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Mathematical Problems in Engineering
Volume 2015, Article ID 923097, 13 pages
Research Article

Distributed Learning over Massive XML Documents in ELM Feature Space

College of Information Science and Engineering, Northeastern University, Shenyang, Liaoning 110819, China

Received 21 August 2014; Accepted 16 October 2014

Academic Editor: Tao Chen

Copyright © 2015 Xin Bi et al. This is an open access article distributed under the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.


With the exponentially increasing volume of XML data, centralized learning solutions are unable to meet the requirements of mining applications with massive training samples. In this paper, a solution to distributed learning over massive XML documents is proposed, which provides distributed conversion of XML documents into representation model in parallel based on MapReduce and a distributed learning component based on Extreme Learning Machine for mining tasks of classification or clustering. Within this framework, training samples are converted from raw XML datasets with better efficiency and information representation ability and taken to distributed learning algorithms in Extreme Learning Machine (ELM) feature space. Extensive experiments are conducted on massive XML documents datasets to verify the effectiveness and efficiency for both classification and clustering applications.