About: http://webisa.webdatacommons.org/186521641

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	Looking at the costs just from the US side, the figure that the authors come up with is $4.5 trillion dollars and that this figure is a conservative estimate.
http://www.w3.org/ns/prov#wasQuotedFrom	wordpress.com