Core techniques of question answering systems over knowledge bases: a survey.
Dennis DiefenbachVanessa LópezKamal Deep SinghPierre MaretPublished in: Knowl. Inf. Syst. (2018)
Keyphrases
- question answering systems
- knowledge base
- question answering
- question classification
- information retrieval systems
- natural language
- document retrieval
- search engine
- passage retrieval
- information extraction
- candidate answers
- database
- expert systems
- knowledge representation
- retrieval effectiveness
- data access
- data retrieval
- learning algorithm