About: http://webisa.webdatacommons.org/55174757

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	The datenum function returns errors if it is something other than a date.
http://www.w3.org/ns/prov#wasQuotedFrom	compgroups.net