About: http://webisa.webdatacommons.org/222900251

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	???(8) Material that is self-produced.???The term ???material that is self-produced??? means a material, such as a part or ingredient, produced by a producer of a good and used by the producer in the production of another good.
http://www.w3.org/ns/prov#wasQuotedFrom	cornell.edu