About: http://webisa.webdatacommons.org/355588360

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	Below is a graph showing the relative price increases of textbooks to other goods from 1978 - 2010.
http://www.w3.org/ns/prov#wasQuotedFrom	liberalorder.com