About: http://webisa.webdatacommons.org/419022988

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	It represents a direction, together with a speed.For our purposes, a vector is a list of numbers.
http://www.w3.org/ns/prov#wasQuotedFrom	gamedev.net