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  • pr - Property Reification Vocabulary
    http://purl.org/ontology/prv/core#
    A vocabulary for describing the ontology design pattern of property reification. @en
  • reco - RECommendations Ontology
    http://purl.org/reco#
    The RECO ontology defines the vocabulary for representing preferences-as-constraints and preferences-as-ratings as RDF graphs. This lightweight vocabulary provides domain-independent means to describe user profiles in a coherent and context-aware way. RECO has been designed as an extension of both Friend-Of-A-Friend (FOAF) and Who Am I! (WAI) ontologies. @en
  • rss - Vocabulary for Rich Site Summary (RSS) 1.0
    http://purl.org/rss/1.0
    RDF Schema declaration for Rich Site Summary (RSS) 1.0 @en
  • toco - Toucan Ontology
    http://purl.org/toco/
    A ontology developed for telecommunciation network systems with hybrid technologies, e.g., WiFi, LiFi, LTE, 2G/3G, optical, etc. @en
  • uneskos - UNESKOS Vocabulary
    http://purl.org/umu/uneskos
    An RDF vocabulary for extending some SKOS and ISO-THES functions in order to improve the linked data consumption of SKOS datasets @en
  • summa - SUMMA Vocabulary
    http://purl.org/voc/summa/
    The SUMMA Vocabulary enables to request and represent summarized RDf resources. It should be used in context to the SUMMA API definition. @en
  • xapi - xAPI Controlled Vocabulary Ontology
    http://purl.org/xapi/ontology#
    This ontology contains a list of the classes and properties that can be used when for creating and publishing a controlled vocabulary dataset for xAPI communities of practice. @en
  • cdm - Conceptual Depth and Momentum
    http://purl.org/twc/ontology/cdm.owl#
    An attempt to represent how universal/accepted/popular a URI is @en
  • conversion - Conversion Ontology
    http://purl.org/twc/vocab/conversion/
    Ontology used to describe interpretations of tabular literals to produce RDF @en
  • snarm - Simple Network Access Rights Management Ontology
    http://rdf.myexperiment.org/ontologies/snarm/
    This ontology is designed for representing access rights within a simple network of associated users/groups @en
  • mv - MobiVoc: Open Mobility Vocabulary
    http://schema.mobivoc.org/
    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 open vocabulary covering various mobility aspects we use RDF (Resource Description Framework) - a recommended specification of the World Wide Web Consortium (W3C) and the so-called lingua franca for the integration of data and web. We invite everyone who is interested to join our MobiVoc initiative and to participate in the development of the Open Mobility Vocabulary. @en
  • odapps - The vocabulary for (L)OD ideas and applications
    http://semweb.mmlab.be/ns/odapps
    odapps is an RDF vocabulary defined to facilitate the description of Open-Data-based ideas and applications published on the Web. @en
  • apps4X - The vocabulary for Co-creation Events based on Open Data
    http://semweb.mmlab.be/ns/apps4X
    apps4X is an RDF vocabulary defined to facilitate the description of Open-Data-based Co-creation events @en
  • spt - SPITFIRE Ontology
    http://spitfire-project.eu/ontology/ns
    TheSPITFIRE Ontology (spt) is based on the alignment among Dolce+DnS Ultralite(dul), the W3C Semantic Sensor Network ontology (ssn) and the Event Model-F ontology (event). @en
  • rsctx - Recommender System Context
    http://softeng.polito.it/rsctx
    This ontology represent context which may be interesting in providing recommendations to users. @en