| 摘要 |
A traffic information prediction system has a traffic information database for recording time sequential data of traffic information and a traffic condition change factor database for recording the location, time period and type of an event which may change traffic conditions. The time period and location of the change are detected from data distributions of the traffic information, the change being unable to be explained even by day factor information such as days of the week, seasons and commercial calendar, and weather information. An event having a relatively shorter temporal and spatial distance from the detection results is searched from the traffic condition change factor database. The traffic information prediction system can detect an occurrence of an event changing the traffic conditions and its influence area.
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