About: http://webisa.webdatacommons.org/120009319

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	Stamps are usually rectangular, but triangles or other shapes are occasionally used.
http://www.w3.org/ns/prov#wasQuotedFrom	wikipedia.org