About: http://webisa.webdatacommons.org/119792927

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	However, such beacon systems may fail to function if the device is carried into an office building or other structure where the beacon signals are no longer received.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com