<http://webisa.webdatacommons.org/prov/19416097>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/31019521> .
<http://webisa.webdatacommons.org/31019521>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<serverfault.com> .
<http://webisa.webdatacommons.org/31019521>	<http://www.w3.org/ns/prov#value>	"Nagios is a monitoring and alerting system, which has graphing capability (if you pay for it)." .
<http://webisa.webdatacommons.org/31019521>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .