About: http://webisa.webdatacommons.org/242559889

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	In step 2440, the system determines the angle of the symbology using a checker pattern technique or a chain code technique, such as finding the slope or the orientation of the symbology 210 or 220, or text 230 within the target 200.
http://www.w3.org/ns/prov#wasQuotedFrom	google.de