A Modified Information Retrieval Approach to Produce Answer Candidates for Question Answering.
Johannes LevelingPublished in: LWA (2007)
Keyphrases
- question answering
- information retrieval
- information extraction
- passage retrieval
- natural language processing
- question classification
- natural language
- cross language
- named entities
- open domain question answering
- question answering systems
- learning to rank
- information retrieval systems
- natural language questions
- semantic roles
- information access
- vector space model
- query expansion
- text mining
- syntactic information
- candidate answers
- search engine
- qa clef
- answer validation
- textual entailment recognition
- data mining