<http://webisa.webdatacommons.org/133156369>	<http://www.w3.org/ns/prov#value>	"To strengthen security, a variety of measures such as firewalls, IP Version 6 (IPv6), SSL, tunneling and RPF (Router Packet Filtering) functions have been developed and are being more widely used." .
<http://webisa.webdatacommons.org/133156369>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/58635721>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/133156369> .
<http://webisa.webdatacommons.org/133156369>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<japaninc.com> .