About: http://webisa.webdatacommons.org/35680237

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	Putting defensive programming aside, there is another reason why using accessors, within a hierarchy or even in the class itself is a good idea:
http://www.w3.org/ns/prov#wasQuotedFrom	phpfreaks.com