Linked Open Vocabularies

http://www.w3.org/ns/hydra/core

A lightweight vocabulary for hypermedia-driven Web APIs @en

locn- ISA Programme Location Core Vocabulary

http://www.w3.org/ns/locn

The ISA Programme Location Core Vocabulary provides a minimum set of classes and properties for describing any place in terms of its name, address or geometry. The vocabulary is specifically designed to aid the publication of data that is interoperable with EU INSPIRE Directive. @en

rr- RDB to RDF Mapping Language Schema

http://www.w3.org/ns/r2rml#

A vocabulary which can be used to specify a mapping of relational data to RDF. @en

rdfa- RDFa Vocabulary for Term and Prefix Assignment, and for Processor Graph Reporting

http://www.w3.org/ns/rdfa#

This document describes the RDFa Vocabulary for Term and Prefix Assignment. The Vocabulary is used to modify RDFa 1.1 processing behavior @en

rdft- The RDF 1.1 Test Vocabulary

http://www.w3.org/ns/rdftest

This is a vocabulary document and is used to define classes and properties used in RDF 1.1 Test Cases and associated test manifests. The URI of the vocabulary is http://www.w3.org/ns/rdftest# (abbreviated by rdft: in this document). Turtle and an JSON-LD versions of the vocabulary are also available. The vocabulary is published by W3C. @en

sosa- Sensor, Observation, Sample, and Actuator (SOSA) Ontology

http://www.w3.org/ns/sosa/

This ontology is based on the SSN Ontology by the W3C Semantic Sensor Networks Incubator Group (SSN-XG), together with considerations from the W3C/OGC Spatial Data on the Web Working Group. @en

ssn- Semantic Sensor Network Ontology

http://www.w3.org/ns/ssn/

This ontology describes sensors, actuators and observations, and related concepts. It does not describe domain concepts, time, locations, etc. these are intended to be included from other ontologies via OWL imports. @en

caso- Context Aware System Observation Ontology

http://www.w3id.org/def/caso#

CASO (Context Aware System Observation) is an ontology for context aware system and observation services. Its goal is to describe all the processing of the context. @en

uiot- Urban IoT Ontologies - Core Module

http://www.w3id.org/urban-iot/core

Core module of the suite of ontologies for urban IoT devices. @en

uiote- Urban IoT Ontologies - Electric Mobility Module

http://www.w3id.org/urban-iot/electric

Electric Mobility module of the suite of ontologies for urban IoT devices. @en

d2rq- D2RQ - Language Specification

http://www.wiwiss.fu-berlin.de/suhl/bizer/D2RQ/0.1

This document specifies the D2RQ mapping language. D2RQ is a declarative language to describe mappings between relational database schemata and OWL/RDFS ontologies. @en

atd- Air Traffic Data

https://data.nasa.gov/ontologies/atmonto/data#

Defines concepts related to airport status, including weather, forecasts, and airport operations @en

atts- Air Traffic Temporal and Spacial Vocabulary

https://data.nasa.gov/ontologies/atmonto/general#

Defines temporal / spatial concepts and general-purpose datastructures @en

tresiot- Ontology for Trust Recommendation in Social Internet of Things

https://liidr.org/trust-recommendation-in-social-internet-of-things/

This ontology models trust recommendation concepts in SIoT to bridge the gap between abstract trust concepts and real-world device concepts. @en

saref- SAREF: the Smart Appliances REFerence ontology

https://saref.etsi.org/core/

The Smart Appliances REFerence (SAREF) ontology is a shared model of consensus that facilitates the matching of existing assets (standards/protocols/datamodels/etc.) in the smart appliances domain. The SAREF ontology provides building blocks that allow separation and recombination of different parts of the ontology depending on specific needs. @en