505 search results - page 52 / 101 » Cluster-based retrieval using language models |
135
click to vote
SIGIR
2006
ACM
15 years 8 months ago
2006
ACM
Classical query expansion techniques such as the local context analysis (LCA) make use of term co-occurrence statistics to incorporate additional contextual terms for enhancing pa...
129
click to vote
CIKM
2007
Springer
15 years 8 months ago
2007
Springer
Opinion retrieval is a document retrieval process, which requires documents to be retrieved and ranked according to their opinions about a query topic. A relevant document must sa...
118
click to vote
TREC
2003
15 years 3 months ago
2003
Statistical model in retrieval has been shown to perform well empirically. Extended Boolean model has been widely used in business system for its easiness to be complemented and n...
103
click to vote
SIGIR
2005
ACM
15 years 7 months ago
2005
ACM
A large number of question and answer pairs can be collected from question and answer boards and FAQ pages on the Web. This paper proposes an automatic method of finding the ques...
109
click to vote
CIKM
2009
Springer
15 years 8 months ago
2009
Springer
Relevance Feedback has proven very effective for improving retrieval accuracy. A difficult yet important problem in all relevance feedback methods is how to optimally balance the...