About: http://webisa.webdatacommons.org/41669645

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	In Java, and any other strongly typed language, I believe you will need to think carefully about whether a particular null should implement equals" and hashCode, and what those implementations should be.
http://www.w3.org/ns/prov#wasQuotedFrom	c2.com