Context information as enhancement for mobile solutions and services

People on the move have a grown need for real-time information and services anytime and anywhere. In many situations, travelers do not feel at ease and well informed when using public transport. Context information on mobile phones e.g., location and calendar data, can significantly improve the user experience in the current situation. The paper addresses an approach of service offering and usage on mobile phones. It focuses on a typical scenario in public transport that covers trip planning, mobile ticketing and service offering on the way. A general framework, classifying, supporting and analyzing user context information, including practical experiences from a mobile ticketing solution, will be introduced.