Definition
RDF (Resource Description Framework) is a W3C standard (1999) for representing information about resources on the web and in data models. RDF describes data as triples: subject–predicate–object, for example 'Transformer_42 - hasVoltage - 132kV'. This simple structure makes it possible to link data from different sources without a common schema - the foundational principle of the semantic web and Linked Data. RDF can be serialised in several formats: RDF/XMLExtensible Markup Language - universal markup language for structured data, standard in Elhub's Ediel messages. (most widely used in the energy sector), Turtle, JSONJavaScript Object Notation - lightweight data format for data exchange between systems, standard in REST APIs.-LD, and N-Triples. In the power industry, RDF is known as the serialisation format for CIMCommon Information Model - IEC standard for semantic modeling of the electricity system, the basis for data exchange between TSOs across Europe. (Common Information Model): an IECInternational Electrotechnical Commission - global standards body for electrotechnology and power systems. CIM network model is exported as RDF/XML and contains thousands of triples describing network components and their relationships. SPARQL is the query language for RDF data, analogous to SQL for relational databases. TvimenningOld Norse meaning 'two bound together' - one who solves a task shoulder to shoulder with another. has team members with experience in RDF-based CIM modelling - an expertise in high demand in projects involving ENTSO-EEuropean Network of Transmission System Operators for Electricity - collaborative body for European TSOs coordinating joint grid operations and regulations. CGMESENTSO-E's European profile of CIM - the narrowed format TSOs actually use to exchange grid models across borders. and TSOTransmission System Operator - responsible for operation and balance of the transmission grid at national level./DSODistribution System Operator - grid company that operates the distribution network and is responsible for electricity supply to end users. integrations.