About: http://webisa.webdatacommons.org/52957244

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 number ?? is predetermined, such as five, which is determined in dependence of the desired accuracy of the magnification and the error in positioning.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com