About: http://webisa.webdatacommons.org/80246631

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	Replace(filename,' ' , '_', 'ALL') or use the UUID method which will solve all your problems including uploading files with the same name.
http://www.w3.org/ns/prov#wasQuotedFrom	dreamincode.net