Searcher Performance in Question Answering.
Ross WilkinsonMingfang WuMichael FullerPublished in: SIGIR (2001)
Keyphrases
- question answering
- question classification
- information extraction
- natural language
- natural language processing
- information retrieval
- cross language
- qa clef
- passage retrieval
- natural language questions
- relation extraction
- syntactic information
- question answering systems
- sentence retrieval
- open domain question answering
- named entities
- query expansion
- web search