About: http://webisa.webdatacommons.org/137574607

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	Furthermore, in an infrared system, the light source and/or photocell is typically protected by a translucent material such as a clear plastic.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es