Web question answering through automatically learned patterns.
Dmitri RoussinovJose Antonio Robles-FloresPublished in: JCDL (2004)
Keyphrases
- question answering
- automatically learned
- answering questions
- question answering systems
- information extraction
- information retrieval
- question classification
- natural language
- natural language processing
- question answer pairs
- qa clef
- web pages
- natural language questions
- syntactic information
- open domain question answering
- candidate answers
- passage retrieval
- sentence retrieval
- web documents
- answer validation
- cross language
- textual entailment recognition
- relation extraction
- named entities
- semantic roles
- co occurrence