About: http://webisa.webdatacommons.org/64152359

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	Pictures, such as characters or figures written or drawn in chalk on a blackboard, have often been made into binary-coded signals, but to date a recording apparatus for such picture images that does not need tone gradiations is virtually
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com