About: http://webisa.webdatacommons.org/80250040

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	Referring to FIG. 5, first, at a step S502, data including at least one datum is obtained, each corresponding to a coordinate information.
http://www.w3.org/ns/prov#wasQuotedFrom	freepatentsonline.com