Abstract
The vast body of reviews for individual items makes it difficult for users to extract useful information. And the opinions expressed by these users can be easily influenced through the communication services provided by the E-Commerce systems. A number of works are proposed for information extraction from a large review corpora, and these techniques may release users from the tiresome task of reading reviews. However, such extracted summaries are lack of immediacy, and could not keep the reviews’ narrative structures. Aiming at enhancing the diversity of reviews and eliminating the above methods’ defects, we propose a local community based algorithm to group reviewers and recommend the original reviews to users. Our method utilizes similarity-based sparsification techniques to identify the edge types that connected two nodes to determine these two nodes are in the same community or not. Since such identification procedure only evolves the neighbors of the target nodes, it can be set on the client side, and can be accomplished efficiently. We conduct comprehensive experiments to demonstrate the accuracy of our algorithm, and provide the discussions and explanations about the phenomena appeared in the experimental results.






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Acknowledgments
Haitao Zou,Zhiguo Gong, and Weishu Hu were supported in part by Fund of Science and Technology Development of Macau Government under FDCT/106/2012/A3 and FDCT/116/2013/A3; and in part by University Macau Research Committee under MYRG105-FST13-GZG and MYRG2015-00070-FST. Haitao Zou was also supported in part by the High Level Talents Scientific Research Fund in Jiangsu University of Science and Technology under grants 1132921506.
Any opinions, findings, conclusions, and/or recommendations expressed in this material, either expressed or implied, are those of the authors and do not necessarily reflect the views of the sponsors listed above.
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Zou, H., Gong, Z. & Hu, W. Identifying diverse reviews about products. World Wide Web 20, 351–369 (2017). https://doi.org/10.1007/s11280-016-0391-3
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DOI: https://doi.org/10.1007/s11280-016-0391-3