About: http://webisa.webdatacommons.org/80639347

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	At these I/O points an input device, for example a pushbutton, sends an electrical signal to the controller system, or an output device, for example a solenoid, receives an output signal from the controller system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au