Point of interest database maintenance system

a database and database technology, applied in the field of point of interest database maintenance system, can solve problems such as unsatisfactory provision

Inactive Publication Date: 2015-01-08
TOMTOM TRAFFIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Benefits of technology

[0098]It is also envisaged that the methods of the present invention can be used in dynamic signage, i.e. electronic displays that show information, such as television programs, m

Problems solved by technology

For example, it is undesirable to provide a warning to a user of a speed camera that is no longer present on the stretc

Method used

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  • Point of interest database maintenance system

Examples

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Embodiment Construction

[0111]The present invention is directed to a method and system for processing data to maintain a database of speed limit enforcement devices. In order to keep the data in the database accurate and up to date, the system utilises information in the form of reports received from a plurality of mobile devices. In other words, the system relies on a community of users to continually supply information on new speed limit enforcement devices not already in the database, and to validate the details associated with the devices already in the database.

[0112]The mobile devices can be of any suitable form, but in illustrative embodiments are navigation apparatus, such as portable navigation devices (PNDs). Preferred embodiments of the present invention will now be described with particular reference to a PND. It should be remembered, however, that the teachings of the present invention are not limited to PNDs but are instead universally applicable to any type of processing device that is confi...

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Abstract

A method of processing data at a server (302) for maintenance of a database (516) of points of interest, such as speed limit enforcement devices. Each of the devices represented in the database has at least one attribute and a confidence value indicative of the accuracy of the at least one attribute associated therewith. The confidence value is time dependent and varies according to a pre-defined decay function. A report (500) relating to an attribute of a speed limit enforcement device is received at the server (302) from a mobile device (200). The confidence value associated with the speed limit enforcement device is adjusted in accordance with the received report, and information relating to the speed limit enforcement device (520, 522) is selectively transmitted to the or another mobile device (200) based on the confidence value.

Description

FIELD OF INVENTION [0001]The present invention, at least in some aspects, relates to methods and systems of processing data for maintenance of a database of points of interest, such as speed limit enforcement devices. Other aspects of the invention relate to the maintenance of similar data that is temporary or dynamical in nature, such as the availability of parking spaces or the availability and status of electric vehicle charging stations.BACKGROUND TO THE INVENTION [0002]Portable navigation devices (PNDs) that include GNSS (Global Navigation Satellite Systems) signal reception and processing functionality are well known and are widely employed as in-car or other vehicle navigation systems. Such devices include a GNSS antenna, such as a GPS antenna, by means of which satellite-broadcast signals, including location data, can be received and subsequently processed to determine a current location of the device. The device may also include electronic gyroscopes and accelerometers whic...

Claims

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Application Information

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IPC IPC(8): G06F17/30G01C21/32H04W4/02
CPCG06F17/30371G01C21/32G06F17/30289G01S7/022G08G1/0112G08G1/0141G08G1/096716G08G1/096741G08G1/096775G08G1/20G01C21/3679G06F16/21G06F16/2365H04W4/02G01C21/3811G08G1/012
Inventor VAN DER LAAN, ANTOINE CARLJONKMAN, RICHARD HENDRIK JOSEPHUS
Owner TOMTOM TRAFFIC
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