507 search results - page 17 / 102 » Portfolio theory of information retrieval |
RSKT
2009
Springer
14 years 3 months ago
2009
Springer
Abstract. A new interpretation of rules in rough set theory is introduced. According to the positive, boundary, and negative regions of a set, one can make a three-way decision: ac...
JASIS
2000
13 years 8 months ago
2000
: Because the World Wide Web is a dynamic collection of information, the Web search tools (or "search engines") that index the Web are dynamic. Traditional information re...
SIGIR
2006
ACM
14 years 2 months ago
2006
ACM
Search algorithms incorporating some form of topic model have a long history in information retrieval. For example, cluster-based retrieval has been studied since the 60s and has ...
CIKM
2009
Springer
14 years 3 months ago
2009
Springer
Opinion mining has become recently a major research topic. A wide range of techniques have been proposed to enable opinion-oriented information seeking systems. However, little is...
SIGIR
2004
ACM
14 years 2 months ago
2004
ACM
Contextual retrieval is a critical technique for facilitating many important applications such as mobile search, personalized search, PC troubleshooting, etc. Despite of its impor...