About: http://webisa.webdatacommons.org/131662991

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	Then Duplicate this layer (Layer > Duplicate Layer or Command/Ctrl J) and delete it all except the shadow that should be right under the base.
http://www.w3.org/ns/prov#wasQuotedFrom	tutsplus.com