241 search results - page 31 / 49 » How Reliable Are the Results of Large-Scale Information Retr... |
ACL
2008
13 years 10 months ago
2008
Natural Language Processing (NLP) for Information Retrieval has always been an interesting and challenging research area. Despite the high expectations, most of the results indica...
ACL
2008
13 years 10 months ago
2008
Query expansion is an effective technique to improve the performance of information retrieval systems. Although hand-crafted lexical resources, such as WordNet, could provide more...
BMCBI
2006
13 years 9 months ago
2006
Background: Hidden Markov Models (HMMs) have been extensively used in computational molecular biology, for modelling protein and nucleic acid sequences. In many applications, such...
SIGIR
2002
ACM
13 years 8 months ago
2002
ACM
We develop a method for predicting query performance by computing the relative entropy between a query language model and the corresponding collection language model. The resultin...
CIVR
2007
Springer
14 years 3 months ago
2007
Springer
Generic concept detection has been a widely studied topic in recent research on multimedia analysis and retrieval, but the issue of how to exploit the structure of a multimedia on...