An Information Retrieval-Based Approach to Table-Based Question Answering.
Junwei BaoNan DuanMing ZhouTiejun ZhaoPublished in: NLPCC (2017)
Keyphrases
- question answering
- information retrieval
- passage retrieval
- information extraction
- question answering systems
- natural language processing
- question classification
- qa clef
- syntactic information
- test collection
- named entities
- natural language
- natural language questions
- open domain question answering
- answer extraction
- cross language
- vector space model
- learning to rank
- relevant documents
- document collections
- information retrieval systems
- text retrieval
- query expansion
- sentence retrieval
- question answer pairs
- text mining