The Semantic Web isn't just about putting data on the web. It
is about making links, so that a person or machine can explore the web
of data. With linked data, when you have some of it, you can
find other, related, data.
Kowari is an Open Source, massively scalable, transaction-safe, purpose-built database for the storage, retrieval and analysis of metadata. Kowari is written in Java and licensed under the Mozilla Public License.