<http://webisa.webdatacommons.org/227039589>	<http://www.w3.org/ns/prov#value>	" 646. Finally, there is an installed base of users and applications" .
<http://webisa.webdatacommons.org/prov/64896698>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/227039589> .
<http://webisa.webdatacommons.org/227039589>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/227039589>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<ietf.org> .