About: http://webisa.webdatacommons.org/114213197

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	Your patch fixed most of the problem except for the case that when the student press Cancel button in Multiple file upload.
http://www.w3.org/ns/prov#wasQuotedFrom	moodle.org