2022

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Sequential Modeling with Multiple Attributes for Watchlist Recommendation in E-Commerce
Uriel Singer | Haggai Roitman | Yotam Eshel | Alexander Nus | Ido Guy | Or Levi | Idan Hasson | Eliyahu Kiperwasser
WSDM '22: The Fifteenth ACM International Conference on Web Search and Data Mining, Virtual Event / Tempe, AZ, USA, February 21 - 25, 2022

2021

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Automatic Form Filling with Form-BERT
Gilad Fuchs | Haggai Roitman | Matan Mandelbrod
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

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PreSizE: Predicting Size in E-Commerce using Transformers
Yotam Eshel | Or Levi | Haggai Roitman | Alexander Nus
SIGIR '21: The 44th International ACM SIGIR Conference on Research and Development in Information Retrieval, Virtual Event, Canada, July 11-15, 2021

2020

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ICTIR Tutorial: Modern Query Performance Prediction: Theory and Practice
Haggai Roitman
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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Query Performance Prediction for Multifield Document Retrieval
Haggai Roitman | Yosi Mass | Guy Feigenblat | Roee Shraga
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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Web Table Retrieval using Multimodal Deep Learning
Roee Shraga | Haggai Roitman | Guy Feigenblat | Mustafa Canim
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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Projection-based Relevance Model for Table Retrieval
Roee Shraga | Haggai Roitman | Guy Feigenblat | Bar Weiner
Companion of The 2020 Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

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Unsupervised Dual-Cascade Learning with Pseudo-Feedback Distillation for Query-Focused Extractive Summarization
Haggai Roitman | Guy Feigenblat | Doron Cohen | Odellia Boni | David Konopnicki
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

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Ad Hoc Table Retrieval using Intrinsic and Extrinsic Similarities
Roee Shraga | Haggai Roitman | Guy Feigenblat | Mustafa Canim
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

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Utilizing Passages in Fusion-based Document Retrieval
Haggai Roitman | Yosi Mass
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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A Study of Query Performance Prediction for Answer Quality Determination
Haggai Roitman | Shai Erera | Guy Feigenblat
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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Normalized Query Commitment Revisited
Haggai Roitman
Proceedings of the 42nd International ACM SIGIR Conference on Research and Development in Information Retrieval, SIGIR 2019, Paris, France, July 21-25, 2019

2018

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Utilizing Pseudo-Relevance Feedback in Fusion-based Retrieval
Haggai Roitman
Proceedings of the 2018 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2018, Tianjin, China, September 14-17, 2018

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Enhanced Performance Prediction of Fusion-based Retrieval
Haggai Roitman
Proceedings of the 2018 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2018, Tianjin, China, September 14-17, 2018

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An Extended Query Performance Prediction Framework Utilizing Passage-Level Information
Haggai Roitman
Proceedings of the 2018 ACM SIGIR International Conference on Theory of Information Retrieval, ICTIR 2018, Tianjin, China, September 14-17, 2018

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Query Performance Prediction using Passage Information
Haggai Roitman
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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Robust Standard Deviation Estimation for Query Performance Prediction
Haggai Roitman | Shai Erera | Bar Weiner
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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Enhanced Probabilistic Classify and Count Methods for Multi-Label Text Quantification
Roy Levin | Haggai Roitman
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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A User Re-Modeling Approach to Item Recommendation using Complex Usage Data
Oren Sar Shalom | Haggai Roitman | Yishay Mansour | Amihood Amir
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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Enhanced Mean Retrieval Score Estimation for Query Performance Prediction
Haggai Roitman | Shai Erera | Oren Sar Shalom | Bar Weiner
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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Unsupervised Query-Focused Multi-Document Summarization using the Cross Entropy Method
Guy Feigenblat | Haggai Roitman | Odellia Boni | David Konopnicki
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

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An Enhanced Approach to Query Performance Prediction Using Reference Lists
Haggai Roitman
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

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An Extended Relevance Model for Session Search
Nir Levine | Haggai Roitman | Doron Cohen
Proceedings of the 40th International ACM SIGIR Conference on Research and Development in Information Retrieval, Shinjuku, Tokyo, Japan, August 7-11, 2017

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SummIt: A Tool for Extractive Summarization, Discovery and Analysis
Guy Feigenblat | Odellia Boni | Haggai Roitman | David Konopnicki
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

2016

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From "More Like This" to "Better Than This"
Haggai Roitman | Doron Cohen | Shay Hummel
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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When Watson Went to Work: Leveraging Cognitive Computing in the Real World
Aya Soffer | David Konopnicki | Haggai Roitman
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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On the Retrieval of Wikipedia Articles Containing Claims on Controversial Topics
Haggai Roitman | Shay Hummel | Ella Rabinovich | Benjamin Sznajder | Noam Slonim | Ehud Aharoni
Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11-15, 2016, Companion Volume

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From Diversity-based Prediction to Better Ontology & Schema Matching
Avigdor Gal | Haggai Roitman | Tomer Sagi
Proceedings of the 25th International Conference on World Wide Web, WWW 2016, Montreal, Canada, April 11 - 15, 2016

2014

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A fusion approach to cluster labeling
Haggai Roitman | Shay Hummel | Michal Shmueli-Scheuer
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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Measuring the effectiveness of multi-channel marketing campaigns using online chatter
Haggai Roitman | Gilad Barkai | David Konopnicki | Aya Soffer
23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014, Companion Volume

2013

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Modeling the uniqueness of the user preferences for recommendation systems
Haggai Roitman | David Carmel | Yosi Mass | Iris Eiron
The 36th International ACM SIGIR conference on research and development in Information Retrieval, SIGIR '13, Dublin, Ireland - July 28 - August 01, 2013

2012

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The first joint international workshop on entity-oriented and semantic search (JIWES)
Krisztian Balog | David Carmel | Arjen P. de Vries | Daniel M. Herzig | Peter Mika | Haggai Roitman | Ralf Schenkel | Pavel Serdyukov | Duc Thanh Tran
2012 Volume 46 Issue 2

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On the Relationship between Novelty and Popularity of User-Generated Content
David Carmel | Haggai Roitman | Elad Yom-Tov
2012 Volume 3 Issue 4

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Folksonomy-Based Term Extraction for Word Cloud Generation
David Carmel | Erel Uziel | Ido Guy | Yosi Mass | Haggai Roitman
2012 Volume 3 Issue 4

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Workshop on multimodal crowd sensing (CrowdSens 2012)
Haggai Roitman | Iván Cantador | Miriam Fernández
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 2012

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Towards expressive exploratory search over entity-relationship data
Sivan Yogev | Haggai Roitman | David Carmel | Naama Zwerdling
Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume)

2011

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Search and mining entity-relationship data
Haggai Roitman | Ralf Schenkel | Marko Grobelnik
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

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Exploratory search over social-medical data
Haggai Roitman | Sivan Yogev | Yevgenia Tsimerman | Dae Won Kim | Yossi Mesika
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

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Folksonomy-based term extraction for word cloud generation
David Carmel | Erel Uziel | Ido Guy | Yosi Mass | Haggai Roitman
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

2010

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Extracting user profiles from large scale data
Michal Shmueli-Scheuer | Haggai Roitman | David Carmel | Yosi Mass | David Konopnicki
Proceedings of the 2010 Workshop on Massive Data Analytics on the Cloud, MDAC 2010, In association with the 19th Annual World Wide Web Conference (WWW 2010), Raleigh, North Carolina, USA, April 26, 2010

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On the relationship between novelty and popularity of user-generated content
David Carmel | Haggai Roitman | Elad Yom-Tov
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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Enhancing cluster labeling using wikipedia
David Carmel | Haggai Roitman | Naama Zwerdling
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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Who tags the tags?: a framework for bookmark weighting
David Carmel | Haggai Roitman | Elad Yom-Tov
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

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