ontology

Từ điển Oxford Learners Wordfinder Dictionary

noun

1. (computer science) a rigorous and exhaustive organization of some knowledge domain that is usually hierarchical and contains all the relevant entities and their relations
• Topics:
computer science, computing
• Hypernyms:
arrangement, organization, organisation, system
2. the metaphysical study of the nature of being and existence
• Derivationally related forms:
ontological
• Hypernyms:
metaphysics