About: http://webisa.webdatacommons.org/296740458

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	Free market for publishing, which means teacher has total autonomy as to the resources he/she wants to use including textbooks.
http://www.w3.org/ns/prov#wasQuotedFrom	blogspot.com