About: http://webisa.webdatacommons.org/18823748

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	Also, the steady-state, or DC, level of the signals must be adjustable to allow the sensor to compensate for factors such as skin pigmentation, skin thickness, and sensor coupling to the skin.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com