I've been thinking a while about how the expressive means of the Semantic Web could be used for art, how those abstract but powerful mechanisms and vocabularies could be used for artistic reflection on this new meta-medium.
I don't actually have too good an overview on the net art scene, perhaps there are already lots of folks playing and producing? Hello, is there anybody?
Anyway, I guess I might have found something at Viper Basel today: GeneralNews - Ein Plädoyer für die Abstraktion by Daniela Alina Plewe et al., a web-based software using the Princeton WordNet for semantic alteration of text on the axis abstract<->specific:

General News is an interactive metabrowser which substitutes in real-time the words on websites. The substitutions may be synonym, abstract or more specific than the original expressions. By these variations new descriptions of the world and descriptions of "new" worlds are created.

More, please!