Question Answering Using a Large Text Database: A Machine Learning Approach.
Hwee Tou NgJennifer Lai-Pheng KwanYiyuan XiaPublished in: EMNLP (2001)
Keyphrases
- question answering
- database
- information retrieval
- syntactic information
- text summarization
- information extraction
- textual entailment recognition
- natural language
- database systems
- question classification
- semantic parsing
- natural language processing
- cross language
- open domain question answering
- passage retrieval
- qa clef
- named entities
- text retrieval
- answer validation
- natural language questions
- relation extraction
- semantic roles
- question answering systems
- relational databases
- candidate answers
- video search
- natural language text
- sentence retrieval
- relational database systems
- language model
- data mining