About: http://webisa.webdatacommons.org/209447300

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	By the moment I just have read a press release but it seems there is a paper published somewhere (in fact: here, pay per view/subscription) with more details.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com