About: http://webisa.webdatacommons.org/180524518

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	I have not tried it, but apparently it even works with leaves and other organic materials.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com