537 search results - page 82 / 108 » Privacy-Preserving Query Answering in Logic-based Informatio... |
WWW
2010
ACM
14 years 1 months ago
2010
ACM
Web search is generally motivated by an information need. Since asking well-formulated questions is the fastest and the most natural way to obtain information for human beings, al...
NLDB
2007
Springer
14 years 2 months ago
2007
Springer
Most of Information Retrieval (IR) systems are still based on bag of word paradigm. This is a strong limitation if one needs high precision answers. For example, in restricted doma...
CIVR
2007
Springer
14 years 2 months ago
2007
Springer
This paper describes the technical details of SemRetriev, a prototype system for image retrieval which combines the use of an ontology which structures an image repository and of ...
WWW
2003
ACM
14 years 9 months ago
2003
ACM
This paper focuses on the optimization of the navigation through voluminous subsumption hierarchies of topics employed by Portal Catalogs like Netscape Open Directory (ODP). We ad...
SIGIR
2003
ACM
14 years 1 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...