<http://webisa.webdatacommons.org/prov/417797214>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/377178545> .
<http://webisa.webdatacommons.org/377178545>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/377178545>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/83317065>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/377178545> .
<http://webisa.webdatacommons.org/377178545>	<http://www.w3.org/ns/prov#value>	"use the existing technologies cannot protect dynamic, evolving information such as design documents, source code" .