Improved answer ranking in social question-answering portals.
Felix HieberStefan RiezlerPublished in: SMUC (2011)
Keyphrases
- question answering
- candidate answers
- question classification
- natural language questions
- question answering systems
- qa systems
- answering questions
- answer validation
- answer extraction
- information retrieval
- natural language
- information extraction
- syntactic information
- passage retrieval
- qa clef
- correct answers
- natural language processing
- question answer pairs
- cross language
- ranked list
- learning to rank
- named entities
- web search
- ranking algorithm
- semantic roles
- ranking functions
- text categorization
- relational databases
- textual entailment recognition
- open domain question answering