About: http://webisa.webdatacommons.org/162661749

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	I would then use a USB wall wart into a pin in the Arduino (from the wall, not the UPS) to detect whether the power is on or off.I also did more searching after posting this thread and found this shield.
http://www.w3.org/ns/prov#wasQuotedFrom	arduino.cc