Oganizing Encyclopedic Knowledge based on the Web and its Application to Question Answering.
Atsushi FujiiTetsuya IshikawaPublished in: ACL (2001)
Keyphrases
- question answering
- answering questions
- question answering systems
- information retrieval
- natural language
- natural language processing
- question answer pairs
- qa clef
- natural language questions
- cross language
- passage retrieval
- information extraction
- question classification
- open domain question answering
- answer validation
- qa systems
- syntactic information
- semantic roles
- sentence retrieval
- user generated content
- named entities
- answer extraction
- relational databases
- web pages
- machine learning