About: http://webisa.webdatacommons.org/122996211

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	visual indicator, said controller including a processor to receive a signal from said at least one sensor that an object is approaching a pathway intersection and to transmit a signal to activate said at least one visual indicator.
http://www.w3.org/ns/prov#wasQuotedFrom	docstoc.com