About: http://webisa.webdatacommons.org/231014418

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	We know who the smokers are, however, and we know who the vapers are, so if vaping rises sharply and smoking falls sharply there is a good a priori case for assuming that the former led to the latter.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.cz