A to Z GIS | Explore this related guide, featuring updated terms and graphics and developed in coordination with Esri’s GIS Dictionary team.
Learn more about A to Z GIS
GIS Dictionary
Browse dictionary
ontology
URL copiedShare URL
[standards, information systems]
In computer science, a formal way to represent knowledge about a domain or subject area, using a structured framework to describe the entities that compose it and their ontological classes, attributes, relationships, and hierarchies.