About: http://webisa.webdatacommons.org/251382014

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	Also, in FIG. 21, 28 is a selective controller for selecting the blowing devices 24 by comparing information from the pressure sensors etc. 27 and the settings, and 30 is a switcher operating by a signal from the selective controller 28.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com