Integrating Web-based and Corpus-based Techniques for Question Answering.
Boris KatzJimmy LinDaniel LoretoWesley HildebrandtMatthew W. BilottiSue FelshinAaron FernandesGregory MartonFederico MoraPublished in: TREC (2003)
Keyphrases
- question answering
- information retrieval
- natural language
- natural language processing
- question classification
- passage retrieval
- information extraction
- named entities
- cross language
- natural language questions
- multimedia
- open domain question answering
- answer validation
- syntactic information
- qa clef
- candidate answers
- semantic roles
- computational linguistics
- qa systems
- answer extraction
- relation extraction
- artificial intelligence