About: http://webisa.webdatacommons.org/169855035

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	Here, the point P1 is an arbitrary position on a middle portion Rc of the substrate 11, point P3 is an arbitrary position on a peripheral edge Rr of the substrate 11, and P2 is an arbitrary position between P1 and P3 in the substrate 11.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com