2022

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WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

WWW '22: The ACM Web Conference 2022, Virtual Event, Lyon, France, April 25 - 29, 2022

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Accepted Tutorials at The Web Conference 2022
Riccardo Tommasini | Senjuti Basu Roy | Xuan Wang | Hongwei Wang | Heng Ji | Jiawei Han | Preslav Nakov | Giovanni Da San Martino | Firoj Alam | Markus Schedl | Elisabeth Lex | Akash Bharadwaj | Graham Cormode | Milan Dojchinovski | Jan Forberg | Johannes Frey | Pieter Bonte | Marco Balduini | Matteo Belcao | Emanuele Della Valle | Junliang Yu | Hongzhi Yin | Tong Chen | Haochen Liu | Yiqi Wang | Wenqi Fan | Xiaorui Liu | Jamell Dacon | Lingjuan Lye | Jiliang Tang | Aristides Gionis | Stefan Neumann | Bruno Ordozgoiti | Simon Razniewski | Hiba Arnaout | Shrestha Ghosh | Fabian M. Suchanek | Lingfei Wu | Yu Chen | Yunyao Li | Bang Liu | Filip Ilievski | Daniel Garijo | Hans Chalupsky | Pedro A. Szekely | Ilias Kanellos | Dimitris Sacharidis | Thanasis Vergoulis | Nurendra Choudhary | Nikhil Rao | Karthik Subbian | Srinivasan H. Sengamedu | Chandan K. Reddy | Friedhelm Victor | Bernhard Haslhofer | George Katsogiannis-Meimarakis | Georgia Koutrika | Shengmin Jin | Danai Koutra | Reza Zafarani | Yulia Tsvetkov | Vidhisha Balachandran | Sachin Kumar | Xiangyu Zhao | Bo Chen | Huifeng Guo | Yejing Wang | Ruiming Tang | Yang Zhang | Wenjie Wang | Peng Wu | Fuli Feng | Xiangnan He
Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25 - 29, 2022

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Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25 - 29, 2022

Companion of The Web Conference 2022, Virtual Event / Lyon, France, April 25 - 29, 2022

2020

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Integrity 2020: Integrity in Social Networks and Media
Lluis Garcia Pueyo | Anand Bhaskar | Panayiotis Tsaparas | Aristides Gionis | Tina Eliassi-Rad | Maria Daltayanni | Yu Sun | Panagiotis Papadimitriou
WSDM '20: The Thirteenth ACM International Conference on Web Search and Data Mining, Houston, TX, USA, February 3-7, 2020

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Mining Signed Networks: Theory and Applications: Tutorial proposal for the Web Conference 2020
Aristides Gionis | Antonis Matakos | Bruno Ordozgoiti | Han Xiao
Companion of The 2020 Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

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Finding large balanced subgraphs in signed networks
Bruno Ordozgoiti | Antonis Matakos | Aristides Gionis
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

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Searching for polarization in signed graphs: a local spectral approach
Han Xiao | Bruno Ordozgoiti | Aristides Gionis
WWW '20: The Web Conference 2020, Taipei, Taiwan, April 20-24, 2020

2019

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Discovering Interesting Cycles in Directed Graphs
Florian Adriaens | Çigdem Aslay | Tijl De Bie | Aristides Gionis | Jefrey Lijffijt
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019

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Discovering Polarized Communities in Signed Networks
Francesco Bonchi | Edoardo Galimberti | Aristides Gionis | Bruno Ordozgoiti | Giancarlo Ruffo
Proceedings of the 28th ACM International Conference on Information and Knowledge Management, CIKM 2019, Beijing, China, November 3-7, 2019

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Reconciliation k-median: Clustering with Non-polarized Representatives
Bruno Ordozgoiti | Aristides Gionis
The World Wide Web Conference, WWW 2019, San Francisco, CA, USA, May 13-17, 2019

2018

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Joint Non-negative Matrix Factorization for Learning Ideological Leaning on Twitter
Preethi Lahoti | Kiran Garimella | Aristides Gionis
Proceedings of the Eleventh ACM International Conference on Web Search and Data Mining, WSDM 2018, Marina Del Rey, CA, USA, February 5-9, 2018

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Mining Frequent Patterns in Evolving Graphs
Çigdem Aslay | Muhammad Anis Uddin Nasir | Gianmarco De Francisci Morales | Aristides Gionis
Proceedings of the 27th ACM International Conference on Information and Knowledge Management, CIKM 2018, Torino, Italy, October 22-26, 2018

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Political Discourse on Social Media: Echo Chambers, Gatekeepers, and the Price of Bipartisanship
Kiran Garimella | Gianmarco De Francisci Morales | Aristides Gionis | Michael Mathioudakis
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018

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Computationally Inferred Genealogical Networks Uncover Long-Term Trends in Assortative Mating
Eric Malmi | Aristides Gionis | Arno Solin
Proceedings of the 2018 World Wide Web Conference on World Wide Web, WWW 2018, Lyon, France, April 23-27, 2018

2017

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Reducing Controversy by Connecting Opposing Views
Kiran Garimella | Gianmarco De Francisci Morales | Aristides Gionis | Michael Mathioudakis
Proceedings of the Tenth ACM International Conference on Web Search and Data Mining, WSDM 2017, Cambridge, United Kingdom, February 6-10, 2017

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Fully Dynamic Algorithm for Top-k Densest Subgraphs
Muhammad Anis Uddin Nasir | Aristides Gionis | Gianmarco De Francisci Morales | Sarunas Girdzijauskas
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

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Active Network Alignment: A Matching-Based Approach
Eric Malmi | Aristides Gionis | Evimaria Terzi
Proceedings of the 2017 ACM on Conference on Information and Knowledge Management, CIKM 2017, Singapore, November 06 - 10, 2017

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AncestryAI: A Tool for Exploring Computationally Inferred Family Trees
Eric Malmi | Marko Rasa | Aristides Gionis
Proceedings of the 26th International Conference on World Wide Web Companion, Perth, Australia, April 3-7, 2017

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Mary, Mary, Quite Contrary: Exposing Twitter Users to Contrarian News
Kiran Garimella | Gianmarco De Francisci Morales | Aristides Gionis | Michael Mathioudakis
Proceedings of the 26th International Conference on World Wide Web Companion, Perth, Australia, April 3-7, 2017

2016

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Quantifying Controversy in Social Media
Kiran Garimella | Gianmarco De Francisci Morales | Aristides Gionis | Michael Mathioudakis
Proceedings of the Ninth ACM International Conference on Web Search and Data Mining, San Francisco, CA, USA, February 22-25, 2016

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Extracting Skill Endorsements from Personal Communication Data
Darshan M. Shankaralingappa | Gianmarco De Francisci Morales | Aristides Gionis
Proceedings of the 25th ACM International Conference on Information and Knowledge Management, CIKM 2016, Indianapolis, IN, USA, October 24-28, 2016

2015

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Subsequence Search in Event-Interval Sequences
Orestis Kostakis | Aristides Gionis
Proceedings of the 38th International ACM SIGIR Conference on Research and Development in Information Retrieval, Santiago, Chile, August 9-13, 2015

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Scalable Facility Location for Massive Graphs on Pregel-like Systems
Kiran Garimella | Gianmarco De Francisci Morales | Aristides Gionis | Mauro Sozio
Proceedings of the 24th ACM International Conference on Information and Knowledge Management, CIKM 2015, Melbourne, VIC, Australia, October 19 - 23, 2015

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Density-friendly Graph Decomposition
Nikolaj Tatti | Aristides Gionis
Proceedings of the 24th International Conference on World Wide Web, WWW 2015, Florence, Italy, May 18-22, 2015

2014

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Customized tour recommendations in urban areas
Aristides Gionis | Theodoros Lappas | Konstantinos Pelechrinis | Evimaria Terzi
Seventh ACM International Conference on Web Search and Data Mining, WSDM 2014, New York, NY, USA, February 24-28, 2014

2013

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

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

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Searching for interestingness in Wikipedia and Yahoo!: answers
Yelena Mejova | Ilaria Bordino | Mounia Lalmas | Aristides Gionis
22nd International World Wide Web Conference, WWW '13, Rio de Janeiro, Brazil, May 13-17, 2013, Companion Volume

2012

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Answers, not links: extracting tips from yahoo! answers to address how-to web queries
Ingmar Weber | Antti Ukkonen | Aristides Gionis
Proceedings of the Fifth International Conference on Web Search and Web Data Mining, WSDM 2012, Seattle, WA, USA, February 8-12, 2012

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Correlating financial time series with micro-blogging activity
Eduardo J. Ruiz | Vagelis Hristidis | Carlos Castillo | Aristides Gionis | Alejandro Jaimes
Proceedings of the Fifth International Conference on Web Search and Web Data Mining, WSDM 2012, Seattle, WA, USA, February 8-12, 2012

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From chatter to headlines: harnessing the real-time web for personalized news recommendation
Gianmarco De Francisci Morales | Aristides Gionis | Claudio Lucchese
Proceedings of the Fifth International Conference on Web Search and Web Data Mining, WSDM 2012, Seattle, WA, USA, February 8-12, 2012

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The early-adopter graph and its application to web-page recommendation
Ida Mele | Francesco Bonchi | Aristides Gionis
21st ACM International Conference on Information and Knowledge Management, CIKM'12, Maui, HI, USA, October 29 - November 02, 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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Social Network Analysis and Mining for Business Applications
Francesco Bonchi | Carlos Castillo | Aristides Gionis | Alejandro Jaimes
2011 Volume 2 Issue 3

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Suggesting ghost edges for a smaller world
Manos Papagelis | Francesco Bonchi | Aristides Gionis
Proceedings of the 20th ACM Conference on Information and Knowledge Management, CIKM 2011, Glasgow, United Kingdom, October 24-28, 2011

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Improving recommendation for long-tail queries via templates
Idan Szpektor | Aristides Gionis | Yoelle Maarek
Proceedings of the 20th International Conference on World Wide Web, WWW 2011, Hyderabad, India, March 28 - April 1, 2011

2010

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An optimization framework for query recommendation
Aris Anagnostopoulos | Luca Becchetti | Carlos Castillo | Aristides Gionis
Proceedings of the Third International Conference on Web Search and Web Data Mining, WSDM 2010, New York, NY, USA, February 4-6, 2010

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Query similarity by projecting the query-flow graph
Ilaria Bordino | Carlos Castillo | Debora Donato | Aristides Gionis
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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Power in unity: forming teams in large-scale community systems
Aris Anagnostopoulos | Luca Becchetti | Carlos Castillo | Aristides Gionis | Stefano Leonardi
Proceedings of the 19th ACM Conference on Information and Knowledge Management, CIKM 2010, Toronto, Ontario, Canada, October 26-30, 2010

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On the high density of leadership nuclei in endorsement social networks
Guillermo Garrido | Francesco Bonchi | Aristides Gionis
Proceedings of the 19th International Conference on World Wide Web, WWW 2010, Raleigh, North Carolina, USA, April 26-30, 2010

2009

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Fast shortest path distance estimation in large networks
Michalis Potamias | Francesco Bonchi | Carlos Castillo | Aristides Gionis
Proceedings of the 18th ACM Conference on Information and Knowledge Management, CIKM 2009, Hong Kong, China, November 2-6, 2009

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On the feasibility of multi-site web search engines
Ricardo Baeza-Yates | Aristides Gionis | Flavio Junqueira | Vassilis Plachouras | Luca Telloli
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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Design trade-offs for search engine caching
Ricardo Baeza-Yates | Aristides Gionis | Flavio Junqueira | Vanessa Murdock | Vassilis Plachouras | Fabrizio Silvestri
2008 Volume 2 Issue 4

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Query-log mining for detecting spam
Carlos Castillo | Claudio Corsi | Debora Donato | Paolo Ferragina | Aristides Gionis
AIRWeb 2008, Fourth International Workshop on Adversarial Information Retrieval on the Web, Beijing, China, April 22, 2008

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Finding high-quality content in social media
Eugene Agichtein | Carlos Castillo | Debora Donato | Aristides Gionis | Gilad Mishne
Proceedings of the International Conference on Web Search and Web Data Mining, WSDM 2008, Palo Alto, California, USA, February 11-12, 2008

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Searching the wikipedia with contextual information
Antti Ukkonen | Carlos Castillo | Debora Donato | Aristides Gionis
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008

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Dr. Searcher and Mr. Browser: a unified hyperlink-click graph
Barbara Poblete | Carlos Castillo | Aristides Gionis
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008

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The query-flow graph: model and applications
Paolo Boldi | Francesco Bonchi | Carlos Castillo | Debora Donato | Aristides Gionis | Sebastiano Vigna
Proceedings of the 17th ACM Conference on Information and Knowledge Management, CIKM 2008, Napa Valley, California, USA, October 26-30, 2008

2007

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Estimating Number of Citations Using Author Reputation
Carlos Castillo | Debora Donato | Aristides Gionis
String Processing and Information Retrieval, 14th International Symposium, SPIRE 2007, Santiago, Chile, October 29-31, 2007, Proceedings

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Know your neighbors: web spam detection using the web topology
Carlos Castillo | Debora Donato | Aristides Gionis | Vanessa Murdock | Fabrizio Silvestri
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

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The impact of caching on search engines
Ricardo A. Baeza-Yates | Aristides Gionis | Flavio Junqueira | Vanessa Murdock | Vassilis Plachouras | Fabrizio Silvestri
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

2002

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Evaluating strategies for similarity search on the web
Taher H. Haveliwala | Aristides Gionis | Dan Klein | Piotr Indyk
Proceedings of the Eleventh International World Wide Web Conference, WWW 2002, May 7-11, 2002, Honolulu, Hawaii, USA