Question Answering: CNLP at the TREC-9 Question Answering Track.
Anne DiekemaXiaoyong LiuJiangping ChenHudong WangNancy J. McCrackenÖzgür YilmazelElizabeth D. LiddyPublished in: TREC (2000)
Keyphrases
- question answering
- information extraction
- natural language processing
- information retrieval
- natural language
- question classification
- passage retrieval
- cross language
- sentence retrieval
- question answering systems
- named entities
- open domain question answering
- answer validation
- information retrieval systems
- qa systems
- qa clef
- bag of words
- syntactic information
- text classification
- natural language questions
- machine learning
- data mining