About: http://webisa.webdatacommons.org/283129448

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 point is that a direction is expressed by acc and a fixed point by dat. no matter whether time or place
http://www.w3.org/ns/prov#wasQuotedFrom	stackexchange.com