ontology

An ontology is formal representation of knowledge within a domain and the relationships between those concepts, used to model and manage complex information systems.

For instance, there is not much semantic distance between "dog" and "cat" while there is a great deal between words like "cat" and "ontology."

Many Nigerians believe in the supernatural, and this often stems from the animistic ontology that undergirds self and being in many Nigerian communities.

It quantified the phenotypic risk at the gene ontology term level, without a reference genome.

Grapple was developed to provide members of the public with what Mr Monaco calls "an ontology of employment law", and offers advice on a range of workplace issues from bullying and harassment to redundancy.