About: http://webisa.webdatacommons.org/227871409

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	All the major countries were invited. 13 states agreed to control the traffic in opium and its derivatives, particularly morphine.
http://www.w3.org/ns/prov#wasQuotedFrom	skycitygallery.com