About: http://webisa.webdatacommons.org/162775422

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	According to the first navigation system of the present invention, from a plurality of memory devices such as an optical disc e.g., a DVD-ROM, a CD-ROM, a hard disc and the like, the map data can be respectively read out.
http://www.w3.org/ns/prov#wasQuotedFrom	google.com