About: http://webisa.webdatacommons.org/112054428

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	For instance. the keyboard is an input unit, the CRT display is an output unit, and the code converter and auxiliary bulk memory 107 are input/output units.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es