<http://webisa.webdatacommons.org/149378312>	<http://www.w3.org/ns/prov#wasQuotedFrom>	<google.com> .
<http://webisa.webdatacommons.org/prov/401130439>	<http://www.w3.org/ns/prov#wasDerivedFrom>	<http://webisa.webdatacommons.org/149378312> .
<http://webisa.webdatacommons.org/149378312>	<http://www.w3.org/1999/02/22-rdf-syntax-ns#type>	<http://www.w3.org/ns/prov#Entity> .
<http://webisa.webdatacommons.org/149378312>	<http://www.w3.org/ns/prov#value>	"Analog signals are often sampled at spaced time intervals to form digital representations for storage, analysis, processing, or other uses." .