About: http://webisa.webdatacommons.org/330395703

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	Curtis et al. is designed to be used in commercial establishments, such as grocery stores, to allow automatic periodic recorded announcements without the need for an operator to interrupt the background music to make a live announcement.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es