<http://webisa.webdatacommons.org/446659142>	<http://www.w3.org/ns/prov#value>	"A PBX, or Private Branch Exchange System, is a device that connects office telephones in a business with the public telephone network." .
<http://webisa.webdatacommons.org/446659142>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/prov/211506117>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/446659142> .
<http://webisa.webdatacommons.org/446659142>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<virtualpbx.com> .