2023

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Sentence Retrieval for Open-Ended Dialogue Using Dual Contextual Modeling
Itay Harel | Hagai Taitelbaum | Idan Szpektor | Oren Kurland
Advances in Information Retrieval - 45th European Conference on Information Retrieval, ECIR 2023, Dublin, Ireland, April 2-6, 2023, Proceedings, Part I

2022

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Topic Difficulty: Collection and Query Formulation Effects
J. Shane Culpepper | Guglielmo Faggioli | Nicola Ferro | Oren Kurland
2022 Volume 40 Issue 1

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A Dataset for Sentence Retrieval for Open-Ended Dialogues
Itay Harel | Hagai Taitelbaum | Idan Szpektor | Oren Kurland
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

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Competitive Search
Oren Kurland | Moshe Tennenholtz
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

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From Cluster Ranking to Document Ranking
Egor Markovskiy | Fiana Raiber | Shoham Sabach | Oren Kurland
SIGIR '22: The 45th International ACM SIGIR Conference on Research and Development in Information Retrieval, Madrid, Spain, July 11 - 15, 2022

2021

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Do Hard Topics Exist? A Statistical Analysis
J. Shane Culpepper | Guglielmo Faggioli | Nicola Ferro | Oren Kurland
Proceedings of the 11th Italian Information Retrieval Workshop 2021, Bari, Italy, September 13-15, 2021

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Recommending Search Queries in Documents Using Inter N-Gram Similarities
Eilon Sheetrit | Yaroslav Fyodorov | Fiana Raiber | Oren Kurland
ICTIR '21: The 2021 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Canada, July 11, 2021

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Driving the Herd: Search Engines as Content Influencers
Gregory Goren | Oren Kurland | Moshe Tennenholtz | Fiana Raiber
CIKM '21: The 30th ACM International Conference on Information and Knowledge Management, Virtual Event, Queensland, Australia, November 1 - 5, 2021

2020

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A passage-based approach to learning to rank documents
Eilon Sheetrit | Anna Shtok | Oren Kurland
2020 Volume 23 Issue 2

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Cluster-Based Document Retrieval with Multiple Queries
Kfir Bernstein | Fiana Raiber | Oren Kurland | J. Shane Culpepper
ICTIR '20: The 2020 ACM SIGIR International Conference on the Theory of Information Retrieval, Virtual Event, Norway, September 14-17, 2020

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Studying Ranking-Incentivized Web Dynamics
Ziv Vasilisky | Moshe Tennenholtz | Oren Kurland
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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Query Reformulation in E-Commerce Search
Sharon Hirsch | Ido Guy | Alexander Nus | Arnon Dagan | Oren Kurland
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

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Ranking-Incentivized Quality Preserving Content Modification
Gregory Goren | Oren Kurland | Moshe Tennenholtz | Fiana Raiber
Proceedings of the 43rd International ACM SIGIR conference on research and development in Information Retrieval, SIGIR 2020, Virtual Event, China, July 25-30, 2020

2019

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Relevance Feedback: The Whole Is Inferior to the Sum of Its Parts
Fiana Raiber | Oren Kurland
2019 Volume 37 Issue 4

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A Comparative Analysis of Human and Automatic Query Variants
Binsheng Liu | Nick Craswell | Xiaolu Lu | Oren Kurland | J. Shane Culpepper
Proceedings of the 2019 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2019, Santa Clara, CA, USA, October 2-5, 2019

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Relevance Modeling with Multiple Query Variations
Xiaolu Lu | Oren Kurland | J. Shane Culpepper | Nick Craswell | Ofri Rom
Proceedings of the 2019 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2019, Santa Clara, CA, USA, October 2-5, 2019

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Query Performance Prediction for Pseudo-Feedback-Based Retrieval
Haggai Roitman | Oren Kurland
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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On Topic Difficulty in IR Evaluation: The Effect of Systems, Corpora, and System Components
Fabio Zampieri | Kevin Roitero | J. Shane Culpepper | Oren Kurland | Stefano Mizzaro
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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Information Needs, Queries, and Query Performance Prediction
Oleg Zendel | Anna Shtok | Fiana Raiber | Oren Kurland | J. Shane Culpepper
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

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Cluster-Based Focused Retrieval
Eilon Sheetrit | Oren Kurland
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019

2018

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Selective Cluster Presentation on the Search Results Page
Or Levi | Ido Guy | Fiana Raiber | Oren Kurland
2018 Volume 36 Issue 3

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Clustering small-sized collections of short texts
Lili Kotlerman | Ido Dagan | Oren Kurland
2018 Volume 21 Issue 4

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Improving Search Effectiveness with Field-based Relevance Modeling
Binsheng Liu | Xiaolu Lu | Oren Kurland | J. Shane Culpepper
Proceedings of the 23rd Australasian Document Computing Symposium, ADCS 2018, Dunedin, New Zealand, December 11-12, 2018

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Fusion in Information Retrieval: SIGIR 2018 Half-Day Tutorial
Oren Kurland | J. Shane Culpepper
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

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Testing the Cluster Hypothesis with Focused and Graded Relevance Judgments
Eilon Sheetrit | Anna Shtok | Oren Kurland | Igal Shprincis
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

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Ranking Robustness Under Adversarial Document Manipulations
Gregory Goren | Oren Kurland | Moshe Tennenholtz | Fiana Raiber
The 41st International ACM SIGIR Conference on Research & Development in Information Retrieval, SIGIR 2018, Ann Arbor, MI, USA, July 08-12, 2018

2017

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Kullback-Leibler Divergence Revisited
Fiana Raiber | Oren Kurland
Proceedings of the ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2017, Amsterdam, The Netherlands, October 1-4, 2017

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Information Retrieval Meets Game Theory
Oren Kurland
Proceedings of the ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2017, Amsterdam, The Netherlands, October 1-4, 2017

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Information Retrieval Meets Game Theory: The Ranking Competition Between Documents? Authors
Nimrod Raifer | Fiana Raiber | Moshe Tennenholtz | Oren Kurland
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

2016

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Query Performance Prediction Using Reference Lists
Anna Shtok | Oren Kurland | David Carmel
2016 Volume 34 Issue 4

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Query Anchoring Using Discriminative Query Models
Saar Kuzi | Anna Shtok | Oren Kurland
Proceedings of the 2016 ACM on International Conference on the Theory of Information Retrieval, ICTIR 2016, Newark, DE, USA, September 12- 6, 2016

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Utilizing Focused Relevance Feedback
Elinor Brondwine | Anna Shtok | Oren Kurland
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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New Collection Announcement: Focused Retrieval Over the Web
Ivan Habernal | Maria Sukhareva | Fiana Raiber | Anna Shtok | Oren Kurland | Hadar Ronen | Judit Bar-Ilan | Iryna Gurevych
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Document Retrieval Using Entity-Based Language Models
Hadas Raviv | Oren Kurland | David Carmel
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

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Query Expansion Using Word Embeddings
Saar Kuzi | Anna Shtok | Oren Kurland
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

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Selective Cluster-Based Document Retrieval
Or Levi | Fiana Raiber | Oren Kurland | Ido Guy
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

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A Probabilistic Fusion Framework
Yael Anava | Anna Shtok | Oren Kurland | Ella Rabinovich
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

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Supporting Human Answers for Advice-Seeking Questions in CQA Sites
Liora Braunstain | Oren Kurland | David Carmel | Idan Szpektor | Anna Shtok
Advances in Information Retrieval - 38th European Conference on IR Research, ECIR 2016, Padua, Italy, March 20-23, 2016. Proceedings

2015

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Learning Asymmetric Co-Relevance
Fiana Raiber | Oren Kurland | Filip Radlinski | Milad Shokouhi
Proceedings of the 2015 International Conference on The Theory of Information Retrieval, ICTIR 2015, Northampton, Massachusetts, USA, September 27-30, 2015

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The Probability Ranking Principle is Not Optimal in Adversarial Retrieval Settings
Ran Ben-Basat | Moshe Tennenholtz | Oren Kurland
Proceedings of the 2015 International Conference on The Theory of Information Retrieval, ICTIR 2015, Northampton, Massachusetts, USA, September 27-30, 2015

2014

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Wikipedia-based query performance prediction
Gilad Katz | Anna Shtok | Oren Kurland | Bracha Shapira | Lior Rokach
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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The correlation between cluster hypothesis tests and the effectiveness of cluster-based retrieval
Fiana Raiber | Oren Kurland
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Query performance prediction for entity retrieval
Hadas Raviv | Oren Kurland | David Carmel
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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The search duel: a response to a strong ranker
Peter Izsak | Fiana Raiber | Oren Kurland | Moshe Tennenholtz
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Using the cross-entropy method to re-rank search results
Haggai Roitman | Shay Hummel | Oren Kurland
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Utilizing relevance feedback in fusion-based retrieval
Ella Rabinovich | Ofri Rom | Oren Kurland
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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Query-performance prediction: setting the expectations straight
Fiana Raiber | Oren Kurland
The 37th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR '14, Gold Coast , QLD, Australia - July 06 - 11, 2014

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The Cluster Hypothesis in Information Retrieval
Oren Kurland
Advances in Information Retrieval - 36th European Conference on IR Research, ECIR 2014, Amsterdam, The Netherlands, April 13-16, 2014. Proceedings

2013

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String Processing and Information Retrieval - 20th International Symposium, SPIRE 2013, Jerusalem, Israel, October 7-9, 2013, Proceedings

String Processing and Information Retrieval - 20th International Symposium, SPIRE 2013, Jerusalem, Israel, October 7-9, 2013, Proceedings

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The Technion at TREC 2013 Web Track: Cluster-based Document Retrieval
Fiana Raiber | Oren Kurland
Proceedings of The Twenty-Second Text REtrieval Conference, TREC 2013, Gaithersburg, Maryland, USA, November 19-22, 2013

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Query-Performance Prediction Using Minimal Relevance Feedback
Olga Butman | Anna Shtok | Oren Kurland | David Carmel
International Conference on the Theory of Information Retrieval, ICTIR '13, Copenhagen, Denmark, September 29 - October 02, 2013

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International Conference on the Theory of Information Retrieval, ICTIR '13, Copenhagen, Denmark, September 29 - October 02, 2013

International Conference on the Theory of Information Retrieval, ICTIR '13, Copenhagen, Denmark, September 29 - October 02, 2013

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The cluster hypothesis in information retrieval
Oren Kurland
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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Shame to be sham: addressing content-based grey hat search engine optimization
Fiana Raiber | Kevyn Collins-Thompson | Oren Kurland
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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Estimating query representativeness for query-performance prediction
Mor Sondak | Anna Shtok | Oren Kurland
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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The cluster hypothesis for entity oriented search
Hadas Raviv | Oren Kurland | David Carmel
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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Ranking document clusters using markov random fields
Fiana Raiber | Oren Kurland
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

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Position-based contextualization for passage retrieval
David Carmel | Anna Shtok | Oren Kurland
22nd ACM International Conference on Information and Knowledge Management, CIKM'13, San Francisco, CA, USA, October 27 - November 1, 2013

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Using Document-Quality Measures to Predict Web-Search Effectiveness
Fiana Raiber | Oren Kurland
Advances in Information Retrieval - 35th European Conference on IR Research, ECIR 2013, Moscow, Russia, March 24-27, 2013. Proceedings

2012

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Predicting Query Performance by Query-Drift Estimation
Anna Shtok | Oren Kurland | David Carmel | Fiana Raiber | Gad Markovits
2012 Volume 30 Issue 2

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Query performance prediction for IR
David Carmel | Oren Kurland
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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Experimental methods for information retrieval
Donald Metzler | Oren Kurland
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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Utilizing inter-document similarities in federated search
Savva Khalaman | Oren Kurland
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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Clarity re-visited
Shay Hummel | Anna Shtok | Fiana Raiber | Oren Kurland | David Carmel
The 35th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '12, Portland, OR, USA, August 12-16, 2012

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Exploring the cluster hypothesis, and cluster-based retrieval, over the web
Fiana Raiber | Oren Kurland
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Query-performance prediction and cluster ranking: two sides of the same coin
Oren Kurland | Fiana Raiber | Anna Shtok
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Predicting the performance of passage retrieval for question answering
Eyal Krikon | David Carmel | Oren Kurland
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Content-based relevance estimation on the web using inter-document similarities
Fiana Raiber | Oren Kurland | Moshe Tennenholtz
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Back to the roots: a probabilistic framework for query-performance prediction
Oren Kurland | Anna Shtok | Shay Hummel | Fiana Raiber | David Carmel | Ofri Rom
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Predicting query performance for fusion-based retrieval
Gad Markovits | Anna Shtok | Oren Kurland | David Carmel
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

2011

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A study of the integration of passage-, document-, and cluster-based information for re-ranking search results
Eyal Krikon | Oren Kurland
2011 Volume 14 Issue 6

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Re-ranking search results using an additional retrieved list
Lior Meister | Oren Kurland | Inna Gelfer Kalmanovich
2011 Volume 14 Issue 4

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A Unified Framework for Post-Retrieval Query-Performance Prediction
Oren Kurland | Anna Shtok | David Carmel | Shay Hummel
Advances in Information Retrieval Theory - Third International Conference, ICTIR 2011, Bertinoro, Italy, September 12-14, 2011. Proceedings

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Utilizing minimal relevance feedback for ad hoc retrieval
Eyal Krikon | Oren Kurland
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

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Cluster-based fusion of retrieved lists
Anna Khudyak Kozorovitzky | Oren Kurland
Proceeding of the 34th International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2011, Beijing, China, July 25-29, 2011

2010

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PageRank without hyperlinks: Structural reranking using links induced by language models
Oren Kurland | Lillian Lee
2010 Volume 28 Issue 4

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Utilizing inter-passage and inter-document similarities for reranking search results
Eyal Krikon | Oren Kurland | Michael Bendersky
2010 Volume 29 Issue 1

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Utilizing passage-based language models for ad hoc document retrieval
Michael Bendersky | Oren Kurland
2010 Volume 13 Issue 2

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Using statistical decision theory and relevance models for query-performance prediction
Anna Shtok | Oren Kurland | David Carmel
Proceeding of the 33rd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2010, Geneva, Switzerland, July 19-23, 2010

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On identifying representative relevant documents
Fiana Raiber | Oren Kurland
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

2009

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Clusters, language models, and ad hoc information retrieval
Oren Kurland | Lillian Lee
2009 Volume 27 Issue 3

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Re-ranking search results using language models of query-specific clusters
Oren Kurland
2009 Volume 12 Issue 4

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Predicting Query Performance by Query-Drift Estimation
Anna Shtok | Oren Kurland | David Carmel
Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings

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From "Identical" to "Similar": Fusing Retrieved Lists Based on Inter-document Similarities
Anna Khudyak Kozorovitzky | Oren Kurland
Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings

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Navigating in the Dark: Modeling Uncertainty in Ad Hoc Retrieval Using Multiple Relevance Models
Natali Soskin | Oren Kurland | Carmel Domshlak
Advances in Information Retrieval Theory, Second International Conference on the Theory of Information Retrieval, ICTIR 2009, Cambridge, UK, September 10-12, 2009, Proceedings

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Integrating clusters created offline with query-specific clusters for document retrieval
Lior Meister | Oren Kurland | Inna Gelfer Kalmanovich
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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Cluster-based query expansion
Inna Gelfer Kalmanovich | Oren Kurland
Proceedings of the 32nd Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2009, Boston, MA, USA, July 19-23, 2009

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Utilizing inter-passage and inter-document similarities for re-ranking search results
Eyal Krikon | Oren Kurland | Michael Bendersky
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

2008

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Re-ranking search results using document-passage graphs
Michael Bendersky | Oren Kurland
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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Query-drift prevention for robust query expansion
Liron Zighelnic | Oren Kurland
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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A rank-aggregation approach to searching for optimal query-specific clusters
Oren Kurland | Carmel Domshlak
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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The opposite of smoothing: a language model approach to ranking query-specific document clusters
Oren Kurland
Proceedings of the 31st Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2008, Singapore, July 20-24, 2008

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Utilizing Passage-Based Language Models for Document Retrieval
Michael Bendersky | Oren Kurland
Advances in Information Retrieval , 30th European Conference on IR Research, ECIR 2008, Glasgow, UK, March 30-April 3, 2008. Proceedings

2007

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Towards robust query expansion: model selection in the language modeling framework
Mattan Winaver | Oren Kurland | Carmel Domshlak
SIGIR 2007: Proceedings of the 30th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Amsterdam, The Netherlands, July 23-27, 2007

2006

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Respect my authority!: HITS without hyperlinks, utilizing cluster-based language models
Oren Kurland | Lillian Lee
SIGIR 2006: Proceedings of the 29th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Seattle, Washington, USA, August 6-11, 2006

2005

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PageRank without hyperlinks: structural re-ranking using links induced by language models
Oren Kurland | Lillian Lee
SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Salvador, Brazil, August 15-19, 2005

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Better than the real thing?: iterative pseudo-query processing using cluster-based language models
Oren Kurland | Lillian Lee | Carmel Domshlak
SIGIR 2005: Proceedings of the 28th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Salvador, Brazil, August 15-19, 2005

2004

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Corpus structure, language models, and ad hoc information retrieval
Oren Kurland | Lillian Lee
SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, Sheffield, UK, July 25-29, 2004

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