About: http://webisa.webdatacommons.org/64579426

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	Sites such as amazon.com, ebay.com, and half.com also sell used and new textbooks, often for less than your local college bookstore.
http://www.w3.org/ns/prov#wasQuotedFrom	stretcher.com