摘要
针对普适计算环境下对服务调度的高可靠要求,研究人员已提出不少服务调度模型,但都不具有很好的适应性.在现有的服务调度模型基础上,提出了一种新的基于信任的自适应服务调度模型.该模型先基于信任进行首次考核筛选,选出可靠的节点,然后基于蚁群算法进行任务调度.通过计算分析和仿真,验证了该模型的适应性.
According to the requirement of service selection in ubiquitous computing for high reliabihty, researchers have proposed some service selection models, which, however, don＇t have good applicability. This paper proposes a new adaptable service selection model based on trust, which examines nodes＇ trust degree at first, and selects reliable nodes, then carries out task selection using ant colony algorithm. The simulation result indicates that the model＇ performance is improved greatly and have adaptability.
出处
《重庆工学院学报》
2007年第13期123-126,152,共5页
Journal of Chongqing Institute of Technology
基金
重庆市自然科学基金资助项目(CSTC
2004BB8595)
关键词
普适计算
服务调度
信任
蚁群算法
ubiquitous computing
service selection
trust
ant colony algorithm
