About: http://webisa.webdatacommons.org/262554997

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 digitizing system of claim 18 wherein the item to be digitized is a document, the document covering said first, second, third and fourth alignment marks when said document is placed on the support surface.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com