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» Experience in Extending Query Engine for Continuous Analytic...
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DKE
2007
111views more  DKE 2007»
14 years 9 months ago
Category ranking for personalized search
Despite the effectiveness of search engines, the persistently increasing amount of web data continuously obscures the search task. Efforts have thus concentrated on personalized...
Christos Makris, Yannis Panagis, Evangelos Sakkopo...
EDBT
2004
ACM
187views Database» more  EDBT 2004»
15 years 9 months ago
Hierarchical In-Network Data Aggregation with Quality Guarantees
Earlier work has demonstrated the effectiveness of in-network data aggregation in order to minimize the amount of messages exchanged during continuous queries in large sensor netwo...
Antonios Deligiannakis, Yannis Kotidis, Nick Rouss...
SIGMOD
2005
ACM
143views Database» more  SIGMOD 2005»
15 years 9 months ago
Holistic Aggregates in a Networked World: Distributed Tracking of Approximate Quantiles
While traditional database systems optimize for performance on one-shot queries, emerging large-scale monitoring applications require continuous tracking of complex aggregates and...
Graham Cormode, Minos N. Garofalakis, S. Muthukris...
ICDE
2005
IEEE
173views Database» more  ICDE 2005»
15 years 10 months ago
Stabbing the Sky: Efficient Skyline Computation over Sliding Windows
We consider the problem of efficiently computing the skyline against the most recent N elements in a data stream seen so far. Specifically, we study the n-of-N skyline queries; th...
Xuemin Lin, Yidong Yuan, Wei Wang 0011, Hongjun Lu
WWW
2009
ACM
15 years 10 months ago
Search result re-ranking based on gap between search queries and social tags
Both search engine click-through log and social annotation have been utilized as user feedback for search result re-ranking. However, to our best knowledge, no previous study has ...
Jun Yan, Ning Liu, Elaine Qing Chang, Lei Ji, Zhen...