About: http://webisa.webdatacommons.org/157984300

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 addition to the processing of envelopes with hidden contents, the invention can also be used to read information hidden in other ways such as within packaging or behind labels.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com