About: http://webisa.webdatacommons.org/119149337

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	By this means, the tracker can estimate the subject???s rate of movement, apparent direction, the number of people in the party, and whether the person or machine appears to know he is being followed.
http://www.w3.org/ns/prov#wasQuotedFrom	obsidianportal.com