1088 search results - page 138 / 218 » Probabilistic query expansion using query logs |
SIGECOM
2008
ACM
13 years 8 months ago
2008
ACM
We provide tight information-theoretic lower bounds for the welfare maximization problem in combinatorial auctions. In this problem, the goal is to partition m items among k bidde...
SIGIR
2003
ACM
14 years 2 months ago
2003
ACM
Distributed search systems are an emerging phenomenon in Web search, in which independent topic-speciļ¬c search engines provide search services, and metasearchers distribute userā...
COMPSAC
2005
IEEE
14 years 2 months ago
2005
IEEE
This paper describes an approach to representing normal activities in a smart house based on the concept of anxiety. Anxiety is computed as a function of time and is kept low by i...
CIKM
2008
Springer
13 years 11 months ago
2008
Springer
Researchers investigating personalization techniques for Web Information Retrieval face a challenge; that the data required to perform evaluations, namely query logs and clickthro...
ICDT
2003
ACM
14 years 2 months ago
2003
ACM
Interest in XML databases has been growing over the last few years. In this paper, we study the problem of incorporating probabilistic information into XML databases. We propose th...