About: http://webisa.webdatacommons.org/390529658

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	Perhaps eventually they will comment or answer this question themselves or other answers will be up voted as more relevant.
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com