Question Answering by Passage Selection (MultiText Experiments for TREC-9).
Charles L. A. ClarkeGordon V. CormackD. I. E. KismanThomas R. LynamPublished in: TREC (2000)
Keyphrases
- question answering
- passage retrieval
- information retrieval
- information extraction
- natural language
- named entities
- question classification
- natural language processing
- question answering systems
- syntactic information
- cross language
- relation extraction
- sentence retrieval
- semantic roles
- relevance feedback
- qa clef
- search engine
- open domain question answering
- data mining
- information access
- query expansion
- candidate answers
- speech transcripts
- textual entailment recognition