About: http://webisa.webdatacommons.org/121160816

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	they work like in my source, i.e. everything is imported with cv prefix
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com