About: http://webisa.webdatacommons.org/315953660

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	Placement World History Chief Readers' reports available on http://apcentral.collegeboard.com also report these same types of errors.
http://www.w3.org/ns/prov#wasQuotedFrom	illinois.edu