This appendix covers common Linked Data terms and their definitions. Terminology is constantly growing and evolving, and as Linked Data continues to expand, so too will the language around it.

Apache Jena

An open source software implementation of a Semantic Web development framework. Supports the storage, retrieval, and analysis of RDF information. See


A Linked Data management system (or application server for Linked Data). Supports the building of Linked Data applications. See


See content negotiation.

Content negotiation

In HTTP, the use of a message header to indicate which response formats a client will accept. Content negotiation allows HTTP servers to provide ...

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