About: http://webisa.webdatacommons.org/452181746

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. 1B is a block diagram similar to FIG. 1A, but also showing an additional set of emitters in fixed relation to the object for automatic correlation of reference points to the system.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com.au