About: http://webisa.webdatacommons.org/375554489

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 hate this analogy, but I will use it here, an engine is a air pump so it will pump air both ways it just depends what way the crank is spinning.
http://www.w3.org/ns/prov#wasQuotedFrom	powerstroke.org