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  • dbowl - Relational to Ontology Mapping Primitive
    http://ontology.cybershare.utep.edu/dbowl
    Primitive ontology for database to Semantic Web mapping which subsumes classes that represent mappings to explicit OWL constructs, such as OWL class, object property, data property, etc. Classes in this ontology are populated by individuals representing components of the database schema being mapped. @en
  • open311 - Open 311 Ontology: An Ontology for publishing a city's non-emergency events.
    http://ontology.eil.utoronto.ca/open311.owl
    Open 311 Ontology This ontology generalizes the concepts that appear in 311 open data files published by several cities (Toronto, New York, Chicago, Vancouver) across North America. It provides a generis representation of 311 data that other cities can map their data onto and be used as a means of achieving interoperability. @en
  • aws - Ontology for Meteorological sensors
    http://purl.oclc.org/NET/ssnx/meteo/aws
    This ontology is part of the Agriculture Meteorology example showcasing the ontology developed by the W3C Semantic Sensor Networks incubator group (SSN-XG). It is published here in order to generalize the potential usage and the alignment with other standardization efforts of the SSN ontology. @en
  • qu - Quantity Kinds and Units
    http://purl.oclc.org/NET/ssnx/qu/qu
    This ontology is partially based on the SysML QUDV (Quantities, Units, Dimensions and Values) proposed by a working group of the SysML 1.2 Revision Task Force (RTF), working in close coordination with the OMG MARTE specification group. In order to generalize its potential usage and alignment with other standardization efforts concerning quantities and units, the QU ontology has been further developed as a complement to the Agriculture Meteorology example showcasing the ontology developed by the W3C Semantic Sensor Networks incubator group (SSN-XG). @en
  • event - The Event Ontology
    http://purl.org/NET/c4dm/event.owl
    This ontology deals with the notion of reified events - events seen as first-class objects. @en
  • limoo - License Model Ontology
    http://purl.org/LiMo/0.1#
    A vocabulary to describe licenses @en
  • semsur - The Semantic Survey Ontology (semsur)
    http://purl.org/SemSur/
    SemSur, the Semantic Survey Ontology, is a core ontology for describing individual research problems, approaches, implementations and evaluations in a structured, comparable way. @en
  • dce - Dublin Core Metadata Element Set
    http://purl.org/dc/elements/1.1/
    The Dublin Core Metadata Element Set is a vocabulary of fifteen properties for use in resource description. The name "Dublin" is due to its origin at a 1995 invitational workshop in Dublin, Ohio; "core" because its elements are broad and generic, usable for describing a wide range of resources. @en
  • dcterms - DCMI Metadata Terms
    http://purl.org/dc/terms/
    an up-to-date specification of all metadata terms maintained by the Dublin Core Metadata Initiative, including properties, vocabulary encoding schemes, syntax encoding schemes, and classes. @en
  • ru - Representational Units Metadata Ontology
    http://purl.org/imbi/ru-meta.owl
    Draft for a recommendation for metadata on Representational Units (RU) which appear in ontologies. It is so far harmonized for implementation through owl annotation properties. @en
  • eem - The EPCIS Event Model
    http://purl.org/eem
    This vocabulary is based on the EPC Information Services Specification http://www.gs1.org/sites/default/files/docs/epc/epcis_1_0_1-standard-20070921.pdf @en
  • gufo - gUFO: A Lightweight Implementation of the Unified Foundational Ontology (UFO)
    http://purl.org/nemo/gufo#
    The objective of gUFO is to provide a lightweight implementation of the Unified Foundational Ontology (UFO) [1-5] suitable for Semantic Web OWL 2 DL applications. Intended users are those implementing UFO-based lightweight ontologies that reuse gUFO by specializing and instantiating its elements. There are three implications of the use of the term lightweight. First of all, we have employed little expressive means in an effort to retain computational properties for the resulting OWL ontology. Second, we have selected a subset of UFO-A [1, 2] and UFO-B [3] to include here. In particular, there is minimalistic support for UFO-B (only that which is necessary to establish the participation of objects in events and to capture historical dependence between events). Third, a lightweight ontology, differently from a reference ontology, is designed with the purpose of providing an implementation artifact to structure a knowledge base (or knowledge graph). This has driven a number of pragmatic implementation choices which are discussed in comments annotated to the various elements of this implementation. The 'g' in gUFO stands for gentle. At the same time, "gufo" is the Italian word for "owl". For the source repository, see: <https://github.com/nemo-ufes/gufo> @en
  • sdmx - SDMX-RDF vocabulary
    http://purl.org/linked-data/sdmx
    This vocabulary extends the data cube vocabulary to support publication of statistical data in RDF, using an information model based on SDMX @en
  • sdmx-code - SDMX Code
    http://purl.org/linked-data/sdmx/2009/code
    Defines subclasses and instances of codes used in SDMX, such as currencies, decimals, frequencies ... @en
  • sdmx-dimension - SDMX Dimension
    http://purl.org/linked-data/sdmx/2009/dimension
    Defines dimensions for the statistical "cubes" defined by SDMX @en