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Nice Tag Ontology
NiceTag Ontology is an ontology which describes as generally as possible tags or rather tag actions understood as a speech acts occurring on the Web @en -
A News Storyline Ontology
The News Storyline Ontology is a generic model for describing and organising the stories news organisations tell. The ontology is intended to be flexible to support any given... -
Normative Requirements Vocabulary
An OWL vocabulary for describing normative requirements. @en -
NEPOMUK Representational Language
Designed on top of RDF, it addresses certain limitations on the part of RDF/S. In particular it includes support for Named Graphs @en -
Nature.com Core Ontology
The Core Ontology is a formal model providing definitions for the key concepts of interest to content publishing at Macmillan Science and Education. @en -
National Library of Korea Ontology
This specification describes National Library of Korea Ontology vocaburaries using W3C's RDF and OWL technology. @en -
NLP Interchange Format
The NLP Interchange Format (NIF) is an RDF/OWL-based format that aims to achieve interoperability between Natural Language Processing (NLP) tools, language resources and... -
NEPOMUK Information Element Core Ontology
The Core Ontology of the NEPOMUK suite defines basic elements such as Data Object, Information Element ... @en -
NeoGeo Geometry Ontology
A vocabulary for specifying geographical regions in RDF @en -
NEPOMUK File Ontology
Part of Nepomuk Information Element Ontology Framework @en -
NEPOMUK Contact Ontology
NEPOMUK Contact Ontology describes contact information, common in many places on the desktop. It evolved from the VCARD specification (RFC 2426) and has been inspired by the... -
NEPOMUK Calendar Ontology
The NEPOMUK Calendaring Ontology intends to provide vocabulary for describing calendaring data (events, tasks, journal entries) which is an important part of the body of... -
US National Airspace System (NAS) vocabulary
Defines concepts related to the structure of the US National Airspace System (NAS) @en -
NEPOMUK Annotation Ontology
The NEPOMUK Annotation Ontology is an ontology for annotation, providing vocabulary which is commonly required to annotate resources on the semantic desktop. @en -
Media Value Chain Ontology
The Media Value Chain Ontology (MVCO) is an ontology for formalizing the representation of the Media Value Chain. It couples naturally with the MPEG-21 multimedia framework, and... -
MobiVoc: Open Mobility Vocabulary
Our goal is to significantly improve the data mobility between all stakeholders by providing a standardized vocabulary using Semantic Web technologies and ontologies. For the... -
Modular Unified Tagging Ontology (MUTO)
The Modular and Unified Tagging Ontology (MUTO) is an ontology for tagging and folksonomies. It is based on a thorough review of earlier tagging ontologies and unifies core... -
Music Vocabulary
A vocabulary, or music ontology, to describe classical music and performances. Classes (categories) for musical works, events, instruments and performers, as well as related... -
DOREMUS is an extension of the FRBRoo model for describing the music.
DOREMUS is an extension of the FRBRoo model for describing the music. @en -
Meta-Uncertainty
An OWL vocabulary for describing uncertainty metadata. @en