2022

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Truthful Online Scheduling of Cloud Workloads under Uncertainty
Moshe Babaioff | Ronny Lempel | Brendan Lucier | Ishai Menache | Aleksandrs Slivkins | Sam Chiu-wai Wong
WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

2015

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Budget-Constrained Item Cold-Start Handling in Collaborative Filtering Recommenders via Optimal Design
Oren Anava | Shahar Golan | Nadav Golbandi | Zohar Shay Karnin | Ronny Lempel | Oleg Rokhlenko | Oren Somekh
Proceedings of the 24th International Conference on World Wide Web, WWW 2015, Florence, Italy, May 18-22, 2015

2013

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Expediting search trend detection via prediction of query counts
Nadav Golbandi | Liran Katzir | Yehuda Koren | Ronny Lempel
Sixth ACM International Conference on Web Search and Data Mining, WSDM 2013, Rome, Italy, February 4-8, 2013

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Rank quantization
Ravi Kumar | Ronny Lempel | Roy Schwartz | Sergei Vassilvitskii
Sixth ACM International Conference on Web Search and Data Mining, WSDM 2013, Rome, Italy, February 4-8, 2013

2012

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ECIR 2012: 34th european conference on information retrieval research
Ricardo Baeza-Yates | Mari-Carmen Marcos | Arjen P. de Vries | Hugo Zaragoza | Berkant Barla Cambazoglu | Vanessa Murdock | Alvaro Barreiro | David E. Losada | Ronny Lempel | Fabrizio Silvestri | Mounia Lalmas
2012 Volume 46 Issue 2

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Lightweight automatic face annotation in media pages
Dmitri Perelman | Edward Bortnikov | Ronny Lempel | Roman Sandler
Proceedings of the 21st World Wide Web Conference 2012, WWW 2012, Lyon, France, April 16-20, 2012

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Care to comment?: recommendations for commenting on news stories
Erez Shmueli | Amit Kagian | Yehuda Koren | Ronny Lempel
Proceedings of the 21st World Wide Web Conference 2012, WWW 2012, Lyon, France, April 16-20, 2012

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Hierarchical composable optimization of web pages
Ronny Lempel | Ronen Barenboim | Edward Bortnikov | Nadav Golbandi | Amit Kagian | Liran Katzir | Hayim Makabee | Scott Roy | Oren Somekh
Proceedings of the 21st World Wide Web Conference, WWW 2012, Lyon, France, April 16-20, 2012 (Companion Volume)

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Modeling Transactional Queries via Templates
Edward Bortnikov | Pinar Donmez | Amit Kagian | Ronny Lempel
Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

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Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

Advances in Information Retrieval - 34th European Conference on IR Research, ECIR 2012, Barcelona, Spain, April 1-5, 2012. Proceedings

2011

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Adaptive bootstrapping of recommender systems using decision trees
Nadav Golbandi | Yehuda Koren | Ronny Lempel
Proceedings of the Forth International Conference on Web Search and Web Data Mining, WSDM 2011, Hong Kong, China, February 9-12, 2011

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Inverted index compression via online document routing
Gal Lavee | Ronny Lempel | Edo Liberty | Oren Somekh
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011

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Caching for Realtime Search
Edward Bortnikov | Ronny Lempel | Kolman Vornovitsky
Advances in Information Retrieval - 33rd European Conference on IR Research, ECIR 2011, Dublin, Ireland, April 18-21, 2011. Proceedings

2010

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Caching search engine results over incremental indices
Roi Blanco | Edward Bortnikov | Flavio Junqueira | Ronny Lempel | Luca Telloli | Hugo Zaragoza
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 bootstrapping recommender systems
Nadav Golbandi | Yehuda Koren | Ronny Lempel
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

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Constructing travel itineraries from tagged geo-temporal breadcrumbs
Munmun De Choudhury | Moran Feldman | Sihem Amer-Yahia | Nadav Golbandi | Ronny Lempel | Cong Yu
Proceedings of the 19th International Conference on World Wide Web, WWW 2010, Raleigh, North Carolina, USA, April 26-30, 2010

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Caching search engine results over incremental indices
Roi Blanco | Edward Bortnikov | Flavio Junqueira | Ronny Lempel | Luca Telloli | Hugo Zaragoza
Proceedings of the 19th International Conference on World Wide Web, WWW 2010, Raleigh, North Carolina, USA, April 26-30, 2010

2008

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Beyond basic faceted search
Ori Ben-Yitzhak | Nadav Golbandi | Nadav Har'El | Ronny Lempel | Andreas Neumann | Shila Ofek-Koifman | Dafna Sheinwald | Eugene J. Shekita | Benjamin Sznajder | Sivan Yogev
Proceedings of the International Conference on Web Search and Web Data Mining, WSDM 2008, Palo Alto, California, USA, February 11-12, 2008

2007

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Just in time indexing for up to the second search
Ronny Lempel | Yosi Mass | Shila Ofek-Koifman | Dafna Sheinwald | Yael Petruschka | Ron Sivan
Proceedings of the Sixteenth ACM Conference on Information and Knowledge Management, CIKM 2007, Lisbon, Portugal, November 6-10, 2007

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Efficient Indexing of Versioned Document Sequences
Michael Herscovici | Ronny Lempel | Sivan Yogev
Advances in Information Retrieval, 29th European Conference on IR Research, ECIR 2007, Rome, Italy, April 2-5, 2007, Proceedings

2006

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Efficient PageRank approximation via graph aggregation
Andrei Z. Broder | Ronny Lempel | Farzin Maghoul | Jan O. Pedersen
2006 Volume 9 Issue 2

2005

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Rank-Stability and Rank-Similarity of Link-Based Web Ranking Algorithms in Authority-Connected Graphs
Ronny Lempel | Shlomo Moran
2005 Volume 8 Issue 2

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Blocking Blog Spam with Language Model Disagreement
Gilad Mishne | David Carmel | Ronny Lempel
AIRWeb 2005, First International Workshop on Adversarial Information Retrieval on the Web, co-located with the WWW conference, Chiba, Japan, May 2005

2004

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Trend detection through temporal link analysis
Einat Amitay | David Carmel | Michael Herscovici | Ronny Lempel | Aya Soffer
2004 Volume 55 Issue 14

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Scaling IR-system evaluation using term relevance sets
Einat Amitay | David Carmel | Ronny Lempel | Aya Soffer
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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Efficient pagerank approximation via graph aggregation
Andrei Z. Broder | Ronny Lempel | Farzin Maghoul | Jan O. Pedersen
Proceedings of the 13th international conference on World Wide Web - Alternate Track Papers & Posters, WWW 2004, New York, NY, USA, May 17-20, 2004

2003

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Juru at TREC 2003 - Topic Distillation using Query-Sensitive Tuning and Cohesiveness Filtering
Einat Amitay | David Carmel | Adam Darlow | Michael Herscovici | Ronny Lempel | Aya Soffer | Reiner Kraft | Jason Y. Zien
Proceedings of The Twelfth Text REtrieval Conference, TREC 2003, Gaithersburg, Maryland, USA, November 18-21, 2003

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Predictive caching and prefetching of query results in search engines
Ronny Lempel | Shlomo Moran
Proceedings of the Twelfth International World Wide Web Conference, WWW 2003, Budapest, Hungary, May 20-24, 2003

2002

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Knowledge encapsulation for focused search from pervasive devices
Yariv Aridor | David Carmel | Yoëlle S. Maarek | Aya Soffer | Ronny Lempel
2002 Volume 20 Issue 1

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PicASHOW: pictorial authority search by hyperlinks on the web
Ronny Lempel | Aya Soffer
2002 Volume 20 Issue 1

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Topic Distillation with Knowledge Agents
Einat Amitay | David Carmel | Adam Darlow | Ronny Lempel | Aya Soffer
Proceedings of The Eleventh Text REtrieval Conference, TREC 2002, Gaithersburg, Maryland, USA, November 19-22, 2002

2001

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SALSA: the stochastic approach for link-structure analysis
Ronny Lempel | Shlomo Moran
2001 Volume 19 Issue 2

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Knowledge encapsulation for focused search from pervasive devices
Yariv Aridor | David Carmel | Yoëlle S. Maarek | Aya Soffer | Ronny Lempel
Proceedings of the Tenth International World Wide Web Conference, WWW 10, Hong Kong, China, May 1-5, 2001

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PicASHOW: pictorial authority search by hyperlinks on the Web
Ronny Lempel | Aya Soffer
Proceedings of the Tenth International World Wide Web Conference, WWW 10, Hong Kong, China, May 1-5, 2001