About: http://webisa.webdatacommons.org/94692851

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 system further includes an optical sensor including a light source and a photodetector, and configured to be proximal to the patient's skin to generate an optical signal representing a flow of blood within the patient.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com