All ontologies
833 ontologies · 1,230 releases
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Sort: Name A–Z
aeros/a4bdg v1.4.0
aerOS Building ontology
Ontology that defines the conceptual model for the Pilot 5 - Smart Building use case.
tdwg/abcd v1.0
Access to Biological Collection Data Schema
The base ontology of the ABCD Standard.
audiocommons/ac v1.2.3
The Audio Commons Ontology
The Audio Commons Ontology has been created in the context of the European project [Audio Commons](https://www.audiocommons.org/), which were aimed at favouring sharing and reuse of audio content (both of musical and non-musical nature), specially using [Creative…
sioc/access v2026-11-02
Semantically-Interlinked Online Communities Access Ontology
Extends the SIOC Core Ontology (Semantically-Interlinked Online Communities) by defining basic information on permissions and access rights.
acco/acco v2013-03-25
Accomodation Ontology
A vocabulary for the description of hotels, vacation homes, camping sites, and other accommodation offers for e-commerce.
w3c/acl v2026-10-20
Web Access Control
Vocabulary for access control lists on web resources, as used by Solid.
sioc/actions v2026-11-02
Semantically-Interlinked Online Communities Actions Ontology
An ontology of predicates for actions in SIOC.
w3c/activitystreams v2017
Activity Streams 2.0
W3C vocabulary for activities, actors and objects in social web applications.
w3c/adms v2026-10-20
Asset Description Metadata Schema (ADMS)
Vocabulary for describing interoperability assets, such as standards, vocabularies and code lists.
aeros/aeros v1.1.0
aerOS Continuum Ontology
Ontology for the orchestration of the aerOS continuum.
obo/afpo v2024-03-21
African Population Ontology
AfPO is an ontology that can be used in the study of diverse populations across Africa.
worldavatar/agent v1.3
WorldAvatar agent ontology
This is a simple ontology that provides the core vocabulary for capturing service properties.
odp/agentrole v1.1
ODP Agent Role
Ontology design pattern for agents and the roles they play.
agls/agls v2010-06-30
AGLS Metadata Terms
The AGLS Metadata Terms Namespace provides URIs for the AGLS Metadata Terms Vocabulary in the context of AGLS Metadata Standard, a set of metadata properties and associated usage guidelines to improve the visibility, manageability and interoperability of online information and services.
d-nb/agrelon v1.5.1
Agent Relationship Ontology
The ontology of agent relationships, AgRelOn, defines relations of persons to other persons and to organisations.
obo/agro v2022-11-02
Agronomy Ontology
Ontology of agronomic practices, agronomic techniques, and agronomic variables used in agronomic experiments.
aiiso/aiiso v2008-09-25
Academic Institution Internal Structure Ontology
The Academic Institution Internal Structure Ontology (AIISO) provides classes and properties to describe the internal organizational structure of an academic institution.
airo/airo v1.0
AI Risk Ontology
AIRO represents AI risk concepts and relations based on the AI Act draft and ISO 31000 standard series.
airs/airs v0.0.11
Alliance of Information and Referral Services (AIRS) Vocabulary
The AIRS Linked Open Vocabulary is a way to describe human services information and referral (I&R) concepts.
obo/aism v2026-02-14
Ontology for the Anatomy of the Insect SkeletoMuscular system (AISM)
The AISM contains terms used in insect biodiversity research for describing structures of the exoskeleton and the skeletomuscular system.
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