About: http://webisa.webdatacommons.org/453145087

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	The value is a positive integer set by the client when making each request to the number of seconds elapsed from a fixed point in time (e.g. January 1, 1970 00:00:00 GMT).
http://www.w3.org/ns/prov#wasQuotedFrom	javacodegeeks.com