About: http://webisa.webdatacommons.org/273352569

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	will demand various things; just try your spell checker (which also checks your grammar) and see if you agree with the kinds of decisions it makes about your usage.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu