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Recent researches have focused on continuous nearest neighbor queries in road networks with fixed weight, where all the users find the same routes to the nearest neighbors all the time. As more and more people follow the same way, traffic jams occur and users have to spend more time to get the destinations. In this paper, we propose a novel form of continuous k nearest neighbor queries considering...
Recently, the Float Car technology is playing a more and more important role in real-time traffic service systems because it can collect real-time traffic information with low cost, high coverage and high efficiency. Meanwhile, the ability to accurately predict travel times in transportation networks is becoming a critical component for many Intelligent Transportation Systems. This paper focuses on...
As an advanced means of collecting information of traffic condition of roads, floating car technology has drawn increasing attention from many countries. Whereas, floating car data (FCD) collected by floating car technology often could not cover all the roads of a city. Therefore, in order to increase the integrality and usability of FCD which reflects the traffic condition of roads, a model based...
Nowadays the floating car technology is playing a more and more important role in the dynamic route guidance, congestion management, traffic incidents detection, because it can collect more accurate travel time information in real-time traffic service systems. However the key problem of using it is that the moving direction and driving behaviors of floating car at low speed are dynamic and quite complex,...
Nowadays the floating car data (FCD) is playing a more and more important role in the route guidance, because it can collect more accurate travel time information in traffic service systems. But the problem is that the congested traffic performs to be dynamic and quite complex, and therepsilas great data amount fluctuation at different time of day. Therefore, the stability of the data canpsilat be...
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