About: http://webisa.webdatacommons.org/297652641

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	The system according to claim 1, further including a speaker in said sales outlet, said speaker being selectively controlled to announce the sales promotion prices displayed in said electronic displays.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com