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Clustering Algorithm of Ethnic Cultural Resources based on Spark

Volume 15, Number 3, March 2019, pp. 756-762
DOI: 10.23940/ijpe.19.03.p4.756762

Ming Leia,b, Bin Wena, Jianhou Ganb, and Jun Wangb

aSchool of Information Science and Technology, Yunnan Normal University, Kunming, 650500, China
bKey Laboratory of Educational Informatization for Nationalities of Ministry of Education, Yunnan Normal University, Kunming, 650500, China

(Submitted on October 19, 2018; Revised on November 21, 2018; Accepted on December 23, 2018)

Abstract:

Extracting valuable information from ethnic cultural resources is the key to current data mining research on ethnic cultural resources. The K-means algorithm can effectively process large-scale data sets due to simple and efficient iterative calculations. The uncertainty of the k-value affects the efficiency and accuracy of the algorithm. The particle swarm optimization (PSO) algorithm and global coarse-grained search can quickly determine the k-value of the cluster center, while the retrieval efficiency is low. In order to solve the problem of the initial clustering center of the K-means algorithm and the low efficiency of the PSO algorithm, this paper proposes a Spark-based PSO-k-means algorithm, which primarily introduces ethnic cultural text resources into the Hadoop Distributed File System (HDFS) and then uses Han Language Processing (HanLP) word segmentation. The Term Frequency-Inverse Document Frequency (TF-IDF) algorithm generates the word frequency vector. Finally, the particle swarm optimization algorithm performs initial pre-clustering on the data set, obtains the K-means algorithm cluster center k, and then obtains the final classification result through K-means algorithm cluster analysis. The experimental results show that the clustering accuracy and stability of the PSO-k-means algorithm are better than those of the existing K-means algorithm on serial stand-alone.

 

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