathway, including the biosynthesis of the cell wall polysaccharide galactomannan whose subcellular origin was previously disputed.\n\nThus in the course of this study the first UDP-Galf specific nucleotide sugar transporter was identified and its requirement for galactofuranosylation in A. fumigatus demonstrated. Moreover, it was shown that blocking the galactofuranosylation pathway impaired virulence of A. fumigatus which suggests the UDP-Galf biosynthesis enzyme UGM as a target for new antifungal drugs."}],"date_updated":"2021-01-12T07:43:13Z","day":"13","citation":{"apa":"Schmalhorst, P. S. (2009). <i>Biosynthesis of Galactofuranose Containing Glycans and Their Relevance for the Pathogenic Fungus Aspergillus fumigatus</i>. Gottfried Wilhelm Leibniz Universität Hannover.","mla":"Schmalhorst, Philipp S. <i>Biosynthesis of Galactofuranose Containing Glycans and Their Relevance for the Pathogenic Fungus Aspergillus Fumigatus</i>. Gottfried Wilhelm Leibniz Universität Hannover, 2009, pp. 1–72.","chicago":"Schmalhorst, Philipp S. “Biosynthesis of Galactofuranose Containing Glycans and Their Relevance for the Pathogenic Fungus Aspergillus Fumigatus.” Gottfried Wilhelm Leibniz Universität Hannover, 2009.","ama":"Schmalhorst PS. Biosynthesis of Galactofuranose Containing Glycans and Their Relevance for the Pathogenic Fungus Aspergillus fumigatus. 2009:1-72.","short":"P.S. Schmalhorst, Biosynthesis of Galactofuranose Containing Glycans and Their Relevance for the Pathogenic Fungus Aspergillus Fumigatus, Gottfried Wilhelm Leibniz Universität Hannover, 2009.","ieee":"P. S. Schmalhorst, “Biosynthesis of Galactofuranose Containing Glycans and Their Relevance for the Pathogenic Fungus Aspergillus fumigatus,” Gottfried Wilhelm Leibniz Universität Hannover, 2009.","ista":"Schmalhorst PS. 2009. Biosynthesis of Galactofuranose Containing Glycans and Their Relevance for the Pathogenic Fungus Aspergillus fumigatus. Gottfried Wilhelm Leibniz Universität Hannover."},"page":"1 - 72"},{"author":[{"first_name":"Piotr","last_name":"Szymczak","full_name":"Szymczak, Piotr"},{"orcid":"0000-0002-8023-9315","id":"33BA6C30-F248-11E8-B48F-1D18A9856A87","first_name":"Harald L","last_name":"Janovjak","full_name":"Harald Janovjak"}],"month":"07","date_published":"2009-07-17T00:00:00Z","publication_status":"published","date_created":"2018-12-11T12:03:10Z","intvolume":"       390","status":"public","_id":"3408","year":"2009","type":"journal_article","title":"Periodic forces trigger a complex mechanical response in ubiquitin","publication":"Journal of Molecular Biology","issue":"3","doi":"10.1016/j.jmb.2009.04.071","publisher":"Elsevier","extern":1,"day":"17","volume":390,"page":"443 - 456","citation":{"ama":"Szymczak P, Janovjak HL. Periodic forces trigger a complex mechanical response in ubiquitin. <i>Journal of Molecular Biology</i>. 2009;390(3):443-456. doi:<a href=\"https://doi.org/10.1016/j.jmb.2009.04.071\">10.1016/j.jmb.2009.04.071</a>","chicago":"Szymczak, Piotr, and Harald L Janovjak. “Periodic Forces Trigger a Complex Mechanical Response in Ubiquitin.” <i>Journal of Molecular Biology</i>. Elsevier, 2009. <a href=\"https://doi.org/10.1016/j.jmb.2009.04.071\">https://doi.org/10.1016/j.jmb.2009.04.071</a>.","ieee":"P. Szymczak and H. L. Janovjak, “Periodic forces trigger a complex mechanical response in ubiquitin,” <i>Journal of Molecular Biology</i>, vol. 390, no. 3. Elsevier, pp. 443–456, 2009.","short":"P. Szymczak, H.L. Janovjak, Journal of Molecular Biology 390 (2009) 443–456.","mla":"Szymczak, Piotr, and Harald L. Janovjak. “Periodic Forces Trigger a Complex Mechanical Response in Ubiquitin.” <i>Journal of Molecular Biology</i>, vol. 390, no. 3, Elsevier, 2009, pp. 443–56, doi:<a href=\"https://doi.org/10.1016/j.jmb.2009.04.071\">10.1016/j.jmb.2009.04.071</a>.","apa":"Szymczak, P., &#38; Janovjak, H. L. (2009). Periodic forces trigger a complex mechanical response in ubiquitin. <i>Journal of Molecular Biology</i>. Elsevier. <a href=\"https://doi.org/10.1016/j.jmb.2009.04.071\">https://doi.org/10.1016/j.jmb.2009.04.071</a>","ista":"Szymczak P, Janovjak HL. 2009. Periodic forces trigger a complex mechanical response in ubiquitin. Journal of Molecular Biology. 390(3), 443–456."},"publist_id":"2994","quality_controlled":0,"abstract":[{"lang":"eng","text":"Mechanical forces govern physiological processes in all living organisms. Many cellular forces, for example, those generated in cyclic conformational changes of biological machines, have repetitive components. In apparent contrast, little is known about how dynamic protein structures respond to periodic mechanical information. Ubiquitin is a small protein found in all eukaryotes. We developed molecular dynamics simulations to unfold single and multimeric ubiquitins with periodic forces. By using a coarse-grained representation, we were able to model forces with periods about 2 orders of magnitude longer than the protein's relaxation time. We found that even a moderate periodic force weakened the protein and shifted its unfolding pathways in a frequency- and amplitude-dependent manner. A complex dynamic response with secondary structure refolding and an increasing importance of local interactions was revealed. Importantly, repetitive forces with broadly distributed frequencies elicited very similar molecular responses compared to fixed-frequency forces. When testing the influence of pulling geometry on ubiquitin's mechanical stability, it was found that the linkage involved in the mechanical degradation of cellular proteins renders the protein remarkably insensitive to periodic forces. We also devised a complementary kinetic energy landscape model that traces these observations and explains periodic-force, single-molecule measurements. In turn, this analytical model is capable of predicting dynamic protein responses. These results provide new insights into ubiquitin mechanics and a potential mechanical role during protein degradation, as well as first frameworks for dynamic protein stability and the modeling of repetitive mechanical processes."}],"date_updated":"2021-01-12T07:43:16Z"},{"month":"12","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","date_published":"2009-12-11T00:00:00Z","publication_status":"published","author":[{"orcid":"0000-0003-4398-476X","id":"3E6DB97A-F248-11E8-B48F-1D18A9856A87","full_name":"Bollenbach, Mark Tobias","first_name":"Mark Tobias","last_name":"Bollenbach"},{"full_name":"Kishony, Roy","last_name":"Kishony","first_name":"Roy"}],"status":"public","intvolume":"        36","date_created":"2018-12-11T12:03:17Z","type":"journal_article","_id":"3428","year":"2009","language":[{"iso":"eng"}],"publication":"Molecular Cell","title":"Hydroxyurea triggers cellular responses that actively cause bacterial cell death","article_processing_charge":"No","issue":"5","doi":"10.1016/j.molcel.2009.11.027","extern":"1","oa_version":"None","publisher":"Cell Press","day":"11","citation":{"ista":"Bollenbach MT, Kishony R. 2009. Hydroxyurea triggers cellular responses that actively cause bacterial cell death. Molecular Cell. 36(5), 728–729.","mla":"Bollenbach, Mark Tobias, and Roy Kishony. “Hydroxyurea Triggers Cellular Responses That Actively Cause Bacterial Cell Death.” <i>Molecular Cell</i>, vol. 36, no. 5, Cell Press, 2009, pp. 728–29, doi:<a href=\"https://doi.org/10.1016/j.molcel.2009.11.027\">10.1016/j.molcel.2009.11.027</a>.","apa":"Bollenbach, M. T., &#38; Kishony, R. (2009). Hydroxyurea triggers cellular responses that actively cause bacterial cell death. <i>Molecular Cell</i>. Cell Press. <a href=\"https://doi.org/10.1016/j.molcel.2009.11.027\">https://doi.org/10.1016/j.molcel.2009.11.027</a>","ieee":"M. T. Bollenbach and R. Kishony, “Hydroxyurea triggers cellular responses that actively cause bacterial cell death,” <i>Molecular Cell</i>, vol. 36, no. 5. Cell Press, pp. 728–729, 2009.","short":"M.T. Bollenbach, R. Kishony, Molecular Cell 36 (2009) 728–729.","chicago":"Bollenbach, Mark Tobias, and Roy Kishony. “Hydroxyurea Triggers Cellular Responses That Actively Cause Bacterial Cell Death.” <i>Molecular Cell</i>. Cell Press, 2009. <a href=\"https://doi.org/10.1016/j.molcel.2009.11.027\">https://doi.org/10.1016/j.molcel.2009.11.027</a>.","ama":"Bollenbach MT, Kishony R. Hydroxyurea triggers cellular responses that actively cause bacterial cell death. <i>Molecular Cell</i>. 2009;36(5):728-729. doi:<a href=\"https://doi.org/10.1016/j.molcel.2009.11.027\">10.1016/j.molcel.2009.11.027</a>"},"volume":36,"page":"728 - 729","abstract":[{"text":"In this issue of Molecular Cell, Davies et al. (2009) work out a sequence of active cellular events that lead to the death of Escherichia coli in the presence of the drug hydroxyurea.","lang":"eng"}],"date_updated":"2021-01-12T07:43:24Z","publist_id":"2972"},{"year":"2009","_id":"3503","main_file_link":[{"open_access":"1","url":"http://arxiv.org/abs/0809.1465"}],"type":"conference","title":"Probabilistic systems with limsup and liminf objectives","author":[{"orcid":"0000-0002-4561-241X","id":"2E5DCA20-F248-11E8-B48F-1D18A9856A87","full_name":"Krishnendu Chatterjee","first_name":"Krishnendu","last_name":"Chatterjee"},{"full_name":"Thomas Henzinger","last_name":"Henzinger","first_name":"Thomas A","orcid":"0000−0002−2985−7724","id":"40876CD8-F248-11E8-B48F-1D18A9856A87"}],"alternative_title":["LNCS"],"month":"12","date_published":"2009-12-15T00:00:00Z","publication_status":"published","date_created":"2018-12-11T12:03:40Z","status":"public","intvolume":"      5489","day":"15","page":"32 - 45","citation":{"mla":"Chatterjee, Krishnendu, and Thomas A. Henzinger. <i>Probabilistic Systems with Limsup and Liminf Objectives</i>. Vol. 5489, Springer, 2009, pp. 32–45, doi:<a href=\"https://doi.org/10.1007/978-3-642-03092-5_4\">10.1007/978-3-642-03092-5_4</a>.","apa":"Chatterjee, K., &#38; Henzinger, T. A. (2009). Probabilistic systems with limsup and liminf objectives (Vol. 5489, pp. 32–45). Presented at the ILC: Infinity in Logic and Computation, Springer. <a href=\"https://doi.org/10.1007/978-3-642-03092-5_4\">https://doi.org/10.1007/978-3-642-03092-5_4</a>","ieee":"K. Chatterjee and T. A. Henzinger, “Probabilistic systems with limsup and liminf objectives,” presented at the ILC: Infinity in Logic and Computation, 2009, vol. 5489, pp. 32–45.","short":"K. Chatterjee, T.A. Henzinger, in:, Springer, 2009, pp. 32–45.","chicago":"Chatterjee, Krishnendu, and Thomas A Henzinger. “Probabilistic Systems with Limsup and Liminf Objectives,” 5489:32–45. Springer, 2009. <a href=\"https://doi.org/10.1007/978-3-642-03092-5_4\">https://doi.org/10.1007/978-3-642-03092-5_4</a>.","ama":"Chatterjee K, Henzinger TA. Probabilistic systems with limsup and liminf objectives. In: Vol 5489. Springer; 2009:32-45. doi:<a href=\"https://doi.org/10.1007/978-3-642-03092-5_4\">10.1007/978-3-642-03092-5_4</a>","ista":"Chatterjee K, Henzinger TA. 2009. Probabilistic systems with limsup and liminf objectives. ILC: Infinity in Logic and Computation, LNCS, vol. 5489, 32–45."},"volume":5489,"oa":1,"quality_controlled":0,"publist_id":"2884","abstract":[{"lang":"eng","text":"We give polynomial-time algorithms for computing the values of Markov decision processes (MDPs) with limsup and liminf objectives. A real-valued reward is assigned to each state, and the value of an infinite path in the MDP is the limsup (resp. liminf) of all rewards along the path. The value of an MDP is the maximal expected value of an infinite path that can be achieved by resolving the decisions of the MDP. Using our result on MDPs, we show that turn-based stochastic games with limsup and liminf objectives can be solved in NP ∩ coNP. "}],"date_updated":"2021-01-12T07:43:54Z","doi":"10.1007/978-3-642-03092-5_4","extern":1,"publisher":"Springer","conference":{"name":"ILC: Infinity in Logic and Computation"}},{"title":"Activity-dependent control of neuronal output by local and global dendritic spike attenuation","publication":"Neuron","_id":"3547","year":"2009","type":"journal_article","date_created":"2018-12-11T12:03:54Z","status":"public","intvolume":"        61","author":[{"full_name":"Remy,Stefan","last_name":"Remy","first_name":"Stefan"},{"orcid":"0000-0002-5193-4036","id":"3FA14672-F248-11E8-B48F-1D18A9856A87","full_name":"Jozsef Csicsvari","last_name":"Csicsvari","first_name":"Jozsef L"},{"last_name":"Beck","first_name":"Heinz","full_name":"Beck,Heinz"}],"publication_status":"published","date_published":"2009-03-26T00:00:00Z","month":"03","quality_controlled":0,"publist_id":"2838","date_updated":"2021-01-12T07:44:13Z","abstract":[{"lang":"eng","text":"Neurons possess elaborate dendritic arbors which receive and integrate excitatory synaptic signals. Individual dendritic subbranches exhibit local membrane potential supralinearities, termed dendritic spikes, which control transfer of local synaptic input to the soma. Here, we show that dendritic spikes in CA1 pyramidal cells are strongly regulated by specific types of prior input. While input in the linear range is without effect, supralinear input inhibits subsequent spikes, causing them to attenuate and ultimately fail due to dendritic Na+ channel inactivation. This mechanism acts locally within the boundaries of the input branch. If an input is sufficiently strong to trigger axonal action potentials, their back-propagation into the dendritic tree causes a widespread global reduction in dendritic excitability which is prominent after firing patterns occurring in vivo. Together, these mechanisms control the capability of individual dendritic branches to trigger somatic action potential output. They are invoked at frequencies encountered during learning, and impose limits on the storage and retrieval rates of information encoded as branch excitability."}],"volume":61,"page":"906 - 916","citation":{"apa":"Remy, S., Csicsvari, J. L., &#38; Beck, H. (2009). Activity-dependent control of neuronal output by local and global dendritic spike attenuation. <i>Neuron</i>. Elsevier. <a href=\"https://doi.org/10.1016/j.neuron.2009.01.032\">https://doi.org/10.1016/j.neuron.2009.01.032</a>","mla":"Remy, Stefan, et al. “Activity-Dependent Control of Neuronal Output by Local and Global Dendritic Spike Attenuation.” <i>Neuron</i>, vol. 61, no. 6, Elsevier, 2009, pp. 906–16, doi:<a href=\"https://doi.org/10.1016/j.neuron.2009.01.032\">10.1016/j.neuron.2009.01.032</a>.","ama":"Remy S, Csicsvari JL, Beck H. Activity-dependent control of neuronal output by local and global dendritic spike attenuation. <i>Neuron</i>. 2009;61(6):906-916. doi:<a href=\"https://doi.org/10.1016/j.neuron.2009.01.032\">10.1016/j.neuron.2009.01.032</a>","chicago":"Remy, Stefan, Jozsef L Csicsvari, and Heinz Beck. “Activity-Dependent Control of Neuronal Output by Local and Global Dendritic Spike Attenuation.” <i>Neuron</i>. Elsevier, 2009. <a href=\"https://doi.org/10.1016/j.neuron.2009.01.032\">https://doi.org/10.1016/j.neuron.2009.01.032</a>.","ieee":"S. Remy, J. L. Csicsvari, and H. Beck, “Activity-dependent control of neuronal output by local and global dendritic spike attenuation,” <i>Neuron</i>, vol. 61, no. 6. Elsevier, pp. 906–916, 2009.","short":"S. Remy, J.L. Csicsvari, H. Beck, Neuron 61 (2009) 906–916.","ista":"Remy S, Csicsvari JL, Beck H. 2009. Activity-dependent control of neuronal output by local and global dendritic spike attenuation. Neuron. 61(6), 906–916."},"day":"26","publisher":"Elsevier","extern":1,"doi":"10.1016/j.neuron.2009.01.032","issue":"6"},{"main_file_link":[{"open_access":"0","url":"http://citeseerx.ist.psu.edu/viewdoc/summary?doi=10.1.1.103.9122"}],"type":"book_chapter","_id":"3578","year":"2009","publication":"Mathematical Foundations of Scientific Visualization, Computer Graphics, and Massive Data Exploration","title":"Stability and computation of medial axes: a state-of-the-art report","alternative_title":["Mathematics and Visualization"],"month":"06","date_published":"2009-06-22T00:00:00Z","publication_status":"published","author":[{"full_name":"Attali, Dominique","last_name":"Attali","first_name":"Dominique"},{"full_name":"Boissonnat, Jean-Daniel","first_name":"Jean","last_name":"Boissonnat"},{"orcid":"0000-0002-9823-6833","id":"3FB178DA-F248-11E8-B48F-1D18A9856A87","first_name":"Herbert","last_name":"Edelsbrunner","full_name":"Herbert Edelsbrunner"}],"status":"public","date_created":"2018-12-11T12:04:03Z","day":"22","citation":{"ista":"Attali D, Boissonnat J, Edelsbrunner H. 2009.Stability and computation of medial axes: a state-of-the-art report. In: Mathematical Foundations of Scientific Visualization, Computer Graphics, and Massive Data Exploration. Mathematics and Visualization, , 109–125.","short":"D. Attali, J. Boissonnat, H. Edelsbrunner, in:, Mathematical Foundations of Scientific Visualization, Computer Graphics, and Massive Data Exploration, Springer, 2009, pp. 109–125.","ama":"Attali D, Boissonnat J, Edelsbrunner H. Stability and computation of medial axes: a state-of-the-art report. In: <i>Mathematical Foundations of Scientific Visualization, Computer Graphics, and Massive Data Exploration</i>. Springer; 2009:109-125. doi:<a href=\"https://doi.org/10.1007/b106657_6\">10.1007/b106657_6</a>","chicago":"Attali, Dominique, Jean Boissonnat, and Herbert Edelsbrunner. “Stability and Computation of Medial Axes: A State-of-the-Art Report.” In <i>Mathematical Foundations of Scientific Visualization, Computer Graphics, and Massive Data Exploration</i>, 109–25. Springer, 2009. <a href=\"https://doi.org/10.1007/b106657_6\">https://doi.org/10.1007/b106657_6</a>.","ieee":"D. Attali, J. Boissonnat, and H. Edelsbrunner, “Stability and computation of medial axes: a state-of-the-art report,” in <i>Mathematical Foundations of Scientific Visualization, Computer Graphics, and Massive Data Exploration</i>, Springer, 2009, pp. 109–125.","mla":"Attali, Dominique, et al. “Stability and Computation of Medial Axes: A State-of-the-Art Report.” <i>Mathematical Foundations of Scientific Visualization, Computer Graphics, and Massive Data Exploration</i>, Springer, 2009, pp. 109–25, doi:<a href=\"https://doi.org/10.1007/b106657_6\">10.1007/b106657_6</a>.","apa":"Attali, D., Boissonnat, J., &#38; Edelsbrunner, H. (2009). Stability and computation of medial axes: a state-of-the-art report. In <i>Mathematical Foundations of Scientific Visualization, Computer Graphics, and Massive Data Exploration</i> (pp. 109–125). Springer. <a href=\"https://doi.org/10.1007/b106657_6\">https://doi.org/10.1007/b106657_6</a>"},"page":"109 - 125","abstract":[{"lang":"eng","text":"The medial axis of a geometric shape captures its connectivity. In spite of its inherent instability, it has found applications in a number of areas that deal with shapes. In this survey paper, we focus on results that shed light on this instability and use the new insights to generate simplified and stable modifications of the medial axis."}],"date_updated":"2021-01-12T07:44:25Z","quality_controlled":0,"publist_id":"2807","doi":"10.1007/b106657_6","extern":1,"publisher":"Springer"},{"publist_id":"2708","quality_controlled":"1","abstract":[{"text":"Sex and recombination have long been seen as adaptations that facilitate natural selection by generating favorable variations. If recombination is to aid selection, there must be negative linkage disequilibria—favorable alleles must be found together less often than expected by chance. These negative linkage disequilibria can be generated directly by selection, but this must involve negative epistasis of just the right strength, which is not expected, from either experiment or theory. Random drift provides a more general source of negative associations: Favorable mutations almost always arise on different genomes, and negative associations tend to persist, precisely because they shield variation from selection.\r\n\r\nWe can understand how recombination aids adaptation by determining the maximum possible rate of adaptation. With unlinked loci, this rate increases only logarithmically with the influx of favorable mutations. With a linear genome, a scaling argument shows that in a large population, the rate of adaptive substitution depends only on the expected rate in the absence of interference, divided by the total rate of recombination. A two-locus approximation predicts an upper bound on the rate of substitution, proportional to recombination rate.\r\n\r\nIf associations between linked loci do impede adaptation, there can be substantial selection for modifiers that increase recombination. Whether this can account for the maintenance of high rates of sex and recombination depends on the extent of selection. It is clear that the rate of species-wide substitutions is typically far too low to generate appreciable selection for recombination. However, local sweeps within a subdivided population may be effective.","lang":"eng"}],"date_updated":"2021-01-12T07:45:04Z","day":"10","page":"187 - 195","volume":74,"citation":{"mla":"Barton, Nicholas H. “Why Sex and Recombination? .” <i>Cold Spring Harbor Symposia on Quantitative Biology</i>, vol. 74, Cold Spring Harbor Laboratory Press, 2009, pp. 187–95, doi:<a href=\"https://doi.org/10.1101/sqb.2009.74.030\">10.1101/sqb.2009.74.030</a>.","apa":"Barton, N. H. (2009). Why sex and recombination? . In <i>Cold Spring Harbor Symposia on Quantitative Biology</i> (Vol. 74, pp. 187–195). Cold Spring Harbor Laboratory Press. <a href=\"https://doi.org/10.1101/sqb.2009.74.030\">https://doi.org/10.1101/sqb.2009.74.030</a>","short":"N.H. Barton, in:, Cold Spring Harbor Symposia on Quantitative Biology, Cold Spring Harbor Laboratory Press, 2009, pp. 187–195.","ieee":"N. H. Barton, “Why sex and recombination? ,” in <i>Cold Spring Harbor Symposia on Quantitative Biology</i>, vol. 74, Cold Spring Harbor Laboratory Press, 2009, pp. 187–195.","ama":"Barton NH. Why sex and recombination? . In: <i>Cold Spring Harbor Symposia on Quantitative Biology</i>. Vol 74. Cold Spring Harbor Laboratory Press; 2009:187-195. doi:<a href=\"https://doi.org/10.1101/sqb.2009.74.030\">10.1101/sqb.2009.74.030</a>","chicago":"Barton, Nicholas H. “Why Sex and Recombination? .” In <i>Cold Spring Harbor Symposia on Quantitative Biology</i>, 74:187–95. Cold Spring Harbor Laboratory Press, 2009. <a href=\"https://doi.org/10.1101/sqb.2009.74.030\">https://doi.org/10.1101/sqb.2009.74.030</a>.","ista":"Barton NH. 2009.Why sex and recombination? . In: Cold Spring Harbor Symposia on Quantitative Biology. vol. 74, 187–195."},"doi":"10.1101/sqb.2009.74.030","oa_version":"None","publisher":"Cold Spring Harbor Laboratory Press","department":[{"_id":"NiBa"}],"scopus_import":1,"title":"Why sex and recombination? ","language":[{"iso":"eng"}],"publication":"Cold Spring Harbor Symposia on Quantitative Biology","year":"2009","_id":"3675","type":"book_chapter","date_created":"2018-12-11T12:04:33Z","status":"public","intvolume":"        74","author":[{"orcid":"0000-0002-8548-5240","id":"4880FE40-F248-11E8-B48F-1D18A9856A87","full_name":"Barton, Nicholas H","first_name":"Nicholas H","last_name":"Barton"}],"month":"11","user_id":"2DF688A6-F248-11E8-B48F-1D18A9856A87","publication_status":"published","date_published":"2009-11-10T00:00:00Z","acknowledgement":"Royal Society and the Engineering and Physical Sciences for support (GR/ T11753/01)"},{"conference":{"name":"CVPR: Computer Vision and Pattern Recognition"},"publisher":"IEEE","extern":1,"doi":"10.1109/CVPRW.2009.5204237","issue":"174","date_updated":"2021-01-12T07:48:59Z","abstract":[{"lang":"eng","text":"An important cue to high level scene understanding is to analyze the objects in the scene and their behavior and interactions. In this paper, we study the problem of classification of activities in videos, as this is an integral component of any scene understanding system, and present a novel approach for recognizing human action categories in videos by combining information from appearance and motion of human body parts. Our approach is based on tracking human body parts by using mixture particle filters and then clustering the particles using local non - parametric clustering, hence associating a local set of particles to each cluster mode. The trajectory of these cluster modes provides the &quot;motion&quot; information and the &quot;appearance&quot; information is provided by the statistical information about the relative motion of these local set of particles over a number of frames. Later we use a &quot;Bag of Words&quot; model to build one histogram per video sequence from the set of these robust appearance and motion descriptors. These histograms provide us characteristic information which helps us to discriminate among various human actions which ultimately helps us in better understanding of the complete scene. We tested our approach on the standard KTH and Weizmann human action dataseis and the results were comparable to the state of the art methods. Additionally our approach is able to distinguish between activities that involve the motion of complete body from those in which only certain body parts move. In other words, our method discriminates well between activities with &quot;global body motion&quot; like running, jogging etc. and &quot;local motion&quot; like waving, boxing etc."}],"publist_id":"2675","quality_controlled":0,"citation":{"apa":"Dhillon, P., Nowozin, S., &#38; Lampert, C. (2009). Combining appearance and motion for human action classification in videos (pp. 22–29). Presented at the CVPR: Computer Vision and Pattern Recognition, IEEE. <a href=\"https://doi.org/10.1109/CVPRW.2009.5204237\">https://doi.org/10.1109/CVPRW.2009.5204237</a>","mla":"Dhillon, Paramveer, et al. <i>Combining Appearance and Motion for Human Action Classification in Videos</i>. no. 174, IEEE, 2009, pp. 22–29, doi:<a href=\"https://doi.org/10.1109/CVPRW.2009.5204237\">10.1109/CVPRW.2009.5204237</a>.","ama":"Dhillon P, Nowozin S, Lampert C. Combining appearance and motion for human action classification in videos. In: IEEE; 2009:22-29. doi:<a href=\"https://doi.org/10.1109/CVPRW.2009.5204237\">10.1109/CVPRW.2009.5204237</a>","short":"P. Dhillon, S. Nowozin, C. Lampert, in:, IEEE, 2009, pp. 22–29.","ieee":"P. Dhillon, S. Nowozin, and C. Lampert, “Combining appearance and motion for human action classification in videos,” presented at the CVPR: Computer Vision and Pattern Recognition, 2009, no. 174, pp. 22–29.","chicago":"Dhillon, Paramveer, Sebastian Nowozin, and Christoph Lampert. “Combining Appearance and Motion for Human Action Classification in Videos,” 22–29. IEEE, 2009. <a href=\"https://doi.org/10.1109/CVPRW.2009.5204237\">https://doi.org/10.1109/CVPRW.2009.5204237</a>.","ista":"Dhillon P, Nowozin S, Lampert C. 2009. Combining appearance and motion for human action classification in videos. CVPR: Computer Vision and Pattern Recognition, 22–29."},"page":"22 - 29","day":"01","status":"public","date_created":"2018-12-11T12:04:38Z","publication_status":"published","date_published":"2009-01-01T00:00:00Z","month":"01","author":[{"full_name":"Dhillon, Paramveer S","last_name":"Dhillon","first_name":"Paramveer"},{"last_name":"Nowozin","first_name":"Sebastian","full_name":"Nowozin, Sebastian"},{"last_name":"Lampert","first_name":"Christoph","full_name":"Christoph Lampert","id":"40C20FD2-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-8622-7887"}],"title":"Combining appearance and motion for human action classification in videos","type":"conference","year":"2009","_id":"3690"},{"publication":"Machine Learning","title":"Structured prediction by joint kernel support estimation","type":"journal_article","_id":"3696","year":"2009","intvolume":"        77","status":"public","date_created":"2018-12-11T12:04:40Z","license":"https://creativecommons.org/licenses/by-nc/4.0/","publication_status":"published","date_published":"2009-04-07T00:00:00Z","month":"04","author":[{"orcid":"0000-0001-8622-7887","id":"40C20FD2-F248-11E8-B48F-1D18A9856A87","last_name":"Lampert","first_name":"Christoph","full_name":"Christoph Lampert"},{"full_name":"Blaschko,Matthew B","last_name":"Blaschko","first_name":"Matthew"}],"date_updated":"2021-01-12T07:49:01Z","tmp":{"legal_code_url":"https://creativecommons.org/licenses/by-nc/4.0/legalcode","image":"/images/cc_by_nc.png","name":"Creative Commons Attribution-NonCommercial 4.0 International (CC BY-NC 4.0)","short":"CC BY-NC (4.0)"},"abstract":[{"lang":"eng","text":"Discriminative techniques, such as conditional random fields (CRFs) or structure aware maximum-margin techniques (maximum margin Markov networks (M3N), structured output support vector machines (S-SVM)), are state-of-the-art in the prediction of structured data. However, to achieve good results these techniques require complete and reliable ground truth, which is not always available in realistic problems. Furthermore, training either CRFs or margin-based techniques is computationally costly, because the runtime of current training methods depends not only on the size of the training set but also on properties of the output space to which the training samples are assigned. We propose an alternative model for structured output prediction, Joint Kernel Support Estimation (JKSE), which is rather generative in nature as it relies on estimating the joint probability density of samples and labels in the training set. This makes it tolerant against incomplete or incorrect labels and also opens the possibility of learning in situations where more than one output label can be considered correct. At the same time, we avoid typical problems of generative models as we do not attempt to learn the full joint probability distribution, but we model only its support in a joint reproducing kernel Hilbert space. As a consequence, JKSE training is possible by an adaption of the classical one-class SVM procedure. The resulting optimization problem is convex and efficiently solvable even with tens of thousands of training examples. A particular advantage of JKSE is that the training speed depends only on the size of the training set, and not on the total size of the label space. No inference step during training is required (as M3N and S-SVM would) nor do we have calculate a partition function (as CRFs do). Experiments on realistic data show that, for suitable kernel functions, our method works efficiently and robustly in situations that discriminative techniques have problems with or that are computationally infeasible for them."}],"quality_controlled":0,"publist_id":"2663","page":"249 - 269","citation":{"ista":"Lampert C, Blaschko M. 2009. Structured prediction by joint kernel support estimation. Machine Learning. 77(2–3), 249–269.","ama":"Lampert C, Blaschko M. Structured prediction by joint kernel support estimation. <i>Machine Learning</i>. 2009;77(2-3):249-269. doi:<a href=\"https://doi.org/10.1007/s10994-009-5111-0\">10.1007/s10994-009-5111-0</a>","ieee":"C. Lampert and M. Blaschko, “Structured prediction by joint kernel support estimation,” <i>Machine Learning</i>, vol. 77, no. 2–3. Springer, pp. 249–269, 2009.","chicago":"Lampert, Christoph, and Matthew Blaschko. “Structured Prediction by Joint Kernel Support Estimation.” <i>Machine Learning</i>. Springer, 2009. <a href=\"https://doi.org/10.1007/s10994-009-5111-0\">https://doi.org/10.1007/s10994-009-5111-0</a>.","short":"C. Lampert, M. Blaschko, Machine Learning 77 (2009) 249–269.","mla":"Lampert, Christoph, and Matthew Blaschko. “Structured Prediction by Joint Kernel Support Estimation.” <i>Machine Learning</i>, vol. 77, no. 2–3, Springer, 2009, pp. 249–69, doi:<a href=\"https://doi.org/10.1007/s10994-009-5111-0\">10.1007/s10994-009-5111-0</a>.","apa":"Lampert, C., &#38; Blaschko, M. (2009). Structured prediction by joint kernel support estimation. <i>Machine Learning</i>. Springer. <a href=\"https://doi.org/10.1007/s10994-009-5111-0\">https://doi.org/10.1007/s10994-009-5111-0</a>"},"volume":77,"day":"07","extern":1,"publisher":"Springer","doi":"10.1007/s10994-009-5111-0","issue":"2-3"},{"citation":{"apa":"Blaschko, M., Lampert, C., &#38; Bartels, A. (2009). <i>Semi-supervised analysis of human fMRI data</i>. <i>BBCI: Berlin Brain-Computer Interface Workshop - Advances in Neurotechnology</i>. Berlin Institute of Technology.","mla":"Blaschko, Matthew, et al. “Semi-Supervised Analysis of Human FMRI Data.” <i>BBCI: Berlin Brain-Computer Interface Workshop - Advances in Neurotechnology</i>, Berlin Institute of Technology, 2009.","ieee":"M. Blaschko, C. Lampert, and A. Bartels, <i>Semi-supervised analysis of human fMRI data</i>. Berlin Institute of Technology, 2009.","short":"M. Blaschko, C. Lampert, A. Bartels, Semi-Supervised Analysis of Human FMRI Data, Berlin Institute of Technology, 2009.","ama":"Blaschko M, Lampert C, Bartels A. <i>Semi-Supervised Analysis of Human FMRI Data</i>. Berlin Institute of Technology; 2009.","chicago":"Blaschko, Matthew, Christoph Lampert, and Andreas Bartels. <i>Semi-Supervised Analysis of Human FMRI Data</i>. <i>BBCI: Berlin Brain-Computer Interface Workshop - Advances in Neurotechnology</i>. Berlin Institute of Technology, 2009.","ista":"Blaschko M, Lampert C, Bartels A. 2009. Semi-supervised analysis of human fMRI data, Berlin Institute of Technology,p."},"day":"10","publist_id":"2661","quality_controlled":0,"date_updated":"2019-04-26T07:22:33Z","abstract":[{"lang":"eng","text":"Kernel Canonical Correlation Analysis (KCCA) is a general technique for subspace learning that incorporates principal components analysis (PCA) and Fisher linear discriminant analysis (LDA) as special cases. By finding directions that maximize correlation, CCA learns representations tied more closely to underlying process generating the the data and can ignore high-variance noise directions. However, for data where acquisition in a given modality is expensive or otherwise limited, CCA may suffer from small sample effects. We propose to use semisupervised Laplacian regularization to utilize data that are present in only one modality. This approach is able to find highly correlated directions that also lie along the data manifold, resulting in a more robust estimate of correlated subspaces. Functional magnetic resonance imaging (fMRI) acquired data are naturally amenable to subspace techniques as data are well aligned. fMRI data of the human brain are a particularly interesting candidate. In this study we implemented various supervised and semi-supervised versions of CCA on human fMRI data, with regression to single and multivariate labels (corresponding to video content subjects viewed during the image acquisition). In each variate condition, the semi-supervised variants of CCA performed better than the supervised variants, including a supervised variant with Laplacian regularization. We additionally analyze the weights learned by the regression in order to infer brain regions that are important to different types of visual processing."}],"publisher":"Berlin Institute of Technology","extern":1,"_id":"3699","year":"2009","type":"conference_poster","main_file_link":[{"open_access":"0","url":"http://pubman.mpdl.mpg.de/pubman/faces/viewItemOverviewPage.jsp?itemId=escidoc:1789281"}],"title":"Semi-supervised analysis of human fMRI data","publication":"BBCI: Berlin Brain-Computer Interface Workshop - Advances in Neurotechnology","author":[{"full_name":"Blaschko,Matthew B","first_name":"Matthew","last_name":"Blaschko"},{"last_name":"Lampert","first_name":"Christoph","full_name":"Christoph Lampert","orcid":"0000-0001-8622-7887","id":"40C20FD2-F248-11E8-B48F-1D18A9856A87"},{"first_name":"Andreas","last_name":"Bartels","full_name":"Bartels, Andreas"}],"publication_status":"published","date_published":"2009-07-10T00:00:00Z","month":"07","date_created":"2018-12-11T12:04:41Z","status":"public"},{"page":"1 - 11","citation":{"apa":"Blaschko, M., &#38; Lampert, C. (2009). Object localization with global and local context kernels (pp. 1–11). Presented at the BMVC: British Machine Vision Conference, BMVA Press. <a href=\"https://doi.org/10.5244/C.23.63\">https://doi.org/10.5244/C.23.63</a>","mla":"Blaschko, Matthew, and Christoph Lampert. <i>Object Localization with Global and Local Context Kernels</i>. BMVA Press, 2009, pp. 1–11, doi:<a href=\"https://doi.org/10.5244/C.23.63\">10.5244/C.23.63</a>.","ama":"Blaschko M, Lampert C. Object localization with global and local context kernels. In: BMVA Press; 2009:1-11. doi:<a href=\"https://doi.org/10.5244/C.23.63\">10.5244/C.23.63</a>","chicago":"Blaschko, Matthew, and Christoph Lampert. “Object Localization with Global and Local Context Kernels,” 1–11. BMVA Press, 2009. <a href=\"https://doi.org/10.5244/C.23.63\">https://doi.org/10.5244/C.23.63</a>.","ieee":"M. Blaschko and C. Lampert, “Object localization with global and local context kernels,” presented at the BMVC: British Machine Vision Conference, 2009, pp. 1–11.","short":"M. Blaschko, C. Lampert, in:, BMVA Press, 2009, pp. 1–11.","ista":"Blaschko M, Lampert C. 2009. Object localization with global and local context kernels. BMVC: British Machine Vision Conference, Proceedings of the BMVC, , 1–11."},"day":"10","tmp":{"short":"CC BY (4.0)","image":"/images/cc_by.png","name":"Creative Commons Attribution 4.0 International Public License (CC-BY 4.0)","legal_code_url":"https://creativecommons.org/licenses/by/4.0/legalcode"},"date_updated":"2021-01-12T07:51:36Z","abstract":[{"lang":"eng","text":"Recent research has shown that the use of contextual cues significantly improves performance in sliding window type localization systems. In this work, we propose a method that incorporates both global and local context information through appropriately defined kernel functions. In particular, we make use of a weighted combination of kernels defined over local spatial regions, as well as a global context kernel. The relative importance of the context contributions is learned automatically, and the resulting discriminant function is of a form such that localization at test time can be solved efficiently using a branch and bound optimization scheme. By specifying context directly with a kernel learning approach, we achieve high localization accuracy with a simple and efficient representation. This is in contrast to other systems that incorporate context for which expensive inference needs to be done at test time. We show experimentally on the PASCAL VOC datasets that the inclusion of context can significantly improve localization performance, provided the relative contributions of context cues are learned appropriately."}],"quality_controlled":0,"publist_id":"2655","conference":{"name":"BMVC: British Machine Vision Conference"},"extern":1,"publisher":"BMVA Press","doi":"10.5244/C.23.63","type":"conference","main_file_link":[{"open_access":"0","url":"http://www.bmva.org/bmvc/2009/Papers/Paper228/Paper228.pdf"}],"year":"2009","_id":"3703","title":"Object localization with global and local context kernels","publication_status":"published","date_published":"2009-09-10T00:00:00Z","acknowledgement":"The research leading to these results has received funding from the European Research Council under the European Community’s Seventh Framework Programme (FP7/2007- 2013) / ERC grant agreement no. 228180. This work was funded in part by the EC project CLASS, IST 027978, and the PASCAL2 network of excellence. The first author is supported by the Royal Academy of Engineering through a Newton International Fellowship.","month":"09","alternative_title":["Proceedings of the BMVC"],"author":[{"full_name":"Blaschko,Matthew B","first_name":"Matthew","last_name":"Blaschko"},{"first_name":"Christoph","last_name":"Lampert","full_name":"Christoph Lampert","orcid":"0000-0001-8622-7887","id":"40C20FD2-F248-11E8-B48F-1D18A9856A87"}],"status":"public","date_created":"2018-12-11T12:04:42Z"},{"day":"20","citation":{"mla":"Lampert, Christoph, et al. <i>Learning to Detect Unseen Object Classes by Between-Class Attribute Transfer</i>. IEEE, 2009, pp. 951–58, doi:<a href=\"https://doi.org/10.1109/CVPR.2009.5206594\">10.1109/CVPR.2009.5206594</a>.","apa":"Lampert, C., Nickisch, H., &#38; Harmeling, S. (2009). Learning to detect unseen object classes by between-class attribute transfer (pp. 951–958). Presented at the CVPR: Computer Vision and Pattern Recognition, IEEE. <a href=\"https://doi.org/10.1109/CVPR.2009.5206594\">https://doi.org/10.1109/CVPR.2009.5206594</a>","chicago":"Lampert, Christoph, Hannes Nickisch, and Stefan Harmeling. “Learning to Detect Unseen Object Classes by Between-Class Attribute Transfer,” 951–58. IEEE, 2009. <a href=\"https://doi.org/10.1109/CVPR.2009.5206594\">https://doi.org/10.1109/CVPR.2009.5206594</a>.","ama":"Lampert C, Nickisch H, Harmeling S. Learning to detect unseen object classes by between-class attribute transfer. In: IEEE; 2009:951-958. doi:<a href=\"https://doi.org/10.1109/CVPR.2009.5206594\">10.1109/CVPR.2009.5206594</a>","ieee":"C. Lampert, H. Nickisch, and S. Harmeling, “Learning to detect unseen object classes by between-class attribute transfer,” presented at the CVPR: Computer Vision and Pattern Recognition, 2009, pp. 951–958.","short":"C. Lampert, H. Nickisch, S. Harmeling, in:, IEEE, 2009, pp. 951–958.","ista":"Lampert C, Nickisch H, Harmeling S. 2009. Learning to detect unseen object classes by between-class attribute transfer. CVPR: Computer Vision and Pattern Recognition, 951–958."},"page":"951 - 958","publist_id":"2652","quality_controlled":0,"abstract":[{"lang":"eng","text":"We study the problem of object classification when training and test classes are disjoint, i.e. no training examples of the target classes are available. This setup has hardly been studied in computer vision research, but it is the rule rather than the exception, because the world contains tens of thousands of different object classes and for only a very few of them image, collections have been formed and annotated with suitable class labels. In this paper, we tackle the problem by introducing attribute-based classification. It performs object detection based on a human-specified high-level description of the target objects instead of training images. The description consists of arbitrary semantic attributes, like shape, color or even geographic information. Because such properties transcend the specific learning task at hand, they can be pre-learned, e.g. from image datasets unrelated to the current task. Afterwards, new classes can be detected based on their attribute representation, without the need for a new training phase. In order to evaluate our method and to facilitate research in this area, we have assembled a new large-scale dataset, ldquoAnimals with Attributesrdquo, of over 30,000 animal images that match the 50 classes in Osherson‘s classic table of how strongly humans associate 85 semantic attributes with animal classes. Our experiments show that by using an attribute layer it is indeed possible to build a learning object detection system that does not require any training images of the target classes."}],"date_updated":"2021-01-12T07:51:36Z","doi":"10.1109/CVPR.2009.5206594","extern":1,"publisher":"IEEE","conference":{"name":"CVPR: Computer Vision and Pattern Recognition"},"_id":"3704","year":"2009","type":"conference","title":"Learning to detect unseen object classes by between-class attribute transfer","author":[{"id":"40C20FD2-F248-11E8-B48F-1D18A9856A87","orcid":"0000-0001-8622-7887","full_name":"Christoph Lampert","last_name":"Lampert","first_name":"Christoph"},{"last_name":"Nickisch","first_name":"Hannes","full_name":"Nickisch,Hannes"},{"last_name":"Harmeling","first_name":"Stefan","full_name":"Harmeling,Stefan"}],"month":"06","acknowledgement":"This work was funded in part by the EC project CLASS, IST 027978, and the PASCAL2 network of excellence.","publication_status":"published","date_published":"2009-06-20T00:00:00Z","date_created":"2018-12-11T12:04:43Z","status":"public"}]