A method for collecting geographic data for use with a navigation system identifies a pedestrian segment associated with a path. A text description of the pedestrian segment is collected. The text description includes one of a predetermined number of phrases and name of at least one feature visible from...http://www.google.de/patents/US7487041?utm_source=gb-gplus-sharePatent US7487041 - Method of collecting information for a geographic database for use with a navigation system
