About: http://webisa.webdatacommons.org/450647444

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	Passing an argument when none is expected will not break anything and can not you just pass in a NULL when there is an argument expected that can not be provided?
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com