About: http://webisa.webdatacommons.org/14392151

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 direction can for example be defined automatically depending on an acoustic analysis of the ambient noises or depending on a user input.
http://www.w3.org/ns/prov#wasQuotedFrom	freshpatents.com