24105 search results - page 11 / 4821 » Models in Information Retrieval |
ACL
2009
13 years 5 months ago
2009
The use of phrases in retrieval models has been proven to be helpful in the literature, but no particular research addresses the problem of discriminating phrases that are likely ...
SIGIR
2003
ACM
14 years 28 days ago
2003
ACM
An empirical study has been conducted investigating the relationship between the performance of a generative language model in terms of perplexity and the corresponding informatio...
SIGIR
1993
ACM
13 years 11 months ago
1993
ACM
According to the logical model of Information Retrieval (IR), the task of IR can be described as the extraction, from a given document base, of those documents d that, given a que...
IPM
2007
13 years 7 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...
ICML
2005
IEEE
14 years 8 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...