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About SPARQL

<a href="query-datasets" style="color:#132c56">QUERY DATASETS</a> > About SPARQL

[block:callout] { "type": "warning", "title": "On this page:", "body": " * [Overview](#section-overview)\n * [Access SPARQL](#section-access-sparql)\n * [Get started](#section-get-started)\n * [Resources](#section-resources) " } [/block] ##Overview Use the query language SPARQL (recursively short for SPARQL Protocol and RDF Query Language) to issue queries to the Seven Bridges' public SPARQL endpoint. SPARQL allows you to programmatically query datasets based on metadata attributes. Learn more [about metadata for datasets](about-metadata-for-datasets). The resulting data can be added to a CGC project for further analysis. Learn more about [accessing data from SPARQL](doc:access-data-from-sparql). <div align="right"><a href="#top">top</a></div> ##Access SPARQL The Seven Bridges public SPARQL endpoint is `https://opensparql.sbgenomics.com/blazegraph/namespace/tcga_metadata_kb/sparql`. Issue queries to the SPARQL endpoint in one of two ways: * **Programmatically**: Embed the SPARQL query into a script of your choice * **Via an interactive console**: Seven Bridges has also created an [interactive query console](query-via-sparql), in which you can build and send the queries and receive the filtered data. <div align="right"><a href="#top">top</a></div> ##Get started * Start by [learning about SPARQL](sparql-basics), a query language for RDF that is used to retrieve information about resources structured into RDF triples. * Familiarize yourself with [each dataset's metadata ontology](about-metadata-for-datasets). * Take advantage of Seven Bridges' interactive graph to [explore dataset ontologies as used in SPARQL queries](sparql-metadata-ontologies). * [Use the Seven Bridges Query Console](query-via-sparql) or a script of your choice to issue a SPARQL query. <div align="right"><a href="#top">top</a></div> ##Resources * [SPARQL basics](doc:sparql-basics) * [About metadata for datasets](doc:about-metadata-for-datasets) * [SPARQL metadata ontologies](doc:sparql-metadata-ontologies) * [Query datasets via SPARQL](doc:query-via-sparql) * [Access data from SPARQL](doc:access-data-from-sparql) <div align="right"><a href="#top">top</a></div>