This blog series(3) shows how to setup a fully-functioning RDF triplestore on the Oracle Public Cloud. We will show how configure Oracle Spatial and Graph – RDF Semantic Graph on an existing Oracle Database Cloud Service (DBCS) instance. In this example, we will use Oracle Database version 18.1.
Part 1 explains how to create a DBCS instance, refer to the tutorial link below and the HOW-TO document at the end of this blog. Subsequent posts in this blog series will show how to load a publicly-available RDF dataset and configure a W3C-standard SPARQL endpoint.
Part 2 will show how to use SQL Developer to load some publicly available RDF data into our DBCS instance and execute a few SPARQL queries with SQL Developer's SPARQL query editor.
Part 3 we will complete the setup of our RDF triplestore in the Oracle Public Cloud by configuring a W3C-standard SPARQL endpoint.
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Support for these open source technologies now includes Apache Jena 3.1.0 and Apache Jena Fuseki 2.4.0, both standalone and web application versions.
It also includes dynamic SPARQL endpoint and CSRF protection, updated support for Protege Desktop 5.0, optimized support for SPARQL 1.1 query syntax and a smart router for small to medium size RDF/OWL datasets.
This set of adapters and plugins provides a feature rich Java-based interface to RDF Knowledge Graph that implements the well-known Apache Jena Graph, Model, BulkUpdateHandler, and DatasetGraph APIs. It supports SPARQL 1.1 and OGC GeoSPARQL queries. It runs on Oracle WebLogic Server, as well as Apache Tomcat and JBoss Application Servers. It includes a SPARQL Gateway for tools that support an XML data source to query an RDF Graph in Oracle Database. New Oracle Support for Apache Jena and Fuseki, and Protégé Desktop with 19c support, look for March 2019 download
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