About: http://webisa.webdatacommons.org/355284195

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	In one aspect, the product or product package may include an authentication mark, such as a bar code or other identifier, comprising one or more light-sensitive compounds.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com