The Internet and the World-Wide Web have solved the basic problems of information transmission; the next major advance will come from resolving the deeper issues of semantic interoperability.
The Open Group has established the Semantic Interoperability Work Group to advance understanding and the state of the art of semantic interoperability.
The UDEF is a standard way of indexing enterprise information that can produce big cost savings. The UDEF project is the most important activity of the Semantic Interoperability Work Group.