The Ontology for Managing Geometry (OMG) is an ontology for describing geometry descriptions of objects. It provides means to support the application of multiple geometry...

An OWL representation of the Observation Schema described in clause 6 of ISO 19156:2011 Geographic Information - Observations and Measurements @en

The Ordered List Ontology Specification provides basic concepts and properties for describing ordered lists as semantic graphs. @en

A vocabulary to describe opening hours using calendars (recommended: iCal, RDFCal or schema.org) published on the Web. @en

The Open Graph protocol enables any web page to become a rich object in a social graph. For instance, this is used on Facebook to enable any web page to have the same...

Vocabulary to describe fridges and freezers @en

Ontology for Open Fridge project @en

Creative Commons Ontology, extending RDF file at http://creativecommons.org/schema.rdf @en

Extension of data cube for civil service junior posts @en

A vocabulary that supports the publication of Open Data by providing the means to capture machine-readable "rights statements", e.g. the licensing information, copyright notices...

The basic participation pattern, without temporal indexing. It clones equivalent elements from DOLCE-UltraLite. @en

odapps is an RDF vocabulary defined to facilitate the description of Open-Data-based ideas and applications published on the Web. @en

The OCDS is a data model that aims at structuring and publishing contracting data (tenders, procurements, awards, transactions, etc.). It got international adoption and is one...

L'ontologia Camera dei deputati è stata creata per descrivere tutte le risorse (persone, eventi, documenti) sia storiche che correnti, connesse alla Camera e alla sua attività...

OntoMedia (Ontology for Media) has been designed to describe the interactions occurring in multimedia. @en

Ontology including the content ontology design pattern for modelling objects with states. @en

This is a taxonomy of some observation methods. It is incomplete @en

Description of French National Assembly @en, Cette ontologie représente la description du fonctionnement de l'Assemblée Nationale française. @fr

The Open NEE Model defines an extension of the Open Annotation Data Model (http://www.openannotation.org/spec/core) that allows describing in RDF the result of a Named Entity...

An ontology for the description of archival data (OAD, “Ontology of Archival Description”) using the Web Ontology Language (OWL). This ontology represents the classes and...