Technology
DCAT, DCAT-AP
DCAT (Data Catalogue Vocabulary) is a standard developed by the W3C organization for describing datasets in data catalogs.
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Data glossarySPARQL
SPARQL
Knowledge organizationTechnology
SPARQL is a query language for databases. It allows retrieval and manipulation of data stored in Resource Description Framework (RDF) format.
It is also recognized as one of the key technologies of the semantic web.
In practice
An example of a SPARQL query:
SELECT ?capital ?country WHERE { ?x ex:cityname ?capital ; ex:isCapitalOf ?y . ?y ex:countryname ?country ; ex:isInContinent ex:Africa . }
Related terms
Technology
Identifier
The name of an object or concept in a database. An identifier may be the name of a variable, a unique ID, or a web address (URL).
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Open data
Linked Open Data
Linked data is structured data which is interlinked with other data so it becomes more useful through semantic queries.
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