25 search results - page 1 / 5 » LDA-based document models for ad-hoc retrieval |
SIGIR
2010
ACM
13 years 3 months ago
2010
ACM
We introduce in this paper the family of information-based models for ad hoc information retrieval. These models draw their inspiration from a long-standing hypothesis in IR, name...
SIGIR
2011
ACM
12 years 7 months ago
2011
ACM
Using relevance feedback can significantly improve (ad hoc) retrieval effectiveness. Yet, if little feedback is available, effectively exploiting it is a challenge. To that end,...
CIKM
2005
Springer
13 years 10 months ago
2005
Springer
The quality of document content, which is an issue that is usually ignored for the traditional ad hoc retrieval task, is a critical issue for Web search. Web pages have a huge var...
CIKM
2008
Springer
13 years 7 months ago
2008
Springer
We introduce the Ranked Feature Fusion framework for information retrieval system design. Typical information retrieval formalisms such as the vector space model, the bestmatch mo...
SIGIR
2010
ACM
13 years 8 months ago
2010
ACM
As a principled approach to capturing semantic relations of words in information retrieval, statistical translation models have been shown to outperform simple document language m...