About: http://webisa.webdatacommons.org/441373754

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	If ??Ri and ??Ri-1 differ significantly, the detected object is recognized to be an obstacle other than a preceding vehicle such as guard rail extending along the edge of the road, and flag R is cleared to zero in step 874.
http://www.w3.org/ns/prov#wasQuotedFrom	google.es