Ronny Lempel

According to our database, Ronny Lempel authored at least 56 papers between 2000 and 2022.

Collaborative distances:

• Dijkstra number of four.
• Erdős number of two.

2022

Truthful Online Scheduling of Cloud Workloads under Uncertainty.

Moshe Babaioff, Ronny Lempel, Brendan Lucier, Ishai Menache, Aleksandrs Slivkins, Sam Chiu-wai Wong

Proceedings of the WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25, 2022

2019

Productization Challenges of Contextual Multi-Armed Bandits.

David Abensur, Ivan Balashov, Shaked Bar, Ronny Lempel, Nurit Moscovici, Ilan Orlov, Danny Rosenstein, Ido Tamir

CoRR, 2019

Search-Based Serving Architecture of Embeddings-Based Recommendations.

Sonya Liberman, Shaked Bar, Raphael Vannerom, Danny Rosenstein, Ronny Lempel

Proceedings of the 2nd Workshop on Online Recommender Systems and User Modeling, 2019

2018

Web Search Result Caching and Prefetching.

Ronny Lempel, Fabrizio Silvestri

Proceedings of the Encyclopedia of Database Systems, Second Edition, 2018

2017

Personalization is a Two-Way Street.

Ronny Lempel

Proceedings of the Eleventh ACM Conference on Recommender Systems, 2017

2016

Powering Content Discovery through Scalable, Realtime Profiling of Users' Content Preferences.

Ido Tamir, Roy Bass, Guy Kobrinsky, Baruch Brutman, Ronny Lempel, Yoram Dayagi

Proceedings of the 10th ACM Conference on Recommender Systems, 2016

2015

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, 2015

Watch-It-Next: A Contextual TV Recommendation System.

Michal Aharon, Eshcar Hillel, Amit Kagian, Ronny Lempel, Hayim Makabee, Raz Nissim

Proceedings of the Machine Learning and Knowledge Discovery in Databases, 2015

2014

Approximately optimal facet value selection.

Sonya Liberman, Ronny Lempel

Sci. Comput. Program., 2014

2013

Rank quantization.

Ravi Kumar, Ronny Lempel, Roy Schwartz, Sergei Vassilvitskii

Proceedings of the Sixth ACM International Conference on Web Search and Data Mining, 2013

Expediting search trend detection via prediction of query counts.

Nadav Golbandi, Liran Katzir, Yehuda Koren, Ronny Lempel

Proceedings of the Sixth ACM International Conference on Web Search and Data Mining, 2013

OFF-set: one-pass factorization of feature sets for online recommendation in persistent cold start settings.

Michal Aharon, Natalie Aizenberg, Edward Bortnikov, Ronny Lempel, Roi Adadi, Tomer Benyamini, Liron Levin, Ran Roth, Ohad Serfaty

Proceedings of the Seventh ACM Conference on Recommender Systems, 2013

Distributed Exploration in Multi-Armed Bandits.

Eshcar Hillel, Zohar Shay Karnin, Tomer Koren, Ronny Lempel, Oren Somekh

Proceedings of the Advances in Neural Information Processing Systems 26: 27th Annual Conference on Neural Information Processing Systems 2013. Proceedings of a meeting held December 5-8, 2013

Engagement-based user attention distribution on web article pages.

Oleg Rokhlenko, Nadav Golbandi, Ronny Lempel, Limor Leibovich

Proceedings of the 24th ACM Conference on Hypertext and Social Media (part of ECRC), 2013

2012

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

SIGIR Forum, 2012

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, 2012

Lightweight automatic face annotation in media pages.

Dmitri Perelman, Edward Bortnikov, Ronny Lempel, Roman Sandler

Proceedings of the 21st World Wide Web Conference 2012, 2012

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, 2012

Approximately optimal facet selection.

Sonya Liberman, Ronny Lempel

Proceedings of the ACM Symposium on Applied Computing, 2012

Recommendation challenges in web media settings.

Ronny Lempel

Proceedings of the Sixth ACM Conference on Recommender Systems, 2012

Dynamic personalized recommendation of comment-eliciting stories.

Michal Aharon, Amit Kagian, Ronny Lempel, Yehuda Koren

Proceedings of the Sixth ACM Conference on Recommender Systems, 2012

Modeling Transactional Queries via Templates.

Edward Bortnikov, Pinar Donmez, Amit Kagian, Ronny Lempel

Proceedings of the Advances in Information Retrieval, 2012

2011

On the Impact of Random Index-Partitioning on Index Compression

Moran Feldman, Ronny Lempel, Oren Somekh, Kolman Vornovitsky

CoRR, 2011

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, 2011

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, 2011

Caching for Realtime Search.

Edward Bortnikov, Ronny Lempel, Kolman Vornovitsky

Proceedings of the Advances in Information Retrieval, 2011

2010

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, 2010

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, 2010

Automatic construction of travel itineraries using social breadcrumbs.

Munmun De Choudhury, Moran Feldman, Sihem Amer-Yahia, Nadav Golbandi, Ronny Lempel, Cong Yu

Proceedings of the HT'10, 2010

On bootstrapping recommender systems.

Nadav Golbandi, Yehuda Koren, Ronny Lempel

Proceedings of the 19th ACM Conference on Information and Knowledge Management, 2010

2009

Web Search Result Caching and Prefetching.

Ronny Lempel, Fabrizio Silvestri

Proceedings of the Encyclopedia of Database Systems, 2009

2008

Cluster ranking with an application to mining mailbox networks.

Ziv Bar-Yossef, Ido Guy, Ronny Lempel, Yoëlle S. Maarek, Vladimir Soroka

Knowl. Inf. Syst., 2008

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, 2008

InfoScale 2008: The Third International ICST Conference on Scalable Information Systems.

Ronny Lempel, Raffaele Perego, Fabrizio Silvestri

Proceedings of the 3rd International ICST Conference on Scalable Information Systems, 2008

2007

Inverted Index Support for Numeric Search.

Marcus Fontoura, Ronny Lempel, Runping Qi, Jason Y. Zien

Internet Math., 2007

Efficient Indexing of Versioned Document Sequences.

Michael Herscovici, Ronny Lempel, Sivan Yogev

Proceedings of the Advances in Information Retrieval, 2007

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, 2007

2006

Efficient PageRank approximation via graph aggregation.

Andrei Z. Broder, Ronny Lempel, Farzin Maghoul, Jan O. Pedersen

Inf. Retr., 2006

Indexing Shared Content in Information Retrieval Systems.

Andrei Z. Broder, Nadav Eiron, Marcus Fontoura, Michael Herscovici, Ronny Lempel, John McPherson, Runping Qi, Eugene J. Shekita

Proceedings of the Advances in Database Technology, 2006

2005

Rank-Stability and Rank-Similarity of Link-Based Web Ranking Algorithms in Authority-Connected Graphs.

Ronny Lempel, Shlomo Moran

Inf. Retr., 2005

Blocking Blog Spam with Language Model Disagreement.

Gilad Mishne, David Carmel, Ronny Lempel

Proceedings of the AIRWeb 2005, 2005

2004

Optimizing result prefetching in web search engines with segmented indices.

Ronny Lempel, Shlomo Moran

ACM Trans. Internet Techn., 2004

Competitive caching of query results in search engines.

Ronny Lempel, Shlomo Moran

Theor. Comput. Sci., 2004

Trend detection through temporal link analysis.

Einat Amitay, David Carmel, Michael Herscovici, Ronny Lempel, Aya Soffer

J. Assoc. Inf. Sci. Technol., 2004

Scaling IR-system evaluation using term relevance sets.

Einat Amitay, David Carmel, Ronny Lempel, Aya Soffer

Proceedings of the SIGIR 2004: Proceedings of the 27th Annual International ACM SIGIR Conference on Research and Development in Information Retrieval, 2004

2003

The Connectivity Sonar: Detecting Site Functionality by Structural Patterns.

Einat Amitay, David Carmel, Adam Darlow, Ronny Lempel, Aya Soffer

J. Digit. Inf., 2003

Predictive caching and prefetching of query results in search engines.

Ronny Lempel, Shlomo Moran

Proceedings of the Twelfth International World Wide Web Conference, 2003

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, 2003

2002

Link structure analysis and query result caching in Web search engines.

Ronny Lempel

PhD thesis, 2002

PicASHOW: pictorial authority search by hyperlinks on the web.

Ronny Lempel, Aya Soffer

ACM Trans. Inf. Syst., 2002

Knowledge encapsulation for focused search from pervasive devices.

Yariv Aridor, David Carmel, Yoëlle S. Maarek, Aya Soffer, Ronny Lempel

ACM Trans. Inf. Syst., 2002

Topic Distillation with Knowledge Agents.

Einat Amitay, David Carmel, Adam Darlow, Ronny Lempel, Aya Soffer

Proceedings of The Eleventh Text REtrieval Conference, 2002

Introducing regulated bias into co-citation ranking schemes on the Web.

Ronny Lempel, Shlomo Moran

Proceedings of the Information, Connetcitons and Community, 2002

2001

SALSA: the stochastic approach for link-structure analysis.

Ronny Lempel, Shlomo Moran

ACM Trans. Inf. Syst., 2001

2000

The stochastic approach for link-structure analysis (SALSA) and the TKC effect.

Ronny Lempel, Shlomo Moran

Comput. Networks, 2000

Knowledge Agents on the Web.

Yariv Aridor, David Carmel, Ronny Lempel, Aya Soffer, Yoëlle S. Maarek

Proceedings of the Cooperative Information Agents IV, 2000