About: http://webisa.webdatacommons.org/191430117

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	If so, then I do not see a problem, since it really is a de facto standard - and those appear all the time.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org