# An Ontological Metro Accident Case Retrieval Using CBR and NLP

> Research article (Applied Sciences, 2020) · cited 39× · AI/ML

**Wikidata**: [openalex:W3046340388](https://www.wikidata.org/wiki/openalex:W3046340388)  
**Source**: https://4ort.xyz/entity/an-ontological-metro-accident-case-retrieval-using-cbr-and-nlp