About: http://webisa.webdatacommons.org/88780401

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	you may want to ask...uh... some of the people who have managed to crack steam. most of those programs are open source and you could look in those to see how they are doing it.
http://www.w3.org/ns/prov#wasQuotedFrom	facepunch.com