41 search results - page 5 / 9 » A Statistical Language Modeling Approach to Lattice-Based Sp... |
SIGIR
2009
ACM
13 years 11 months ago
2009
ACM
Most retrieval models estimate the relevance of each document to a query and rank the documents accordingly. However, such an approach ignores the uncertainty associated with the ...
SIGIR
2006
ACM
13 years 11 months ago
2006
ACM
Pseudo-relevance feedback has proven to be an effective strategy for improving retrieval accuracy in all retrieval models. However the performance of existing pseudo feedback meth...
DEBU
2007
13 years 5 months ago
2007
An indexing model is the heart of an Information Retrieval (IR) system. Data structures such as term based inverted indices have proved to be very effective for IR using vector sp...
CLEF
2007
Springer
13 years 11 months ago
2007
Springer
In our participation in this CLEF evaluation campaign, the first objective is to propose and evaluate various indexing and search strategies for the Czech language in order to hop...
IPM
2007
13 years 5 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...