About: http://webisa.webdatacommons.org/165526087

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 the OP mentioned cost is an issue, the cost of ports needs to be added in.
http://www.w3.org/ns/prov#wasQuotedFrom	wetpixel.com