NoPropaganda at SemEval-2020 Task 11: A Borrowed Approach to Sequence Tagging and Text Classification

July 25, 2020 ยท Declared Dead ยท ๐Ÿ› International Workshop on Semantic Evaluation

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Authors Ilya Dimov, Vladislav Korzun, Ivan Smurov arXiv ID 2007.12913 Category cs.CL: Computation & Language Citations 5 Venue International Workshop on Semantic Evaluation Last Checked 5 months ago
Abstract
This paper describes our contribution to SemEval-2020 Task 11: Detection Of Propaganda Techniques In News Articles. We start with simple LSTM baselines and move to an autoregressive transformer decoder to predict long continuous propaganda spans for the first subtask. We also adopt an approach from relation extraction by enveloping spans mentioned above with special tokens for the second subtask of propaganda technique classification. Our models report an F-score of 44.6% and a micro-averaged F-score of 58.2% for those tasks accordingly.
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