<http://webisa.webdatacommons.org/249108203>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/249108203>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<downtheavenue.com> .
<http://webisa.webdatacommons.org/prov/504696106>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/249108203> .
<http://webisa.webdatacommons.org/249108203>	<http://www.w3.org/ns/prov#value>	"Voice search, however, can be costly for mobile carriers and network operators given the technology and other items necessary to operate the service." .