YNU-HPCC at SemEval-2020 Task 11: LSTM Network for Detection of Propaganda Techniques in News Articles

• URL: http://arxiv.org/abs/2008.10166v2
• Date: Tue, 25 Aug 2020 11:03:18 GMT
• Title: YNU-HPCC at SemEval-2020 Task 11: LSTM Network for Detection of Propaganda Techniques in News Articles
• Authors: Jiaxu Dao, Jin Wang, Xuejie Zhang
• Abstract summary: This paper summarizes our studies on propaganda detection techniques for news articles in the SemEval-2020 task 11. We implement the GloVe word representation, the BERT pretraining model, and the LSTM model architecture to accomplish this task. Our method significantly outperforms the officially released baseline method, and the SI and TC subtasks rank 17th and 22nd, respectively, for the test set.
• Score: 5.352512345142247
• License: http://arxiv.org/licenses/nonexclusive-distrib/1.0/
• Abstract: This paper summarizes our studies on propaganda detection techniques for news articles in the SemEval-2020 task 11. This task is divided into the SI and TC subtasks. We implemented the GloVe word representation, the BERT pretraining model, and the LSTM model architecture to accomplish this task. Our approach achieved good results for both the SI and TC subtasks. The macro-F1-score for the SI subtask is 0.406, and the micro-F1-score for the TC subtask is 0.505. Our method significantly outperforms the officially released baseline method, and the SI and TC subtasks rank 17th and 22nd, respectively, for the test set. This paper also compares the performances of different deep learning model architectures, such as the Bi-LSTM, LSTM, BERT, and XGBoost models, on the detection of news promotion techniques. The code of this paper is availabled at: https://github.com/daojiaxu/semeval_11.

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