Joint question clustering and relevance prediction for open domain non-factoid question answering.
Snigdha ChaturvediVittorio CastelliRadu FlorianRamesh NallapatiHema RaghavanPublished in: WWW (2014)
Keyphrases
- open domain
- question answering
- question answering systems
- information retrieval
- question classification
- qa systems
- qa clef
- answer extraction
- information extraction
- natural language questions
- passage retrieval
- answer validation
- answering questions
- natural language processing
- natural language
- named entities
- cross language
- candidate answers
- semantic roles
- question answer pairs
- test collection
- syntactic information
- ranked list
- document clustering
- relevance feedback
- search engine