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<http://webisa.webdatacommons.org/345649841>	<http://www.w3.org/ns/prov#value>	"Access to most of the materials is free," .
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<http://webisa.webdatacommons.org/345649841>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<docstoc.com> .