About: http://webisa.webdatacommons.org/298000892

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 inclusion of the variance (computed from the count, sum of the times, and sum of the times squared), allows the system to accommodate normal variances due to traffic lights, buses and other factors.
http://www.w3.org/ns/prov#wasQuotedFrom	patents.com