About: http://webisa.webdatacommons.org/177968144

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	Also, there was a freebie mentioned in the blog of the Soundflower site (Amoeba - LineIn) which may also do the trick.
http://www.w3.org/ns/prov#wasQuotedFrom	superuser.com