About: http://webisa.webdatacommons.org/169639483

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	Detection is not easy, especially if the device is dumb (PoS terminal).
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com