<http://webisa.webdatacommons.org/47530088>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/440451917>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/47530088> .
<http://webisa.webdatacommons.org/47530088>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/47530088>	<http://www.w3.org/ns/prov#value>	"Besides, there is a problem that as a sensor built in building structure is required to be connected to a cable (an optical fiber or a metal fiber), the construction cost is high." .