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164 results on '"Kanza, Yaron"'

1. Geosocial Location Classification: Associating Type to Places Based on Geotagged Social-Media Posts

Author

Kravi, Elad, Kimelfeld, Benny, Kanza, Yaron, and Reichart, Roi

Subjects
Computer Science - Computation and Language, Computer Science - Information Retrieval, Computer Science - Social and Information Networks
Abstract

Associating type to locations can be used to enrich maps and can serve a plethora of geospatial applications. An automatic method to do so could make the process less expensive in terms of human labor, and faster to react to changes. In this paper we study the problem of Geosocial Location Classification, where the type of a site, e.g., a building, is discovered based on social-media posts. Our goal is to correctly associate a set of messages posted in a small radius around a given location with the corresponding location type, e.g., school, church, restaurant or museum. We explore two approaches to the problem: (a) a pipeline approach, where each message is first classified, and then the location associated with the message set is inferred from the individual message labels; and (b) a joint approach where the individual messages are simultaneously processed to yield the desired location type. We tested the two approaches over a dataset of geotagged tweets. Our results demonstrate the superiority of the joint approach. Moreover, we show that due to the unique structure of the problem, where weakly-related messages are jointly processed to yield a single final label, linear classifiers outperform deep neural network alternatives.

Published
2020

3. On the Accuracy of Hyper-local Geotagging of Social Media Content

Author

Flatow, David, Naaman, Mor, Xie, Ke Eddie, Volkovich, Yana, and Kanza, Yaron

Subjects
Computer Science - Information Retrieval, Computer Science - Social and Information Networks
Abstract

Social media users share billions of items per year, only a small fraction of which is geotagged. We present a data- driven approach for identifying non-geotagged content items that can be associated with a hyper-local geographic area by modeling the location distributions of hyper-local n-grams that appear in the text. We explore the trade-off between accuracy, precision and coverage of this method. Further, we explore differences across content received from multiple platforms and devices, and show, for example, that content shared via different sources and applications produces significantly different geographic distributions, and that it is best to model and predict location for items according to their source. Our findings show the potential and the bounds of a data-driven approach to geotag short social media texts, and offer implications for all applications that use data-driven approaches to locate content., Comment: 10 pages

Published
2014

4. EquiX--A Search and Query Language for XML

Author

Cohen, Sara, Kanza, Yaron, Kogan, Yakov, Nutt, Werner, Sagiv, Yehoshua, and Serebrenik, Alexander

Subjects
Computer Science - Databases, H.2.5, H.2.3
Abstract

EquiX is a search language for XML that combines the power of querying with the simplicity of searching. Requirements for such languages are discussed and it is shown that EquiX meets the necessary criteria. Both a graph-based abstract syntax and a formal concrete syntax are presented for EquiX queries. In addition, the semantics is defined and an evaluation algorithm is presented. The evaluation algorithm is polynomial under combined complexity. EquiX combines pattern matching, quantification and logical expressions to query both the data and meta-data of XML documents. The result of a query in EquiX is a set of XML documents. A DTD describing the result documents is derived automatically from the query., Comment: This is a preprint of an article accepted for publication in Journal of the American Society for Information Science and Technology @ copyright 2001 John Wiley & Sons, Inc

Published
2001

5. EquiX---A Search and Query Language for XML

Author

Cohen, Sara, Kanza, Yaron, Kogan, Yakov, Nutt, Werner, Sagiv, Yehoshua, and Serebrenik, Alexander

Subjects
Computer Science - Databases, H.2.3
Abstract

EquiX is a search language for XML that combines the power of querying with the simplicity of searching. Requirements for such languages are discussed and it is shown that EquiX meets the necessary criteria. Both a graphical abstract syntax and a formal concrete syntax are presented for EquiX queries. In addition, the semantics is defined and an evaluation algorithm is presented. The evaluation algorithm is polynomial under combined complexity. EquiX combines pattern matching, quantification and logical expressions to query both the data and meta-data of XML documents. The result of a query in EquiX is a set of XML documents. A DTD describing the result documents is derived automatically from the query., Comment: technical report of Hebrew University Jerusalem Israel

Published
2000

7. Compact Representation of GPS Trajectories over Vectorial Road Networks

Author

Gotsman, Ranit, Kanza, Yaron, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Nascimento, Mario A., editor, Sellis, Timos, editor, Cheng, Reynold, editor, Sander, Jörg, editor, Zheng, Yu, editor, Kriegel, Hans-Peter, editor, Renz, Matthias, editor, and Sengstock, Christian, editor

Published
2013
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9. Route Search over Probabilistic Geospatial Data

Author

Kanza, Yaron, Safra, Eliyahu, Sagiv, Yehoshua, Hutchison, David, Series editor, Kanade, Takeo, Series editor, Kittler, Josef, Series editor, Kleinberg, Jon M., Series editor, Mattern, Friedemann, Series editor, Mitchell, John C., Series editor, Naor, Moni, Series editor, Nierstrasz, Oscar, Series editor, Pandu Rangan, C., Series editor, Steffen, Bernhard, Series editor, Sudan, Madhu, Series editor, Terzopoulos, Demetri, Series editor, Tygar, Doug, Series editor, Vardi, Moshe Y., Series editor, Weikum, Gerhard, Series editor, Mamoulis, Nikos, editor, Seidl, Thomas, editor, Pedersen, Torben Bach, editor, Torp, Kristian, editor, and Assent, Ira, editor

Published
2009
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10. Efficient, Effective and Flexible XML Retrieval Using Summaries

Author

Ali, M. S., Consens, Mariano, Gu, Xin, Kanza, Yaron, Rizzolo, Flavio, Stasiu, Raquel, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Fuhr, Norbert, editor, Lalmas, Mounia, editor, and Trotman, Andrew, editor

Published
2007
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11. Computing a k-Route over Uncertain Geographical Data

Author

Safra, Eliyahu, Kanza, Yaron, Dolev, Nir, Sagiv, Yehoshua, Doytsher, Yerach, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Doug, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Papadias, Dimitris, editor, Zhang, Donghui, editor, and Kollios, George, editor

Published
2007
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12. Integrating Data from Maps on the World-Wide Web

Author

Safra, Eliyahu, Kanza, Yaron, Sagiv, Yehoshua, Doytsher, Yerach, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Carswell, James D., editor, and Tezuka, Taro, editor

Published
2006
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13. Authorization-Transparent Access Control for XML Under the Non-Truman Model

Author

Kanza, Yaron, Mendelzon, Alberto O., Miller, Renée J., Zhang, Zheng, Hutchison, David, editor, Kanade, Takeo, editor, Kittler, Josef, editor, Kleinberg, Jon M., editor, Mattern, Friedemann, editor, Mitchell, John C., editor, Naor, Moni, editor, Nierstrasz, Oscar, editor, Pandu Rangan, C., editor, Steffen, Bernhard, editor, Sudan, Madhu, editor, Terzopoulos, Demetri, editor, Tygar, Dough, editor, Vardi, Moshe Y., editor, Weikum, Gerhard, editor, Ioannidis, Yannis, editor, Scholl, Marc H., editor, Schmidt, Joachim W., editor, Matthes, Florian, editor, Hatzopoulos, Mike, editor, Boehm, Klemens, editor, Kemper, Alfons, editor, Grust, Torsten, editor, and Boehm, Christian, editor

Published
2006
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19. Generating Relations from XML Documents

Author

Cohen, Sara, Kanza, Yaron, Sagiv, Yehoshua, Goos, Gerhard, editor, Hartmanis, Juris, editor, van Leeuwen, Jan, editor, Calvanese, Diego, editor, Lenzerini, Maurizio, editor, and Motwani, Rajeev, editor

Published
2003
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22. Combining the Power of Searching and Querying

Author

Cohen, Sara, Kanza, Yaron, Kogan, Yakov, Nutt, Werner, Sagiv, Yehoshua, Serebrenik, Alexander, Goos, Gerhard, editor, Hartmanis, Juris, editor, van Leeuwen, Jan, editor, Scheuermann, Peter, editor, and Etzion, Opher, editor

Published
2000
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26. EquiX-A Search and Query Language for XML.

Author

Cohen, Sara, Kanza, Yaron, Kogan, Yakov, Sagiv, Yehoshua, Nutt, Werner, and Serebrenik, Alexander

Abstract

Describes EquiX, a search language for XML that combines querying with searching to query the data and the meta-data content of Web pages. Topics include search engines; a data model for XML documents; search query syntax; search query semantics; an algorithm for evaluating a query on a document; and indexing EquiX queries. (LRW)

Published
2002

37. Smartmedia

Author

Kanza, Yaron, primary, Gibbon, David, additional, Srivastava, Divesh, additional, Yip, Valerie, additional, and Zavesky, Eric, additional

Published
2020
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40. XSEarch

Author

Cohen, Sara, primary, Mamou, Jonathan, additional, Kanza, Yaron, additional, and Sagiv, Yehoshua, additional

Published
2003
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47. SimCT

Author

Hsiung, Teyu, primary and Kanza, Yaron, additional

Published
2019
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49. From Rocks to Pebbles

Author

Brown, Philip E., primary, Dasu, Tamraparni, additional, Kanza, Yaron, additional, and Srivastava, Divesh, additional

Published
2019
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