About: http://webisa.webdatacommons.org/115359737

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	But, like you alluded to, this is a lot of work especially for an infrequently used item.Each of the above only apply after the item has been inserted in the drawing.
http://www.w3.org/ns/prov#wasQuotedFrom	vectorworks.net