About: http://webisa.webdatacommons.org/447785147

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	A mask is an image, portion, or component of an image that defines which pixels, paint strokes, and titling characters affect the image.
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr