CNewSum: A Large-scale Chinese News Summarization Dataset with Human-annotated Adequacy and Deducibility Level

• URL: http://arxiv.org/abs/2110.10874v1
• Date: Thu, 21 Oct 2021 03:37:46 GMT
• Title: CNewSum: A Large-scale Chinese News Summarization Dataset with Human-annotated Adequacy and Deducibility Level
• Authors: Danqing Wang, Jiaze Chen, Xianze Wu, Hao Zhou and Lei Li
• Abstract summary: We present a large-scale Chinese news summarization dataset CNewSum. It consists of 304,307 documents and human-written summaries for the news feed. Its test set contains adequacy and deducibility annotations for the summaries.
• Score: 15.969302324314516
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: Automatic text summarization aims to produce a brief but crucial summary for the input documents. Both extractive and abstractive methods have witnessed great success in English datasets in recent years. However, there has been a minimal exploration of text summarization in Chinese, limited by the lack of large-scale datasets. In this paper, we present a large-scale Chinese news summarization dataset CNewSum, which consists of 304,307 documents and human-written summaries for the news feed. It has long documents with high-abstractive summaries, which can encourage document-level understanding and generation for current summarization models. An additional distinguishing feature of CNewSum is that its test set contains adequacy and deducibility annotations for the summaries. The adequacy level measures the degree of summary information covered by the document, and the deducibility indicates the reasoning ability the model needs to generate the summary. These annotations can help researchers analyze and target their model performance bottleneck. We examine recent methods on CNewSum and release our dataset to provide a solid testbed for automatic Chinese summarization research.

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