About: http://webisa.webdatacommons.org/56454092

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	FIG. 3 is a flow chart of the various steps for determining the position of the vertical and horizontal tangents on the image;
http://www.w3.org/ns/prov#wasQuotedFrom	google.fr