<http://webisa.webdatacommons.org/prov/443196357>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/400391973> .
<http://webisa.webdatacommons.org/400391973>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<techworld.com> .
<http://webisa.webdatacommons.org/400391973>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/400391973>	<http://www.w3.org/ns/prov#value>	"Some vendors already offer equipment or services to link Skype's network to other types of telephone system." .