摘要: 在交通地理信息系统(GIS-T)和智能交通系统(ITS)中,单源最短路径问题是一个研究热点。该文总结了已有的层次空间推理过程,针对交通网络,运用了限制搜索区域策略和比较策略,提出了新的层次空间推理过程,寻找更为可靠的入口,以便搜索到更可靠的最优路径,保证层内最优路径搜索的高效率,进一步提高了最优路径算法的可靠性,并对算法的效率进行了必要的分析。
关键词:
层次空间推理,
交通网络,
最优路径,
平面算法,
入口
Abstract: This paper summarizes the known hierarchical spatial reasoning procedure, for traffic network, adopts the strategy narrowing search region and the strategy of comparison, puts forward a new hierarchical spatial reasoning recursive procedure, improves the reliability of optimum path algorithm, and gives a necessary analysis about the efficiency of the optimum path algorithm.
Key words:
Hierarchical spatial reasoning,
Traffic network,
Optimum path,
Plat algorithm,
Entrance
李建元;师 军. 基于层次空间推理模型的交通网络最优路径算法[J]. 计算机工程, 2006, 32(20): 207-209.
LI Jianyuan; SHI Jun. Optimum Path Algorithm in Traffic Network Based on
Model of Hierarchical Spatial Reasoning
[J]. Computer Engineering, 2006, 32(20): 207-209.