About: http://webisa.webdatacommons.org/219304920

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	The cigarette is the deadliest artifact in the history of human civilization, --- Robert Proctor of Stanford University.
http://www.w3.org/ns/prov#wasQuotedFrom	upenn.edu