About: http://webisa.webdatacommons.org/154314219

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	Ok, I???m including two patches here, the first seems to be what you are asking for in this thread and uses exactly the technique I suggested, ie drawing from jit.sketch used as a mask:
http://www.w3.org/ns/prov#wasQuotedFrom	cycling74.com