About: http://webisa.webdatacommons.org/54123770

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	??An unofficial market in goods or currencies, especially in a country with a controlled economy??
http://www.w3.org/ns/prov#wasQuotedFrom	oxforddictionaries.com