SPARQL: Difference between revisions

Latest revision as of 23:31, 4 March 2019

SPARQL is a query language for graphs composed of subject-predicate-object RDF triplets.

Copyleft or free-of-charge implementations of SPARQL endpoint ability producing software alternatives

Tools

http://d2rq.org/ - Enables writing queries in SPARQL that actually access traditional relational database and receiving results and RDF graphs. Could be very useful as glue code between MediaWiki's data in the MariaDB and the public and private SPARQL databases

See also

External links

http://sparql-playground.sib.swiss/help/doc/about - SPARQL playground is a standalone multi-platform web application used to learn SPARQL

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-{{Q|'''SPARQL''' is a [[w:recursive acronym|recursive acronym]] and stands for '''SPARQL Protocol and RDF Query Language'''). It is an [[w:RDF query language|RDF query language]], that is, a [[w:Semantic_Query|semantic]] [[w:query language|query language]] for [[w:database|database]]s, able to retrieve and manipulate data stored in [[w:Resource Description Framework|Resource Description Framework (RDF)]] format.|Wikipedia|[[w:SPARQL|SPARQL]]}}
+SPARQL is a query language for graphs composed of subject-predicate-object RDF triplets.
+* See [[w:List of SPARQL implementations]] for all [[w:triplestores]] that provide SPARQL querying endpoint
+* See [[w:List of subject-predicate-object databases]] for purpose built triplestores.
+'''Copyleft or free-of-charge implementations of SPARQL endpoint ability producing software alternatives'''
+* [[w:Virtuoso Universal Server]] - http://virtuoso.openlinksw.com/download/ - GPL and proprietary
+''' Tools '''
+* http://d2rq.org/ - Enables writing queries in SPARQL that actually access traditional relational database and receiving results and RDF graphs. Could be very useful as glue code between MediaWiki's data in the MariaDB and the public and private SPARQL databases
+''' See also '''
+* [[Databases]] offers a wider view into this
+''' External links '''
+* http://sparql-playground.sib.swiss/help/doc/about - SPARQL playground is a standalone multi-platform web application used to learn SPARQL