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  • rdag2 - RDA Group 2 Elements
    http://rdvocab.info/ElementsGr2
    The second group of metadata elements defined by RDA @en
  • cgov - Central Government Ontology
    http://reference.data.gov.uk/def/central-government
    An ontology of UK central government @en
  • rdafrbr - FRBR Entities for RDA
    http://rdvocab.info/uri/schema/FRBRentitiesRDA
    Defines the core RDA classes, including FRBR levels Work, Expression, Manifestation and Item. @en
  • reegle - Renewable Energy and Energy Efficiency
    http://reegle.info/schema
    Vocabulary used to describe clean energy actors, projects and technologies @en
  • odv - Organogram Data Vocabulary
    http://reference.data.gov.uk/def/organogram
    Extension of data cube for civil service junior posts @en
  • lc - The Linked Connections ontology
    http://semweb.mmlab.be/ns/linkedconnections#Ontology
    This ontology provides the predicates necessary to describe a connection or hop from one transit stop to another. @en
  • oh - The Opening Hours vocabulary
    http://semweb.mmlab.be/ns/oh
    A vocabulary to describe opening hours using calendars (recommended: iCal, RDFCal or schema.org) published on the Web. @en
  • dqc - The Data Quality Constraints Library
    http://semwebquality.org/ontologies/dq-constraints
    This RDF document contains a library of data quality constraints represented as SPARQL query templates based on the SPARQL Inferencing Framework (SPIN). The data quality constraint templates are especially useful for the identification of data quality problems during data entry and for periodic quality checks during data usage. @en
  • rsctx - Recommender System Context
    http://softeng.polito.it/rsctx
    This ontology represent context which may be interesting in providing recommendations to users. @en
  • swpo - Semantic Web Portal Ontology
    http://sw-portal.deri.org/ontologies/swportal
    The aim of the Semantic Web Portal Ontology is to serve as the conceptual backbone for community portals driven by Semantic Web technologies. @en
  • ceon-cvn - Circular Economy Ontology Network (CEON) - Circular Value Network Module
    http://w3id.org/CEON/ontology/cvn/
    A core module of the CEON ontology network, defining aspects of the circular value network (CVN) itself. @en
  • rml-star - RML-star
    http://w3id.org/rml/star/
    RML module for generating RDF-star graphs @en
  • rml-cc - RML-Containers
    http://w3id.org/rml/cc/
    RML module to generate RDF collections and containers @en
  • attack - MITRE ATT&CK Ontology
    http://w3id.org/sepses/vocab/ref/attack
    An ontology to represent MITRE ATT & CK. This ontology is developed based on the MITRE ATT & CK (https://attack.mitre.org/) @en
  • biopax - BioPAX Level 3 ontology
    http://www.biopax.org/release/biopax-level3.owl
    The goal of the BioPAX group is to develop a common exchange format for biological pathway data. More information is available at http://www.biopax.org. This ontology is freely available under the LGPL license @en