About: http://webisa.webdatacommons.org/311662686

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	Students can also purchase Premium Content access to features such as chapter pre- and post-tests, narrated PowerPoint slides, and content that can be downloaded to your iPod.
http://www.w3.org/ns/prov#wasQuotedFrom	mheducation.com