Defines concepts related to airport status, including weather, forecasts, and airport operations @en

Arpenteur ontology is dedicated to photogrammetry, archeology and oceanology communities in order to perform tasks such as image processing, photogrammetry and modelling. @en

The Core module represents general-purpose concepts orthogonal to the whole network, which are imported by all other ontology modules (e.g. part-whole relation, classification)....

An RDF vocabulary for describing archival collections and the names associated with them @en

apps4X is an RDF vocabulary defined to facilitate the description of Open-Data-based Co-creation events @en

Configuration vocabulary for the Linked Data API @en

Appearances is an ontology that grew out of the need to record personal appearance details about individuals while taking into account errors of perception and translation...

Provides basic concepts and properties for describing specific association statements to something, e.g. an occasion, a genre or a mood ... @en

A vocabulary to represent the AutomationML Standard - IEC 62714 @en

This specification builds on the Open Services for Lifecycle Collaboration (OSLC) Core v2.0 Specification to define the resources, properties and operations supported by an OSLC...

An ontology describing cryptographic algorithms @en

The AKT Reference Ontology has been designed to support the AKT-2 demonstrator ("AKTive Portal"), and subsequent activities. The ontology, designed by the AKT-2 group and...

The AIRS Linked Open Vocabulary is a way to describe human services information and referral (I&R) concepts. AIRS is the Alliance of Information and Referral Services...

The Academic Institution Internal Structure Ontology (AIISO) provides classes and properties to describe the internal organizational structure of an academic institution. AIISO...

The ontology of agent relationships, AgRelOn, defines relations of persons to other persons and to organisations @en

This Agreements Ontology is designed to model 'agreements' which are social contracts that include licenses, laws, contracts, Memoranda of Understanding, standards and...

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...

This vocabulary expresses some common concepts to represent some features of audio signals. @en

ADMS is a profile of DCAT, used to describe semantic assets (or just 'Assets'), defined as highly reusable metadata (e.g. xml schemata, generic data models) and reference data...

This document specifies a vocabulary for asserting the existence of official endorsements or certifications of agents, such as people and organizations. @en