About: http://webisa.webdatacommons.org/188021278

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	You can then erase the white (Color/Color to alpha) and get an image that is transparent except for the strokes.
http://www.w3.org/ns/prov#wasQuotedFrom	gimpchat.com