About: http://webisa.webdatacommons.org/191507404

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 a web page is pointed to by a forward link, one can say that there is a back link to the other web page.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com