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SIGIR
2005
ACM
14 years 2 months ago
Question answering passage retrieval using dependency relations
State-of-the-art question answering (QA) systems employ termdensity ranking to retrieve answer passages. Such methods often retrieve incorrect passages as relationships among ques...
Hang Cui, Renxu Sun, Keya Li, Min-Yen Kan, Tat-Sen...
CIKM
2003
Springer
14 years 2 months ago
Content-based retrieval in hybrid peer-to-peer networks
Hybrid peer-to-peer architectures use special nodes to provide directory services for regions of the network (“regional directory services”). Hybrid peer-to-peer architectures...
Jie Lu, James P. Callan
CVPR
2012
IEEE
11 years 11 months ago
Weak attributes for large-scale image retrieval
Attribute-based query offers an intuitive way of image retrieval, in which users can describe the intended search targets with understandable attributes. In this paper, we develop...
Felix X. Yu, Rongrong Ji, Ming-Hen Tsai, Guangnan ...
SIGIR
2011
ACM
13 years 1 days ago
Time-based query performance predictors
Query performance prediction is aimed at predicting the retrieval effectiveness that a query will achieve with respect to a particular ranking model. In this paper, we study quer...
Nattiya Kanhabua, Kjetil Nørvåg
INFORMATICASI
2010
13 years 6 months ago
Strategic Modeling of Information Sharing among Data Privacy Attackers
Research in privacy-preserving data publishing has revealed the necessity of accounting for an adversary's background knowledge when reasoning about the protection afforded b...
Quang Duong, Kristen LeFevre, Michael P. Wellman