About: http://webisa.webdatacommons.org/441462731

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	Of course, one of the solutions was to just disable GL and fallback to QPainter, without adding any new functionality, but lots of new code.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com