About: http://webisa.webdatacommons.org/50239480

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	Spence's blog post is the best on the topic, all the background and then the specific how to: http://www.harbar.net/articles/sp2010ups.aspx
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com