About: http://webisa.webdatacommons.org/324496209

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	In another embodiment of the invention, a signal, such as a traffic directional or cautionary signal, e.g., a flashing speed limit, directional arrows, or verbal cues, i
http://www.w3.org/ns/prov#wasQuotedFrom	google.co.uk