About: http://webisa.webdatacommons.org/100509946

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	The reference sensors are preferably fixed to one of the patient's organs, such as the heart, so that the movements of the reference sensors follow the movements of the patient or of the organ.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es