<http://webisa.webdatacommons.org/prov/448847066>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/208682148> .
<http://webisa.webdatacommons.org/208682148>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<phys.org> .
<http://webisa.webdatacommons.org/prov/346634015>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/208682148> .
<http://webisa.webdatacommons.org/208682148>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/208682148>	<http://www.w3.org/ns/prov#value>	"The service can be especially useful to families and businesses that must make international calls." .