A Hybrid Question Answering System based on Information Retrieval and Answer Validation.
Partha PakrayPinaki BhaskarSomnath BanerjeeBidhan Chandra PalSivaji BandyopadhyayAlexander F. GelbukhPublished in: CLEF (Notebook Papers/Labs/Workshop) (2011)
Keyphrases
- answer validation
- question answering
- information retrieval
- answer validation exercise
- qa clef
- textual entailment
- textual entailment recognition
- information extraction
- passage retrieval
- cross language
- natural language
- search engine
- recognizing textual entailment
- document retrieval
- document collections
- information retrieval systems
- qa systems
- named entities
- natural language processing
- syntactic information
- test collection
- relevance feedback
- retrieval model
- learning to rank
- latent semantic indexing
- question answering systems
- answer extraction
- digital libraries
- text mining
- co occurrence
- wordnet
- text categorization
- information access
- text retrieval