507 search results - page 13 / 102 » Portfolio theory of information retrieval |
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Retrieval with Logical Imaging is derived from belief revision and provides a novel mechanism for estimating the relevance of a document through logical implication (i.e. P(q → ...
SIGIR
2004
ACM
14 years 1 months ago
2004
ACM
This paper presents a new dependence language modeling approach to information retrieval. The approach extends the basic language modeling approach based on unigram by relaxing th...
ER
2006
Springer
13 years 11 months ago
2006
Springer
Emergent Semantics is a new paradigm for inferring semantic meaning from implicit feedback by a sufficiently large number of users of an object retrieval system. In this paper, we ...
JASIS
2000
13 years 7 months ago
2000
In the logical approach to information retrieval (IR), retrieval is considered as uncertain inference. Whereas classical IR models are based on propositional logic, we combine Dat...
WWW
2008
ACM
14 years 8 months ago
2008
ACM
We consider the problem of ranking refinement, i.e., to improve the accuracy of an existing ranking function with a small set of labeled instances. We are, particularly, intereste...