Stefano Leonardi

2025

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Fair Projections as a Means toward Balanced Recommendations.
Aris Anagnostopoulos|Luca Becchetti|Matteo Böhm|Adriano Fazzone|Stefano Leonardi|Cristina Menghini|Chris Schwiegelshohn
ACM Transactions on Intelligent Systems and Technology (TIST) 2025 Volume 16 Issue 1
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QPP-RA: Aggregating Large Language Model Rankings.
Filippo Betello|Matteo Russo|Paul Dütting|Stefano Leonardi|Fabrizio Silvestri
Proceedings of the 2025 International ACM SIGIR Conference on Innovative Concepts and Theories in Information Retrieval, ICTIR 2025, Padua, Italy, 18 July 2025

2021

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Stochastic bandits for multi-platform budget optimization in online advertising.
Vashist Avadhanula|Riccardo Colini-Baldeschi|Stefano Leonardi|Karthik Abinav Sankararaman|Okke Schrijvers
WWW '21: The Web Conference 2021, Virtual Event / Ljubljana, Slovenia, April 19-23, 2021.

2020

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Envy, Regret, and Social Welfare Loss.
Riccardo Colini-Baldeschi|Stefano Leonardi|Okke Schrijvers|Eric Sodomka
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

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Algorithms for Fair Team Formation in Online Labour Marketplaces✱.
Giorgio Barnabò|Adriano Fazzone|Stefano Leonardi|Chris Schwiegelshohn
Companion of The 2019 World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019.

2016

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Network-Aware Recommendations of Novel Tweets.
Noor Aldeen Alawad|Aris Anagnostopoulos|Stefano Leonardi|Ida Mele|Fabrizio Silvestri
Proceedings of the 39th International ACM SIGIR conference on Research and Development in Information Retrieval, SIGIR 2016, Pisa, Italy, July 17-21, 2016

2015

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Proceedings of the 24th International Conference on World Wide Web, WWW 2015, Florence, Italy, May 18-22, 2015
The Web Conference (WWW) 2015
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Proceedings of the 24th International Conference on World Wide Web Companion, WWW 2015, Florence, Italy, May 18-22, 2015 - Companion Volume
The Web Conference (WWW) 2015
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Stochastic Query Covering for Fast Approximate Document Retrieval.
Aris Anagnostopoulos|Luca Becchetti|Ilaria Bordino|Stefano Leonardi|Ida Mele|Piotr Sankowski
ACM Transactions on Information Systems (TOIS) 2015 Volume 33 Issue 3

2014

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Reduce and aggregate: similarity ranking in multi-categorical bipartite graphs.
Alessandro Epasto|Jon Feldman|Silvio Lattanzi|Stefano Leonardi|Vahab S. Mirrokni
23rd International World Wide Web Conference, WWW '14, Seoul, Republic of Korea, April 7-11, 2014

2013

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Sixth ACM International Conference on Web Search and Data Mining, WSDM 2013, Rome, Italy, February 4-8, 2013
Web Search and Data Mining (WSDM) 2013

2012

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Online team formation in social networks.
Aris Anagnostopoulos|Luca Becchetti|Carlos Castillo|Aristides Gionis|Stefano Leonardi
Proceedings of the 21st World Wide Web Conference 2012, WWW 2012, Lyon, France, April 16-20, 2012

2011

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Stochastic query covering.
Aris Anagnostopoulos|Luca Becchetti|Stefano Leonardi|Ida Mele|Piotr Sankowski
Proceedings of the Forth International Conference on Web Search and Web Data Mining, WSDM 2011, Hong Kong, China, February 9-12, 2011

2010

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Power in unity: forming teams in large-scale community systems.
Aris Anagnostopoulos|Michael A. Grasso|Luca Becchetti|Mary Brady|Carlos Castillo|Aristides Gionis|Naphtali Rishe|Stefano Leonardi|Aris Anagnostopoulos|Michael A. Grasso|Carlos Castillo|Mary Brady|Aristides Gionis|Naphtali Rishe
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

2008

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Link analysis for Web spam detection.
Luca Becchetti|Carlos Castillo|Debora Donato|Ricardo Baeza-Yates|Stefano Leonardi
ACM Transactions on the Web 2008 Volume 2 Issue 1

2006

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A reference collection for web spam.
Carlos Castillo|Debora Donato|Luca Becchetti|Paolo Boldi|Stefano Leonardi|Massimo Santini|Sebastiano Vigna
SIGIR Forum 2006 Volume 40 Issue 2