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  • brk - Key Register Cadastre (BRK) vocabulary
    http://brk.basisregistraties.overheid.nl/def/brk
    Vocabulary for the Dutch key register of the cadastre (BRK) @en
  • cpmeta - Ontology of Integrated Carbon Observation System (ICOS)
    http://meta.icos-cp.eu/ontologies/cpmeta/
    OWL vocabulary describing metadata of two environmental research infrastructures: ICOS and SITES @en
  • puv - Parameter Usage Vocabulary ontology
    https://w3id.org/env/puv
    A simple ontology which implements the Parameter Usage Vocabulary semantic model, as described at https://github.com/nvs-vocabs/P01 @en
  • peco - The Provenance of Emission Calculations Ontology
    https://w3id.org/peco
    This ontology defines a vocabulary for describing provenance traces of carbon emission calculations by capturing the quantifiable measurements of carbon emission sources used by some activities (e.g., electricity used by a machinery to produce a product, petrol used to make a car journey, etc.) and emission conversion factors used to estimate the carbon emissions produced by these. In addition, the ontology provides the ability to capture various data transformations that occurred before energy estimates may be used with relevant conversion factors. For example, sensors may provide raw readings about a water flow of an irrigation rig in an agri-food operation which is then used as a proxy to estimate the total volume of fertilisers used. @en
  • seast - The SEAS Time Ontology.
    https://w3id.org/seas/TimeOntology
    This ontology defines: - a set of subclasses of `seas:Evaluation` to better interpret evaluations of quantifiable properties. - a set of sub properties of `seas:hasProperty` to qualify time-related properties. @en
  • hw - Home Weather
    https://www.auto.tuwien.ac.at/downloads/thinkhome/ontology/WeatherOntology.owl
    Smart home ontology for weather phenomena and exterior conditions @en
  • mso-em - MSO-EM: Ontologies for modelling, simulation, optimization (MSO) and epistemic metadata (EM)
    https://www.purl.org/mso-em
    MSO-EM is a system of ontologies for documenting the knowledge status of models and data; the aim is to make models and data explainable-AI-ready (XAIR). @en
  • w3c-ssn - Semantic Sensor Network Ontology
    https://www.w3.org/ns/ssn
    This ontology describes sensors and observations, and related concepts. It does not describe domain concepts, time, locations, etc. as these are intended to be included from other ontologies via OWL imports. @en
  • earth - The Linked Earth Ontology
    http://linked.earth/ontology#
    The Linked Earth Ontology aims to provide a common vocabulary for annotating paleoclimatology data @en
  • iot-lite - Iot-lite ontology
    http://purl.oclc.org/NET/UNIS/fiware/iot-lite#
    iot-lite is a lightweight ontology based on SSN to describe Internet of Things (IoT) concepts and relationships. @en
  • coreo - Core-o: Competence Reference Ontology
    http://purl.org/coreo
    An ontology to describe competences and human capabilities @en
  • holy - Hydrogen Ontology
    http://purl.org/holy/ns#
    This is the Hydrogen Ontology (HOLY). HOLY is a domain ontology for describing the complex structure of hydrogen-based markets. HOLY contributes to the systemic modeling of the hydrogen domain with a focus on its value chain. Hence, it provides a foundation for retrieval, storage, and delivery of market insights. @en
  • ac - Core terms defined by Audubon Core
    http://rs.tdwg.org/ac/terms/
    This term list includes all currently valid terms that have been defined in the core Audubon Core namespace ac:. @en
  • rooms - Buildings and Rooms Vocabulary
    http://vocab.deri.ie/rooms
    A simple vocabulary for describing the rooms in a building. @en
  • iadopt - I-ADOPT Framework ontology
    https://w3id.org/iadopt/ont
    The I-ADOPT Framework ontology @en