About: http://webisa.webdatacommons.org/280998618

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	The most important one is that when the system detects high traffic density at slow speed at one sensor, and lower density at higher speed at the next one in the same direction, it means trouble, usually an accident.
http://www.w3.org/ns/prov#wasQuotedFrom	slashdot.org