About: http://webisa.webdatacommons.org/15423502

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	I hope this help, This is base on my experiment, please notice that there are many way to do this thing and maybe this one is not what you are looking for, but is an idea
http://www.w3.org/ns/prov#wasQuotedFrom	cakecentral.com