Web Based Pattern Mining and Matching Approach to Question Answering.
Dell ZhangWee Sun LeePublished in: TREC (2002)
Keyphrases
- question answering
- pattern mining
- graph mining
- frequent pattern mining
- data mining
- natural language processing
- information retrieval
- qa clef
- natural language
- passage retrieval
- frequent patterns
- syntactic information
- question classification
- itemsets
- information extraction
- natural language questions
- open domain question answering
- data mining techniques
- sequential patterns
- qa systems
- cross language
- semantic roles
- question answering systems
- data structure
- databases
- answer validation
- data sets