About: http://webisa.webdatacommons.org/235157291

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	It attempts to show a class that is mostly a struct but has some private housekeeping data.
http://www.w3.org/ns/prov#wasQuotedFrom	gotw.ca