About: http://webisa.webdatacommons.org/31969906

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	See http://www.perforce.com/perforce/papers/bestpractices.html for a detailed explanation of each of them and other best practice.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com