<http://webisa.webdatacommons.org/prov/67201347>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/256983813> .
<http://webisa.webdatacommons.org/256983813>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/256983813>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/256983813>	<http://www.w3.org/ns/prov#value>	"In addition to a channel's presence or absence, there are other kinds of information that can be collected and compared to help identify specific transmitters and cities." .