152 search results - page 1 / 31 » Enhancing Relevance Models with Adaptive Passage Retrieval |
ECIR
2008
Springer
13 years 6 months ago
2008
Springer
Passage retrieval and pseudo relevance feedback/query expansion have been reported as two effective means for improving document retrieval in literature. Relevance models, while im...
TREC
2004
13 years 6 months ago
2004
UIUC participated in the HARD track in TREC 2004 and focused on the evaluation of a new method for identifying variable-length passages using HMMs. Most existing approaches to pas...
SIGIR
2006
ACM
13 years 11 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...
CIKM
2008
Springer
13 years 7 months ago
2008
Springer
We present a passage relevance model for integrating syntactic and semantic evidence of biomedical concepts and topics using a probabilistic graphical model. Component models of t...
ECIR
2008
Springer
13 years 6 months ago
2008
Springer
Abstract. We show that several previously proposed passage-based document ranking principles, along with some new ones, can be derived from the same probabilistic model. We use lan...