What Is the Semantic Web?

"The Semantic Web is an extension of the current web in which information is given well-defined meaning, better enabling computers and people to work in cooperation."

...Tim Berners-Lee et al., The Semantic Web, Scientific American, May 2001

Provides machine-processable global standards:

• Unambiguous names (URIs)
• Model for expressing information, especially meta data (RDF)
• Ontologies (OWL)

... making it easier to Aggregate, Share, Find, Extend data.