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:

... accessible wherever you want it to be (the Web)

Makes it easier to Search for, Share, Aggregate and Extend data