About: http://webisa.webdatacommons.org/188154541

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	For teachers who care to devote the time and effort, the ability to customize textbooks is a plus; but avoiding the need to make choices is a big part of the value added by traditional textbooks.
http://www.w3.org/ns/prov#wasQuotedFrom	discovermagazine.com