<http://webisa.webdatacommons.org/101678046>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/474830297>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/101678046> .
<http://webisa.webdatacommons.org/101678046>	<http://www.w3.org/ns/prov#value>	"Copy protection is an issue, but it is a surmountable one: I have bought specialized business publications costing hunbdreds of dollars that were delivered as unencrypted PDF files." .
<http://webisa.webdatacommons.org/101678046>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<hasbrouck.org> .