BBN at TREC7: Using Hidden Markov Models for Information Retrieval.
David R. H. MillerTim LeekRichard M. SchwartzPublished in: TREC (1998)
Keyphrases
- information retrieval
- test collection
- retrieval effectiveness
- question answering
- ir evaluation
- information retrieval systems
- search engine
- bayesian belief networks
- document collections
- query expansion
- ad hoc retrieval
- retrieval systems
- biomedical information retrieval
- search tasks
- information access
- retrieval model
- document retrieval
- language model
- learning to rank
- information seeking
- language modeling
- vector space model
- relevance judgments
- xml retrieval
- relevant documents
- web search
- relevance feedback
- tf idf
- pseudo relevance feedback
- information retrieval evaluation
- digital libraries