About: http://webisa.webdatacommons.org/8618395

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	The coding methods are not particularly limited, but any other methods may be used as long as reversible coding is done for the limited color regions and irreversible coding is done for the continuous gradation regions.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com