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With the development of cities, especially in developing countries, public transport is a major choice for millions city dwellers, which can ease the traffic pressure, such as crowdedness. However, for cities, in particular cities of developing countries, the continuous development of urban construction leads to the function of regions are changed, and then the collective that travel to specific locations...
In Delay Tolerant Networks (DTNs), characteristics of mobility model have essential impact on routing protocols design and verification. Most of current studies about network characteristics are derived from theoretical models or small-scale real network traces. Properties of nodes in those networks are simple and can not reflect features in large-scale applications. In addition, few studies focus...
The technology of travel time estimation based on cellular network has received much attention recently because of its low cost, wide spread of cellular networks, and a large number of phones as potential road traffic probes. However, in practice, low positioning precision and uncertain route determination caused by complex traffic network make it difficult to ensure the accuracy of travel time estimation...
Urban transportation is very important for economy development of a city, and accurate and effective overall traffic status in an area provides the basis for transportation application service. This paper proposes a novel model-OTCEM, evaluating urban overall traffic condition effectively. In this model, a regional transport evaluation index is developed. Through the model, the trends of normal transport...
Large activities as an important event, its influence on urban traffic can't be neglected. In this paper, the core problem is to study the effect of large activities on urban traffic. A novel traffic evaluation parameter is developed first and urban traffic effect model for large activities is proposed. Through analyzing the Float Car Data (FCD), the researchers developed the base parameter to evaluate...
Nowadays Float Car Data (FCD) is playing an important role in real-time traffic information systems. However, traffic signal control in urban road network will cause random delay on float cars, and this kind of delay will result in considerable fluctuation of travel time. Thus, the accuracy of FCD system is seriously affected. In this paper, float car refining models are proposed to calculate the...
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,...
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