# A systematic mapping study on open information extraction

> Research article (Expert Systems with Applications, 2018) · cited 45× · AI/ML

**Wikidata**: [openalex:W2810987158](https://www.wikidata.org/wiki/openalex:W2810987158)  
**Source**: https://4ort.xyz/entity/a-systematic-mapping-study-on-open-information-extraction