National University of Singapore at the TREC 13 Question Answering Main Task.
Hang CuiKeya LiRenxu SunTat-Seng ChuaMin-Yen KanPublished in: TREC (2004)
Keyphrases
- question answering
- national university
- information retrieval
- natural language
- natural language processing
- question answering systems
- passage retrieval
- information extraction
- cross language
- question classification
- named entities
- qa clef
- open domain question answering
- semantic roles
- relation extraction
- artificial intelligence
- relational databases
- answer extraction
- knowledge base
- sentence retrieval
- natural language questions
- question answer pairs
- machine learning