Learning to rank for robust question answering.
Arvind AgarwalHema RaghavanKarthik SubbianPrem MelvilleRichard D. LawrenceDavid GondekJames FanPublished in: CIKM (2012)
Keyphrases
- question answering
- learning to rank
- information retrieval
- ranking functions
- information extraction
- evaluation measures
- named entities
- loss function
- passage retrieval
- question answering systems
- document retrieval
- natural language
- natural language processing
- collaborative filtering
- evaluation metrics
- test collection
- web search engines
- information retrieval systems
- relation extraction
- supervised learning
- structured data
- relevant documents
- text categorization
- relevance judgments