Web question answering: is more always better?.
Susan T. DumaisMichele BankoEric BrillJimmy LinAndrew Y. NgPublished in: SIGIR (2002)
Keyphrases
- question answering
- answering questions
- question answering systems
- information retrieval
- information extraction
- cross language
- question classification
- natural language
- natural language processing
- named entities
- web documents
- open domain question answering
- question answer pairs
- natural language questions
- passage retrieval
- sentence retrieval
- qa clef
- syntactic information
- relation extraction
- candidate answers
- semantic roles
- information access
- speech transcripts
- textual entailment recognition
- web pages
- word sense disambiguation
- knowledge representation