About: http://webisa.webdatacommons.org/246888907

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	This mechanism for example could be a visual indicator such as an LED light, or an auditory indicator such as a piezoelectric alarm.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com