About: http://webisa.webdatacommons.org/309797000

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	They are saved as very long and narrow bitmaps, and then loaded into a program that reads the hues and values of the image, one row at a time, from left to right, treating the picture as a sort of piano roll.
http://www.w3.org/ns/prov#wasQuotedFrom	archive.org