About: http://webisa.webdatacommons.org/340641261

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	Because if that work differently, spammers would register to your board and leave all sort of URLs to their own website in their profiles and signatures to create eventually lots of external links to their website,
http://www.w3.org/ns/prov#wasQuotedFrom	invisionpower.com