A method and apparatus for enabling the advantageous selection of a departure time for a trip based on one or more timetables are disclosed. The illustrative embodiment employs a penalty function that considers: (i) whether or not the user arrives late, and if so, how late, and (ii) whether or not the...http://www.google.co.uk/patents/US20050187703?utm_source=gb-gplus-sharePatent US20050187703 - Determining departure times for timetable-based trips
