Better than the real thing? Iterative pseudo-query processing using cluster-based language models
Oren KurlandLillian LeeCarmel DomshlakPublished in: CoRR (2006)
Keyphrases
- language model
- query processing
- language modeling
- speech recognition
- document retrieval
- probabilistic model
- n gram
- query expansion
- statistical language models
- smoothing methods
- language modelling
- test collection
- retrieval model
- language models for information retrieval
- context sensitive
- information retrieval
- decision trees
- relevance model
- ad hoc information retrieval
- query terms
- xml data
- cross lingual
- similarity search
- vector space model
- pseudo relevance feedback
- passage retrieval
- co occurrence
- active learning
- word error rate
- database systems