118 3 Non-geometry standards
For example, such a system called passer-by may be used for local traffic or tourist information.
• Computers will become lighter, cheaper, and easier to use. Presently, the so called
personal digital assistant (PDA) holds all standard computer applications and fits
into a trouser pocket.
The "Location based services tracking and navigation" and the "Multimodallocation based services for routing and navigation" standardise route finding methods
which is the most widely used application of LBS today. The subtopics might be
summarised as folIows:
• Find the best route in terms oftravelling time or travelling cost between A and B.
• While travelling, find the best route ifthe conditions change along the route.
• Find the best route in terms of travelling time or travelling cost connecting multiple locations. This is classically natned the ''travelling salesman problem".
• Find the best route in terms of travelling time or travelling cost between A and B
having multiple means of transportation available. The answer to this request is
called a multimodal service.
The development of these standards is still ongoing.
3.5.4.2 Tracking and navigation
Tracking and navigation are the core applications of location based mobile services. They are covered by the ISO 19133 (Location based services tracking and
navigation). Tracking is the process of following and reporting the position of a vehicle in a network. In some cases it may be the position of a hand-held computer
only. Routing is the finding of optimal routes between positions in a network. Route
traversal is the execution of a route, usually through the use of instructions at each
node in the path, and astart and stop instruction, at the first and last position of the
route. The combination of routing, route transversal and tracking is navigation. The
optimal route is the one with minimal costs in terms of money, or time, or other parameters such as pleasure along scenic routes.
The basic assumption is that services made available on the Internet will be accessed by mobile devices in a manner similar to on-web clients, with the exception
that the mobile client can update its own position during the process. For this purpose on-web proxy applications for the mobile client are required. These applications
act as a device transformer for messages and data flowing between the web-service
and the mobile client. The interface between the mobile client and the on-web programs is out of scope for this standard and is covered by standards written by and
within ISOITC204 (Intelligent transport systems).
For example, such a system called passer-by may be used for local traffic or tourist information.
• Computers will become lighter, cheaper, and easier to use. Presently, the so called
personal digital assistant (PDA) holds all standard computer applications and fits
into a trouser pocket.
The "Location based services tracking and navigation" and the "Multimodallocation based services for routing and navigation" standardise route finding methods
which is the most widely used application of LBS today. The subtopics might be
summarised as folIows:
• Find the best route in terms oftravelling time or travelling cost between A and B.
• While travelling, find the best route ifthe conditions change along the route.
• Find the best route in terms of travelling time or travelling cost connecting multiple locations. This is classically natned the ''travelling salesman problem".
• Find the best route in terms of travelling time or travelling cost between A and B
having multiple means of transportation available. The answer to this request is
called a multimodal service.
The development of these standards is still ongoing.
3.5.4.2 Tracking and navigation
Tracking and navigation are the core applications of location based mobile services. They are covered by the ISO 19133 (Location based services tracking and
navigation). Tracking is the process of following and reporting the position of a vehicle in a network. In some cases it may be the position of a hand-held computer
only. Routing is the finding of optimal routes between positions in a network. Route
traversal is the execution of a route, usually through the use of instructions at each
node in the path, and astart and stop instruction, at the first and last position of the
route. The combination of routing, route transversal and tracking is navigation. The
optimal route is the one with minimal costs in terms of money, or time, or other parameters such as pleasure along scenic routes.
The basic assumption is that services made available on the Internet will be accessed by mobile devices in a manner similar to on-web clients, with the exception
that the mobile client can update its own position during the process. For this purpose on-web proxy applications for the mobile client are required. These applications
act as a device transformer for messages and data flowing between the web-service
and the mobile client. The interface between the mobile client and the on-web programs is out of scope for this standard and is covered by standards written by and
within ISOITC204 (Intelligent transport systems).