About: http://webisa.webdatacommons.org/158088276

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	Indicator 18 a and/or indicator 18 b may include an audio output device, such as a speaker, a buzzer, etc., and/or a visual indicator device, such as an LED, a lamp, a light, etc.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es