About: http://webisa.webdatacommons.org/396100412

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	By drawing layer I mean a layer where the user can manually draw lines, circles or other shapes.
http://www.w3.org/ns/prov#wasQuotedFrom	stackoverflow.com