About: http://webisa.webdatacommons.org/413735715

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	IMO it is beyond the purview of the sort of thing you can really get an answer for without asking an expert, and possibly paying them a bit for their time.
http://www.w3.org/ns/prov#wasQuotedFrom	metafilter.com