There are a multitude of ontology languages. Each of them seeks to remove ambiguity and perfectly encapsulate clear information and knowledge.

Examples

• Common Logic
• Knowledge Interchange Format
• Web Ontology Language (OWL)
• Resource Description Framework (RDF)
• OntoUML (an extension of UML)
• IDEF5 (see: IDEF)
• Object-Process Methodology (see: OPM)
• Attempto Controlled English

Source

Ontology language - Wikipedia

Related Notes

Ontology

IDEF