<aside> 💡 Useful commands:
SELECT * FROM DB.DBA.SYS_USERS;RDF_GLOBAL_RESET (); (have to reload cartridges)</aside>
OpenLink Virtuoso is a versatile data management system and middleware platform. It supports multiple data models, high-performance querying, graph databases, data virtualization, full-text search, and web application hosting. It's known for its scalability, security, and adherence to open standards, making it useful in various applications, including data integration and semantic web solutions.
A data virtualization service that transforms data hosted in a variety of data spaces and formats into standards compliant Linked Data Objects for uniform access, integration and management. The underlying technology is Virtuoso's in-built Linked Data Middleware (aka Sponger) that uses URLs as data source names for its powerful data ingestion and transformation services that result in highly navigable Linked Data Object graphs.
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Apache Jena is an open-source Java framework for building semantic web and linked data applications. It provides tools for working with RDF (Resource Description Framework) data, including parsing, querying, and reasoning capabilities. Jena is widely used for developing applications that process and analyze semantic data, making it easier to work with linked data and the semantic web.