507 search results - page 84 / 102 » Portfolio theory of information retrieval |
KDD
2007
ACM
14 years 8 months ago
2007
ACM
The blogosphere has unique structural and temporal properties since blogs are typically used as communication media among human individuals. In this paper, we propose a novel tech...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Social media websites promote diverse user interaction on media objects as well as user actions with respect to other users. The goal of this work is to discover community structu...
WWW
2009
ACM
14 years 8 months ago
2009
ACM
Understanding user intent is key to designing an effective ranking system in a search engine. In the absence of any explicit knowledge of user intent, search engines want to diver...
WWW
2007
ACM
14 years 8 months ago
2007
ACM
Although personalized search has been proposed for many years and many personalization strategies have been investigated, it is still unclear whether personalization is consistent...
CIKM
2007
Springer
14 years 1 months ago
2007
Springer
We consider the problem of document indexing and representation. Recently, Locality Preserving Indexing (LPI) was proposed for learning a compact document subspace. Different from...