About: http://webisa.webdatacommons.org/212639309

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	A cow is a cow because it has the essence of cowness, it cannot be a sheep because it would have to somehow aquire the essence of sheepness in one fell swoop.
http://www.w3.org/ns/prov#wasQuotedFrom	scienceblogs.com