An Ad Hoc Information Retrieval Perspective on PLSI through Language Model Identification.
Jean-Cédric ChappelierEmmanuel EckardPublished in: ICTIR (2009)
Keyphrases
- ad hoc information retrieval
- language model
- language modeling
- improve retrieval accuracy
- n gram
- probabilistic model
- query expansion
- document retrieval
- retrieval model
- test collection
- information retrieval
- context sensitive
- smoothing methods
- pseudo relevance feedback
- retrieval effectiveness
- ad hoc retrieval
- document representation
- vector space model
- query terms
- similarity measure
- translation model