Extracting Names of Historical Events Based on Chinese Character Tags
Tang Huihui, Wang Hao(), Zhang Zixuan, Wang Xueying
School of Information Management, Nanjing University, Nanjing 210023, China Jiangsu Key Laboratory of Data Engineering and Knowledge Service, Nanjing 210023, China
[Objective] This paper proposes a model to extract the names of Chinese historical events, aiming to reorganize knowledge from texts and construct the ontology for these events. [Methods] We built the proposed model with conditional random fields(CRFs) and automatically tagging technology, based on the historical texts of the Wei, Jin, Northern and Southern Dynasties. Then, we explored the influence of different Chinese characters and features on recognizing event names. [Results] We constructed the best model based on the features of characters and the surnames. The F1 value of this model was as high as 98.74%. This model was examined with two open scenarios and achieved good results. [Limitations] The size of our training corpus needs to be expanded. More research is needed to compare results of single Chinese character tags and the phrases. [Conclusions] The CRFs model could effectively identify the names of Chinese historical events under appropriate working conditions.
唐慧慧, 王昊, 张紫玄, 王雪颖. 基于汉字标注的中文历史事件名抽取研究*[J]. 数据分析与知识发现, 2018, 2(7): 89-100.
Tang Huihui,Wang Hao,Zhang Zixuan,Wang Xueying. Extracting Names of Historical Events Based on Chinese Character Tags. Data Analysis and Knowledge Discovery, 2018, 2(7): 89-100.
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