An incremental clustering pattern sequence-based short-term load prediction for cloud computing Online publication date: Thu, 15-Dec-2016
by Dayu Xu; Xuyao Zhang
International Journal of Grid and Utility Computing (IJGUC), Vol. 7, No. 4, 2016
Abstract: Short-term load prediction is a significant cost-optimal resource allocation and energy saving approach for a cloud computing environment. Traditional linear or nonlinear prediction models that forecast future load directly from historical information appear less effective. Load classification before prediction is necessary to improve prediction accuracy. In this paper, a novel clustering algorithm and prediction approach is proposed to forecast future load for cloud computing data centres. First, an incremental kernel k-means clustering based data clustering method is adopted to classify the continuously coming cloud load. Secondly, Hausdorff distance based similarity computation method is then used to identify the most appropriate cluster that possesses the maximum likelihood for current load. With the data from this cluster, a fast neural network is used to forecast future load. Experimental results show that our approach is more efficient and outperforms other approaches reported in previous works.
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