About: http://webisa.webdatacommons.org/144321526

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	> So, in the majority of types of cases, uninitialized_var() is the wrong
http://www.w3.org/ns/prov#wasQuotedFrom	ozlabs.org