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Exploiting comments information to improve legal public opinion news abstractive summarization

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Abstract

Automatically generating a brief summary for legal-related public opinion news (LPO-news, which contains legal words or phrases) plays an important role in rapid and effective public opinion disposal. For LPO-news, the critical case elements which are significant parts of the summary may be mentioned several times in the reader comments. Consequently, we investigate the task of comment-aware abstractive text summarization for LPO-news, which can generate salient summary by learning pivotal case elements from the reader comments. In this paper, we present a hierarchical comment-aware encoder (HCAE), which contains four components: 1) a traditional sequenceto-sequence framework as our baseline; 2) a selective denoising module to filter the noisy of comments and distinguish the case elements; 3) a merge module by coupling the source article and comments to yield comment-aware context representation; 4) a recoding module to capture the interaction among the source article words conditioned on the comments. Extensive experiments are conducted on a large dataset of legal public opinion news collected from micro-blog, and results show that the proposed model outperforms several existing state-of-the-art baseline models under the ROUGE metrics.

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Acknowledgements

This work was supported by the National Key Research and Development Program of China (2018YFC0830105, 2018YFC 0830101, 2018YFC0830100); the National Natural Science Foundation of China (Grant Nos. 61972186, 61762056, 61472168); the Yunnan Provincial Major Science and Technology Special Plan Projects (202002AD080001); the General Projects of Basic Research in Yunnan Province (202001AT0 70046, 202001AT070047).

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Correspondence to Zhengtao Yu.

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Yuxin Huang is a PhD candidate in computer science at Kunming university of Science and Technology, China. His research interests include natural language processing, text summarization, machine translation, etc.

Zhengtao Yu received the PhD degree in computer application technology from Beijing Institute of Technology, China in 2005. Now he is a professor and PhD supervisor at Kunming University of Science and Technology, China and the director of Yunnan Key Laboratory of Artificial Intelligence. His research interests include natural language processing, machine translation and information retrieval, etc.

Yan Xiang received the MS degree from Wuhan University, China in 2001. She is currently a PhD candidate in computer science at Kunming University of Science and Technology, China. Her research interests include medical image processing, natural language processing, sentiment classification, and text mining, etc.

Zhiqiang Yu is a PhD candidate in computer science at Kunming university of Science and Technology, China. His research interests include natural language processing, neural machine translation, etc.

Junjun Guo received the PhD degree from Xi’an Jiao Tong University, China in 2016. Now He is an associate professor at Kunming University of Science and Technology, China. His research interests include natural language processing, machine translation, etc.

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Huang, Y., Yu, Z., Xiang, Y. et al. Exploiting comments information to improve legal public opinion news abstractive summarization. Front. Comput. Sci. 16, 166333 (2022). https://doi.org/10.1007/s11704-021-0561-z

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