About: http://webisa.webdatacommons.org/49200332

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	As described later, a power failure and other abnormalities in the commercial AC power source 6 are detected by a detection circuit 14, which detects the output AC voltage (Vout) of the AC switch (ACSW) 5.
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk