About: http://webisa.webdatacommons.org/455837439

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	Computer system 130 tracks the location and orientation of base plate 140 and the displacement of surgical instrument 114 by tracking markers such as the LEDs in a conventional manner.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es