一种面向公安警情领域的事件抽取方法

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中文信息学报 ›› 2022, Vol. 36 ›› Issue (9) : 93-101.

信息抽取与文本挖掘

一种面向公安警情领域的事件抽取方法

邓秋严¹,谢松县¹,曾道建²,郑菲³,程琛³,彭立宏¹

作者信息 +

An Event Extraction Method for Public Security

DENG Qiuyan¹, XIE Songxian¹, ZENG Daojian², ZHENG Fei³, CHENG Chen³, PENG Lihong¹

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摘要

公安警情领域存在大量警情文本数据,如何从不同源、不同格式的警情文本中抽取出案情相关信息是公安情报信息处理工作的一个重要内容。基于公安警情领域数据特点,该文提出了一种结合无触发词事件识别和基于阅读理解的事件论元角色分类的事件抽取方法。该方法首先采用无触发词方法实现事件识别;在事件识别结果的基础上,通过阅读理解方式实现对事件论元角色的分类。实验表明,该文提出的方法在不标注触发词情况下在警情领域数据中能更好地实现事件信息抽取。

Abstract

There are a large amount of text data in the field of public security. How to extract case-related information from texts of different sources and formats is an important issue for public security information processing. This paper proposes an event extraction method that combines the event detection without triggers and the event argument role classification based on reading comprehension. First of all, this method adopts a method to realize event detection without triggers. Based on the result of event detection, it realizes the classification of event argument role through reading comprehension. Experiments show that the proposed method achieves effective performance of event extraction in the field of public security.

导出引用

邓秋严,谢松县,曾道建,郑菲,程琛,彭立宏. 一种面向公安警情领域的事件抽取方法. 中文信息学报. 2022, 36(9): 93-101

DENG Qiuyan, XIE Songxian, ZENG Daojian, ZHENG Fei, CHENG Chen, PENG Lihong. An Event Extraction Method for Public Security. Journal of Chinese Information Processing. 2022, 36(9): 93-101

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基金

广州科技计划项目(2019030010);湖南省自然科学基金(2020JJ4624);湖南省教育厅重点项目(19A020)

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2021-09-29	2022-11-01
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