About: http://webisa.webdatacommons.org/230819619

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	Thus all letters except B are deleted as well as most other simple two-dimensional markings.
http://www.w3.org/ns/prov#wasQuotedFrom	packet.cc