计算机科学 ›› 2015, Vol. 42 ›› Issue (1): 253-256.doi: 10.11896/j.issn.1002-137X.2015.01.056
谢玲,李培峰,朱巧明
XIE Ling, LI Pei-feng and ZHU Qiao-ming
摘要: 公交到站时间预测是实现智能化公交信息服务的基础,可靠地预测公交到站时间有利于提高公共交通的服务水平,以吸引更多的城市居民选择公共交通。以某城市公交系统海量的历史数据为基础,建立了基于SVM的集合了静态和动态数据的公交预测模型,该模型引入上游路段速度、下游路段最新速度、下游路段最新花时、时间段和路况拥挤程度等动态信息作为模型特征。在此基础上,根据大量公交到站时间历史数据的波动性,提出了一个基于波动性的自适应预测模型。实验结果表明,自适应预测模型优于现有模型,提高了预测的精确度和效率。
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