About: http://webisa.webdatacommons.org/410929458

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	Buried in the article is a pointer to a timestamping MVCC data store that was new to me: Metamarkets's Druid
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com