<http://webisa.webdatacommons.org/prov/304029157>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/101497961> .
<http://webisa.webdatacommons.org/101497961>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/101497961>	<http://www.w3.org/ns/prov#value>	"Cost is the most obvious reason, since the devices will generally be used once and then discarded." .
<http://webisa.webdatacommons.org/101497961>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .