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arXiv 2103.13587cs.CLcs.LG
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基于分层统一深度神经网络的在线论坛摘要改进

Improving Online Forums Summarization via Hierarchical Unified Deep Neural Network

University of Central Florida(中佛罗里达大学)

Sansiri Tarnpradab, Fereshteh Jafariakinabad, Kien A. Hua

摘要:

在线讨论论坛很普遍,很容易访问,因此允许人们通过在讨论线程中发布消息来分享想法和意见。论坛主题的长度显着增长可能会使参与者(无论是新来者还是现有参与者)难以掌握主要思想。为了缓解这个问题,本研究的目的是创建一个自动的文本摘要在线论坛。我们提出了分层统一深度神经网络来构建论坛摘要的句子和线程表示。在该方案中,Bi-LSTM导出包含整个句子和整个线程的信息的表示;而CNN则从句子和线程中捕获关于上下文的最具信息性的特征。注意力机制应用于CNN之上,以进一步突出携带有助于理想摘要的重要信息的高级表示。对三个数据集进行了广泛的性能评估,其中两个是真实的在线论坛,一个是新闻数据集。结果表明,该模型优于几个竞争基线。

英文摘要:

Online discussion forums are prevalent and easily accessible, thus allowing people to share ideas and opinions by posting messages in the discussion threads. Forum threads that significantly grow in length can become difficult for participants, both newcomers and existing, to grasp main ideas. To mitigate this problem, this study aims to create an automatic text summarizer for online forums. We present Hierarchical Unified Deep Neural Network to build sentence and thread representations for the forum summarization. In this scheme, Bi-LSTM derives a representation that comprises information of the whole sentence and whole thread; whereas, CNN captures most informative features with respect to context from sentence and thread. Attention mechanism is applied on top of CNN to further highlight high-level representations that carry important information contributing to a desirable summary. Extensive performance evaluation has been conducted on three datasets, two of which are real-life online forums and one is news dataset. The results reveal that the proposed model outperforms several competitive baselines.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

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