About: http://webisa.webdatacommons.org/109010217

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	Although doing so leads to some level of overhead (on write operations), this cost may be warranted for some types of data and may still provide much better performance than storing data in secondary storage (via a database).
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca