About: http://webisa.webdatacommons.org/377478470

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	Works such as workbooks, standardized tests, test booklets/answer sheets may not be copied.
http://www.w3.org/ns/prov#wasQuotedFrom	ptc.edu