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Cloud Computing and Its Application in Big Data Processing of Distance Higher Education

机译:云计算及其在远程高等教育大数据处理中的应用

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In the development of information technology the development of scientific theory has brought the progress of science and technology. The progress of science and technology has an impact on the educational field, which changes the way of education. The arrival of the era of big data for the promotion and dissemination of educational resources has played an important role, it makes more and more people benefit. Modern distance education relies on the background of big data and cloud computing, which is composed of a series of tools to support a variety of teaching mode. Clustering algorithm can provide an effective evaluation method for students' personality characteristics and learning status in distance education. However, the traditional K-means clustering algorithm has the characteristics of randomness, uncertainty, high time complexity, and it does not meet the requirements of large data processing. In this paper, we study the parallel K-means clustering algorithm based on cloud computing platform Hadoop, and give the design and strategy of the algorithm. Then, we carry out experiments on several different sizes of data sets, and compare the performance of the proposed method with the general clustering method. Experimental results show that the proposed algorithm which is accelerated has good speed up and low cost. It is suitable for the analysis and mining of large data in the distance higher education.
机译:在信息技术的发展中,科学理论的发展带来了科学技术的进步。科学技术的进步对教育领域产生了影响,改变了教育方式。大数据时代的到来对于教育资源的促进和传播起了重要作用,它使越来越多的人受益。现代远程教育依靠大数据和云计算的背景,它由一系列支持各种教学模式的工具组成。聚类算法可以为远程教育中学生的人格特征和学习状况提供有效的评价方法。但是,传统的K均值聚类算法具有随机性,不确定性,时间复杂度高的特点,不能满足大数据处理的要求。本文研究了基于云计算平台Hadoop的并行K均值聚类算法,并给出了该算法的设计和策略。然后,我们对几种不同大小的数据集进行了实验,并将该方法与常规聚类方法的性能进行了比较。实验结果表明,该算法具有良好的加速性能和较低的成本。适用于远程高等教育中的大数据分析和挖掘。

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