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    <abstract>This paper presents our hierarchical multi-task learning (HMTL) and multi-task learning (MTL) approaches for improving the text encoder in Sub-tasks A, B, and C of Multilingual Offensive Language Identification in Social Media (SemEval-2020 Task 12). We show that using the MTL approach can greatly improve the performance of complex problems, i.e. Sub-tasks B and C. Coupled with a hierarchical approach, the performances are further improved. Overall, our best model, HMTL outperforms the baseline model by 3% and 2% of Macro F-score in Sub-tasks B and C of OffensEval 2020, respectively.</abstract>
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%0 Conference Proceedings
%T NTU_NLP at SemEval-2020 Task 12: Identifying Offensive Tweets Using Hierarchical Multi-Task Learning Approach
%A Chen, Po-Chun
%A Huang, Hen-Hsen
%A Chen, Hsin-Hsi
%S Proceedings of the Fourteenth Workshop on Semantic Evaluation
%D 2020
%8 dec
%I International Committee for Computational Linguistics
%C Barcelona (online)
%F chen-etal-2020-ntu
%X This paper presents our hierarchical multi-task learning (HMTL) and multi-task learning (MTL) approaches for improving the text encoder in Sub-tasks A, B, and C of Multilingual Offensive Language Identification in Social Media (SemEval-2020 Task 12). We show that using the MTL approach can greatly improve the performance of complex problems, i.e. Sub-tasks B and C. Coupled with a hierarchical approach, the performances are further improved. Overall, our best model, HMTL outperforms the baseline model by 3% and 2% of Macro F-score in Sub-tasks B and C of OffensEval 2020, respectively.
%R 10.18653/v1/2020.semeval-1.279
%U https://aclanthology.org/2020.semeval-1.279
%U https://doi.org/10.18653/v1/2020.semeval-1.279
%P 2105-2110

Markdown (Informal)

[NTU_NLP at SemEval-2020 Task 12: Identifying Offensive Tweets Using Hierarchical Multi-Task Learning Approach](https://aclanthology.org/2020.semeval-1.279) (Chen et al., SemEval 2020)

• NTU_NLP at SemEval-2020 Task 12: Identifying Offensive Tweets Using Hierarchical Multi-Task Learning Approach (Chen et al., SemEval 2020)

ACL

• Po-Chun Chen, Hen-Hsen Huang, and Hsin-Hsi Chen. 2020. NTU_NLP at SemEval-2020 Task 12: Identifying Offensive Tweets Using Hierarchical Multi-Task Learning Approach. In Proceedings of the Fourteenth Workshop on Semantic Evaluation, pages 2105–2110, Barcelona (online). International Committee for Computational Linguistics.