About: http://webisa.webdatacommons.org/236279125

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	Since 1989 the Commonwealth has conducted a biennial survey of youth in the 6th, 8th 10th and 12 grades to gather information about their knowledge, attitudes and behaviors toward alcohol, tobacco and other drug use.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com