About: http://webisa.webdatacommons.org/456498402

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	And we were able to actually look at the interaction between supply and demand, which is sort of the fundamental factor that law enforcement is designed to get at in dealing with drug problems.
http://www.w3.org/ns/prov#wasQuotedFrom	pbs.org