About: http://webisa.webdatacommons.org/269560540

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	Beware, this method allow you to know to whom request was sent but it is not allow you to ensure that visitor is the same person (it takes nothing to fake request accept if someone know request id).
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com