A Retrieval-Based Matching Approach to Open Domain Knowledge-Based Question Answering.
Han ZhangMuhua ZhuHuizhen WangPublished in: NLPCC (2017)
Keyphrases
- question answering
- open domain
- passage retrieval
- information retrieval
- question answering systems
- information extraction
- natural language processing
- document retrieval
- sentence retrieval
- natural language
- answer extraction
- retrieval model
- retrieval systems
- natural language questions
- cross language
- image retrieval
- named entities
- qa clef
- speech transcripts
- information retrieval systems
- relevance feedback
- test collection
- qa systems
- expert systems