Pattern Optimization and the Application in Question Answering.
Yongping DuMing HePublished in: ISDA (2) (2008)
Keyphrases
- question answering
- information extraction
- information retrieval
- natural language
- natural language processing
- cross language
- question classification
- question answering systems
- natural language questions
- qa clef
- open domain question answering
- sentence retrieval
- answer extraction
- named entities
- text mining
- semantic roles
- syntactic information
- qa systems
- passage retrieval
- relation extraction
- semantic information
- co occurrence
- speech transcripts