About: http://webisa.webdatacommons.org/449132820

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	Markers may for example be provided in the form of a stack (for example as described with respect to FIG. 23), on a sheet, or in an individually separate form.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com