About: http://webisa.webdatacommons.org/26822011

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. 8 is a schematic of an embodiment corresponding to that of FIG. 3, extended to provide N difference measurements through the use of (N+1) sources;
http://www.w3.org/ns/prov#wasQuotedFrom	google.es