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SIGIR
2012
ACM
13 years 3 days ago
2012
ACM
Many of the recent, and more effective, retrieval models have incorporated dependencies between the terms in the query. In this paper, we advance this query representation one st...
WWW
2006
ACM
15 years 10 months ago
2006
ACM
One of the main hurdles towards a wide endorsement of ontologies is the high cost of constructing them. Reuse of existing ontologies offers a much cheaper alternative than buildin...
ICML
2005
IEEE
15 years 10 months ago
2005
IEEE
How to assign appropriate weights to terms is one of the critical issues in information retrieval. Many term weighting schemes are unsupervised. They are either based on the empir...
TREC
2004
14 years 11 months ago
2004
While participating in the HARD track our first question was, what an IR-application should look like that takes into account preference meta-data from the user, without the need ...
IPM
2007
14 years 9 months ago
2007
In the KL divergence framework, the extended language modeling approach has a critical problem estimating a query model, which is the probabilistic model that encodes user’s inf...