PUBLIC MARKS with tags database & rdf

D2R Server is a tool for publishing relational databases on the Semantic Web.

It enables RDF and HTML browsers to navigate the content of the database,

and allows applications to query the database using the SPARQL query language.

Sparrow is a library that provides a high-level API for RDF Databases. Any database the provides support for SPARQL Queries and has a triplestore that can handle contexts can be used as a backend.

The goal of Sparrow is to make sure all these different backends act the same, making it possible to change RDF Database backends without having to change your code.

Sparrow is a library that provides a high-level API for RDF Databases. Any database the provides support for SPARQL Queries and has a triplestore that can handle contexts can be used as a backend.

The goal of Sparrow is to make sure all these different backends act the same, making it possible to change RDF Database backends without having to change your code.

4store is a database storage and query engine that holds RDF data. It has been used by Garlik as their primary RDF platform for three years, and has proved itself to be robust and secure.

4store's main strengths are it's performance, scalability and stability. It does not provide many features over and above RDF storage and SPARQL queries, but if your are looking for a scalable, secure, fast and efficient RDF store, then 4store should be on your shortlist.