About: http://webisa.webdatacommons.org/300492292

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	One note, however- if the mask is a shape other than a rectangle you will still see the white of the page behind the object since graphics files are always formatted as square or rectanglar pages.
http://www.w3.org/ns/prov#wasQuotedFrom	freerepublic.com