About: http://webisa.webdatacommons.org/438187408

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	In the event that the signal is lost for a long period of time, e.g. five minutes or more, such an extended loss of signal is indicative of a serious problem, such as an antenna problem or other system malfunction.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com