About: http://webisa.webdatacommons.org/150538901

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	If cost or availability are an issue for you, here are some sites that tell you how to make your own.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com