About: http://webisa.webdatacommons.org/11307170

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	Line art such as charts, graphs, or pen drawings should be scanned at 600 to 900 dpi grayscale.
http://www.w3.org/ns/prov#wasQuotedFrom	mit.edu