The Semantic Web provides a common framework that allows data to be shared and reused across application, enterprise, and community boundaries. It is a collaborative effort led by W3C with participation from a large number of researchers and industrial partners. It is based on the Resource Description Framework (RDF).
You can also consult the home page of the group for further details and to monitor progress.[...] examine and classify existing approaches to mapping relational data into RDF and decide whether standardization is possible and/or necessary in this area and, if so, the direction such standardization could take. The goal is to specify how to generate RDF triples from one or more Relational tables without loss of information. Furher, a default mapping should not be used, but, instead, it should be possible for the the mapping to be customized by the user.
[...] examine and classify existing approaches to mapping OWL classes to Relational data, or, more accurately, SQL queries, moving towards the goal of defining a standard in this area.