About: http://webisa.webdatacommons.org/284694829

Property	Value
http://www.w3.org/1999/02/22-rdf-syntax-ns#type	http://www.w3.org/ns/prov#Entity
http://www.w3.org/ns/prov#value	Electrical signals less than the threshold value are assumed to be generated by something other than a calling party and no signal is provided.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com