About: http://webisa.webdatacommons.org/202142173

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	Since we live in the real world, we also would need to impose on the results the computer would generate restrictions on such practical things as cost, thickness, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	pffc-online.com