About: http://webisa.webdatacommons.org/286812187

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	As a reflectance sensor, sensor 104 may be, for example, a unitary optical sensor including at least one light source, such as a light emitting diode (LED), and at least one reflectance detector, such as a phototransistor.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com