A Two-Stage Retrieval Model for the TREC-7 Ad Hoc Task.
Dong-Ho ShinByoung-Tak ZhangPublished in: TREC (1998)
Keyphrases
- retrieval model
- trec ad hoc
- relevant documents
- test collection
- information retrieval systems
- document retrieval
- user queries
- retrieval effectiveness
- information retrieval
- language modeling
- query expansion
- relevance feedback
- language model
- text retrieval
- vector space model
- retrieval systems
- document collections
- tf idf
- retrieval framework
- vector space
- statistical language models
- query terms
- search engine
- improvements in retrieval effectiveness
- sentence retrieval
- retrieval functions
- user feedback
- keywords
- passage retrieval
- effective retrieval
- trec collections
- term dependencies
- databases
- retrieval process
- multimedia