About: http://webisa.webdatacommons.org/223219456

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	I wonder if this is true and whether we didn't learn anything from our mistakes.There was a time when heroin was made into a medicine [wikipedia.org] by a medical company in Europe.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org