82 search results - page 6 / 17 » A study of methods for negative relevance feedback |
ICMCS
2006
IEEE
14 years 2 months ago
2006
IEEE
Although relevance feedback has been extensively studied in content-based image retrieval in the academic area, no commercial web image search engine has employed the idea. There ...
PCM
2007
Springer
14 years 2 months ago
2007
Springer
Relevance feedback is an important mechanism for narrowing the semantic gap in content-based image retrieval and the process involves the user labeling positive and negative images...
ICASSP
2009
IEEE
14 years 2 months ago
2009
IEEE
We investigate language model (LM) adaptation in a meeting recognition application, where the LM is adapted based on recognition output from relevant prior meetings and partial ma...
SIGIR
2009
ACM
14 years 2 months ago
2009
ACM
Pseudo relevance feedback (PRF), which has been widely applied in IR, aims to derive a distribution from the top n pseudo relevant documents D. However, these documents are often ...
TREC
2007
13 years 9 months ago
2007
This paper describes several approaches which we used for the expert search task of the TREC 2007 Enterprise track. We studied several methods of relevance propagation from docume...