# Ontologies for information entities: State of the art and open challenges

> Research article (Applied Ontology, 2021) · cited 11× · AI/ML

**Wikidata**: [openalex:W3134977236](https://www.wikidata.org/wiki/openalex:W3134977236)  
**Source**: https://4ort.xyz/entity/ontologies-for-information-entities-state-of-the-art-and-open-challenges