About: http://webisa.webdatacommons.org/180247610

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	15:34:05 [jorn]example: e2 is derived from e1, then e2 is the most recent entity and e1 is older, so edge points to past
http://www.w3.org/ns/prov#wasQuotedFrom	w3.org