About: http://webisa.webdatacommons.org/157114593

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	Although navigation systems, like those described above, provide many useful features, there is still a need for additional types of systems that can provide navigation services to users.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com