Systematic review of question answering over knowledge bases.
Arnaldo PereiraAlina TrifanRui Pedro LopesJosé Luís OliveiraPublished in: IET Softw. (2022)
Keyphrases
- question answering
- systematic review
- knowledge base
- empirical studies
- information retrieval
- natural language processing
- passage retrieval
- question classification
- natural language
- cross language
- information extraction
- knowledge representation
- named entities
- question answering systems
- natural language questions
- qa clef
- wordnet
- expert systems
- speech transcripts
- answer validation
- answer extraction
- relation extraction
- language modeling
- background knowledge