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SIGIR
2009
ACM
15 years 4 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
90
Voted
HT
2005
ACM
15 years 3 months ago
2005
ACM
In recent years, many algorithms for the Web have been developed that work with information units distinct from individual web pages. These include segments of web pages or aggreg...
82
Voted
SIGIR
2005
ACM
15 years 3 months ago
2005
ACM
The current boom of the Web is associated with the revenues originated from on-line advertising. While search-based advertising is dominant, the association of ads with a Web page...
SIGIR
2004
ACM
15 years 2 months ago
2004
ACM
Applying Belief Revision logic to model adaptive information retrieval is appealing since it provides a rigorous theoretical foundation to model partiality and uncertainty inheren...
76
Voted
CCS
2008
ACM
14 years 11 months ago
2008
ACM
To ensure that a trust negotiation succeeds whenever possible, authorization policy compliance checkers must be able to find all minimal sets of their owners' credentials tha...