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Starting from influential factors of fixed traffic bottleneck and choosing appropriate identifying indices for fixed transportation bottleneck, we get MapReduce parallelized processing method of K-means clustering algorithm after full investigations on parallel programming pattern and clustering algorithm; Finally, the recognition approach for fixed traffic bottleneck is proposed based on K-clustering...
A new solution for the construction of 3D Runway based on PSO algorithm and Unity 3D game engine is presented in this paper. Compared with the traditional runway construction, this solution can build rich scene interface with less scene resources by the application of PSO algorithm and the construction of Unity3D engine. Experiment has proved that the scheme can generate the scene reasonably which...
Performance of post-disaster search and rescue (SAR) is critical to reduce the total number of fatalities. The quality of SAR efforts can be improved by the effective use of the available information. A grid-based model therefore is proposed to help describe how SAR teams cruise in a road network of disaster area to search and rescue survivors, considering the information available in the operation...
Vehicular ad hoc networks (VANET) have attracted considerable attentions in recent times for promising applications like vehicular safety, traffic monitoring, etc. Due to fast topological change and frequent network disruption, multihop data dissemination is an important issue. In this paper, we propose a greedy intersection-based optimal routing protocol, in which we formulate the data forwarding...
Securing the inter-vehicle communication is a vital aspect for VANETs. Thus, authentication as a primary security function is required for the participant vehicles and their generated message. Mostly, symmetric authentication protocols which depend on the network infrastructure Road Side Units (RSUs) have low computation and communication overhead. In this work, a Central Push-based Replication Protocol...
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