About: http://webisa.webdatacommons.org/292669301

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	Optical sensors, on the other hand, require reduction-oxidation (redox) chemicals which produce a change in an optical property such as a color or fluorescence when exposed to visible or ultraviolet light.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com