# Core techniques of question answering systems over knowledge bases: a survey

> Research article (Knowledge and Information Systems, 2017) · cited 347× · AI/ML

**Wikidata**: [openalex:W2759200442](https://www.wikidata.org/wiki/openalex:W2759200442)  
**Source**: https://4ort.xyz/entity/core-techniques-of-question-answering-systems-over-knowledge-bases-a-survey