About: http://webisa.webdatacommons.org/99795051

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 found a method that seems to work for some apps, including Twitter, Pandora, Hulu+, Crosswords, Facebook, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	barnesandnoble.com