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T-QoS-aware based parallel ant colony algorithm for services composition

机译:基于T-QoS感知的服务组合并行蚁群算法

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In order to make cloud users get credible, high-quality composition of services, the trust quality of service aware (T-QoS-aware) based parallel ant colony algorithm is proposed. Our approach takes the service credibility as the weight of the quality of service, then calculates the trust service quality T-QoS for each service, making the service composition situated in a credible environment. Through the establishment on a per-service T-QoS initialization pheromone matrix, we can reduce the colony's initial search time. By modifying the pheromone updating rules and introducing two ant colonies to search from different angles in parallel, we can avoid falling into the local optimal solution, and quickly find the optimal combination of global solutions. Experiments show that our approach can combine high-quality services and the improvement of the operational success rate. Also, the convergence rate and the accuracy of optimal combination are improved.
机译:为了使云用户获得可靠的,高质量的服务组合,提出了基于信任服务质量感知(T-QoS感知)的并行蚁群算法。我们的方法将服务信誉作为服务质量的权重,然后计算每个服务的信任服务质量T-QoS,使服务组合位于可靠的环境中。通过在每个服务的T-QoS初始化信息素矩阵上建立,我们可以减少菌落的初始搜索时间。通过修改信息素更新规则并引入两个蚁群从不同角度并行搜索,我们可以避免陷入局部最优解,并快速找到全局解的最优组合。实验表明,我们的方法可以将高质量的服务与操作成功率的提高相结合。而且,提高了收敛速度和最佳组合的准确性。

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