About: http://webisa.webdatacommons.org/306341476

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	There is an unmet need for a tag that can be incorporated into an item such as an ID card, credit card, currency or the like which has a unique identifying response to light and which is impossible to reproduce for practical purposes.
http://www.w3.org/ns/prov#wasQuotedFrom	google.ca