About: http://webisa.webdatacommons.org/18908871

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	I guess the rational behind saying null is a bad thing is because it has different semantics as a default pointer than the standard default values.
http://www.w3.org/ns/prov#wasQuotedFrom	java-gaming.org