About: http://webisa.webdatacommons.org/425278249

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	.validate_unsigned_int(v) ??? Boolean Requires that the value is a Fixnum or Integer and is greater or equal to 0
http://www.w3.org/ns/prov#wasQuotedFrom	rubydoc.info