About: http://webisa.webdatacommons.org/52565618

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	The book referenced above is a great resources, as is the mailing list.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com