Finding the right facts in the crowd: factoid question answering over social media.
Jiang BianYandong LiuEugene AgichteinHongyuan ZhaPublished in: WWW (2008)
Keyphrases
- question answering
- social media
- information extraction
- natural language processing
- information retrieval
- question answering systems
- passage retrieval
- cross language
- syntactic information
- natural language
- named entities
- question classification
- knowledge base
- qa clef
- open domain
- qa systems
- background knowledge
- answer extraction
- sentence retrieval
- answer validation
- text mining