Question Answering with QACTIS at TREC 2004.
Patrick SchoneT. BassiA. KulmanGary M. CianyPaul McNameeJames MayfieldPublished in: TREC (2004)
Keyphrases
- question answering
- information retrieval
- natural language processing
- natural language
- cross language
- named entities
- question answering systems
- question classification
- information extraction
- passage retrieval
- natural language questions
- relation extraction
- syntactic information
- qa clef
- answer validation
- semantic roles
- probabilistic model
- answering questions
- open domain question answering