About: http://webisa.webdatacommons.org/299289984

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	century, trade in metals, such as gold, iron and copper and regulated products
http://www.w3.org/ns/prov#wasQuotedFrom	jhu.edu