About: http://webisa.webdatacommons.org/248471802

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	It prevents different origins from interacting with each other, to prevent attacks such as Cross Site Request Forgery.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com