About: http://webisa.webdatacommons.org/157441117

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	Its use is not particularly dangerous when there is only one reader and writer, but in non-trivial computational systems, where more than one exists, assumptions made for convenient computation may be violated.
http://www.w3.org/ns/prov#wasQuotedFrom	c2.com