About: http://webisa.webdatacommons.org/174483622

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	After the first bit of a code word it can readily be recognized whether the signal is a traffic signal or an operating or synchronization signal.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com