About: http://webisa.webdatacommons.org/438512260

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 FIG. 3, 30 to 32 represent the peripherals such as discs, magnetic tapes, processes, etc., controlled by control units 33 to 35.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com