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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 -
MarineTLO Ontology
MarineTLO is a top-level ontology for the marine domain (also applicable to the terrestrial domain). @en -
Measurement Ontology
The Measurement Ontology is an ontology in which measurements may be rendered @en -
Minimal Service Model
A simple RDF(S) ontology able to capture (part of) the semantics of both Web services and Web APIs @en -
MARC Code List for Relators
MARC relators are defined as both RDF properties and SKOS concepts @en -
ModSci, Modern Science Ontology.
ModSci is a reference ontology for modelling different types of modern sciences and related entities, such as scientific discoveries, renowned scientists, instruments, phenomena... -
Meaning of a Tag Ontology
An ontology that let users define relationships between Tag objects and URIs of Semantic Web resources @en -
Management of a Crisis Vocabulary
MOAC, the Management of a Crisis Vocabulary, is a lightweight vocabulary aiming to provide terms to enable practitioners to relate different "things" in crisis management... -
Music Ontology
The Music Ontology Specification provides main concepts and properties fo describing music (i.e. artists, albums and tracks) on the Semantic Web @en -
Machine Learning Schema
ML-Schema is a collaborative, community effort with a mission to develop, maintain, and promote standard schemas for data mining and machine learning algorithms, datasets, and... -
Military Ontology Specification
The Muninn Military Ontology marks up information about military people, organizations and events. @en -
MEX Performance Ontology
MEX e um vocabulario modelado para facilitar a interoperabilidade entre resultados de experimentos de aprendizado de maquinas publicados na Web. A camada mex-perf e o 3o. nivel... -
MEX Core Vocabulary
MEX e um vocabulario modelado para facilitar a interoperabilidade entre resultados de experimentos de aprendizado de maquinas publicados na Web. A camada mex-core representa a...