About: http://webisa.webdatacommons.org/129289249

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	time but not to the point where you are willing to drop $1,500 on one, here is a much simpler and cheaper alternative you can build yourself.
http://www.w3.org/ns/prov#wasQuotedFrom	regator.com