About: http://webisa.webdatacommons.org/19506336

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	For items that cannot be copied, such as a test, survey, or assignment, the Copy option does not appear in the item???s contextual menu.
http://www.w3.org/ns/prov#wasQuotedFrom	blackboard.com