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Research Area: Search Technologies |
Profile
Aris Gionis is a research scientist in Yahoo! Research, Barcelona. He received his Ph.D from the Computer Science department of Stanford University in 2003, and between 2003 and 2006 he has been a senior researcher at the Basic Research Unit of Helsinki Institute of Information Technology, Finland. His research interests include data mining, web mining, and algorithmic data analysis.
Aris is currently serving as an associate editor in the journal of Knowledge and Information Systems (KAIS).
Other recent professional activities include being an Area Chair for ECML/PKDD 08, Vice Chair for ICDM 08 and a PC member for SDM 08, PAKDD 08, WWW 08, KDD 08, AAAI 08, ICML 08, ICDE 09, and WSDM 09.
Recent Publications, Projects and News
- The Discrete Basis Problem Pauli Miettinen; Taneli Mielikäinen; Aristides Gionis; Gautam Das; Heikki Mannila, IEEE Transactions on Knowledge and Data Engineering, 2008, 10
- The query-flow graph: model and applications Paolo Boldi; Francesco Bonchi; Carlos Castillo; Debora Donato; Aristides Gionis; Sebastiano Vigna, Conference on Information and Knowledge Management (CIKM), 2008 [view abstract]
- Dr. Searcher and Mr. Browser: a unified hyperlink-click graph Barbara Poblete; Carlos Castillo; Aristides Gionis, Conference on Information and Knowledge Management (CIKM), 2008 [view abstract]
- Searching the Wikipedia with contextual information Antti Ukkonen; Carlos Castillo; Debora Donato; Aristides Gionis, Conference on Information and Knowledge Management (CIKM), 2008
- Optimal segmentation using tree models Robert Gwadera; Aristides Gionis; Heikki Mannila, Journal of Knowledge and Information Systems (KAIS), 2008, 3
- Algorithms for unimodal segmentation with applications to unimodality detection Niina Haiminen; Aristides Gionis; Kari Laasonen, Knowledge and Information Systems, 2008, 1
- Design trade-offs for search engine caching Ricardo Baeza-Yates; Aristides Gionis; Flavio Junqueira; Vanessa Murdock; Vassilis Plachouras; Fabrizio Silvestri, Transactions on the Web (TWEB), accepted for publication, 2008
- Query log mining for detecting polysemy and spam Carlos Castillo; Claudio Corsi; Debora Donato; Paolo Ferragina; Aristides Gionis, KDD Workshop on Web Mining and Web Usage Analysis (WebKDD), Springer, 2008 [view abstract]
- k-anonymization with minimal loss of information Aristides Gionis; Tamir Tassa, IEEE Transactions on Knowledge and Data Engineering (TKDE), accepted for publication, 2008
- Efficient Semi-Streaming Algorithms for Local Triangle Counting in Massive Graphs Luca Becchetti; Paolo Boldi; Carlos Castillo; Aristides Gionis, ACM KDD, ACM Press, 2008
- Segmentations with Rearrangements Aristides Gionis; Evimaria Terzi, SIAM International Conference on Data Mining (SDM), 2008
- k-Anonymization Revisited Aristides Gionis; Arnon Mazza; Tamir Tassa:, International Conference on Data Engineering (ICDE), 2008 [view abstract]
- Topical query decomposition Francesco Bonchi; Carlos Castillo; Debora Donato; Aristides Gionis, ACM KDD, ACM Press, 2008 [view abstract]
- Query-log mining for detecting spam Carlos Castillo; Claudio Corsi; Debora Donato; Paolo Ferragina; Aristides Gionis, Fourth International Workshop on Adversarial Information Retrieval on the Web, ACM Press, 2008 [view abstract]
- Assessing data mining results via swap randomization Aristides Gionis; Heikki Mannila; Taneli Mielikäinen; Panayiotis Tsaparas, ACM Transactions on Knowledge Discovery from Data (TKDD), 2007, 3
- The price of validity in dynamic networks Mayank Bawa; Aristides Gionis; Hector Garcia-Molina; Rajeev Motwani, Journal of Computer and System Sciences (JCSS), 2007, 3
- Recurrent Predictive Models for Sequence Segmentation Saara Hyvönen; Aristides Gionis; Heikki Mannila, International Symposium on Intelligent Data Analysis (IDA), 2007
- Finding high quality content in social media, with an application to community-based question answering Eugene Agichtein; Carlos Castillo; Debora Donato; Aristides Gionis; Gilad Mishne, Web Search and Data Mining (WSDM), ACM Press, 2007 [view abstract]
- Clustering aggregation Aristides Gionis; Heikki Mannila; Panayiotis Tsaparas, ACM Transactions on Knowledge Discovery from Data (TKDD), 2007, 1 [view abstract]
- k-anonymization with minimal loss of information Aristides Gionis; Tamir Tassa, European Symposium of Algorithms (ESA), 2007