Experiments in Query Processing at LEXIS-NEXIS for TREC-7.
Ashwin G. RaoTimothy HumphreyAfsar ParhizgarChristi WilsonDaniel PliskePublished in: TREC (1998)
Keyphrases
- query processing
- information retrieval
- test collection
- retrieval effectiveness
- data management
- database systems
- question answering
- query optimization
- processing queries
- index structure
- efficient processing
- database query processing
- pseudo relevance feedback
- cost model
- query evaluation
- similarity search
- ir evaluation
- aggregate queries
- relevance judgments
- average precision
- r tree
- relevance feedback
- biomedical information retrieval
- blog opinion retrieval
- database
- user queries
- information retrieval systems
- expert search
- range queries
- ad hoc retrieval
- retrieval systems
- language model
- databases