About: http://webisa.webdatacommons.org/41997347

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	If the count of the reference counter is zero, referencing is not performed by the pointers other than the weak pointer.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com