About: http://webisa.webdatacommons.org/438458355

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	Any layer other than the background layer that is, but he is consistent with how the full version of Photoshop handles layer masks.
http://www.w3.org/ns/prov#wasQuotedFrom	earthboundlight.com