About: http://webisa.webdatacommons.org/260860108

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	I know that eMusic and some other services used to advertise their presence in the ID3 comment tag of the MP3, but this would seem to be wholeheartedly more effective.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org