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Event Detection Model Based on Semantic Information Fusion |
Wei Jianxiang1(),Lu Qian2,Han Pu1,Huang Weidong1,3 |
1School of Management, Nanjing University of Posts and Telecommunications, Nanjing 210003, China 2School of Internet of Things, Nanjing University of Posts and Telecommunications, Nanjing 210003, China 3Key Research Base of Philosophy and Social Sciences in Jiangsu-Information Industry Integration Innovation and Emergency Management Research Center, Nanjing 210003, China |
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Abstract [Objective] This paper aims to improve the accuracy of event detection tasks by fusing semantic information. [Methods] First, we stored the non-relational semantic information with an initial word vector and encoded them with the Bi-LSTM model to aggregate their contexts. Then, we developed a relation graph based on relational semantic information. Third, we used a multi-scale convolutional neural network to capture the spatial information from the adjacency matrix and fuse it with the word vector. Finally, we built a Gate-GCN model to aggregate relational semantic information between adjacent word vectors to enhance their representation ability. [Results] We examined the new model with the ACE05 benchmark dataset. Our method’s F1 value reached 76.3%, which was 1.2% higher than the existing mainstream models. [Limitations] The proposed model needs to be validated with general datasets. [Conclusions] Fusion of multiple types of semantic information can effectively improve the event detection performance.
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Received: 30 May 2022
Published: 30 March 2023
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Fund:National Social Science Fund of China(17CTQ022);National Natural Science Foundation of China(7227011403);Major Project of Philosophy and Social Science Research of Jiangsu Universities(2020SJZDA102) |
Corresponding Authors:
Wei Jianxiang,ORCID:0000-0001-9052-9212,E-mail:jxwei@njupt.edu.cn。
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