About: http://webisa.webdatacommons.org/93327122

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	Of course, it is now now and there is an explanation, so that should answer your question.
http://www.w3.org/ns/prov#wasQuotedFrom	explainxkcd.com