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BERT-based Ensembles for Modeling Disclosure and Support in Conversational Social Media Text

2020-06-01 19:52:01
Tanvi Dadu, Kartikey Pant, Radhika Mamidi
arXiv_CL
         
Abstract

There is a growing interest in understanding how humans initiate and hold conversations. The affective understanding of conversations focuses on the problem of how speakers use emotions to react to a situation and to each other. In the CL-Aff Shared Task, the organizers released Get it #OffMyChest dataset, which contains Reddit comments from casual and confessional conversations, labeled for their disclosure and supportiveness characteristics. In this paper, we introduce a predictive ensemble model exploiting the finetuned contextualized word embeddings, RoBERTa and ALBERT. We show that our model outperforms the base models in all considered metrics, achieving an improvement of $3\%$ in the F1 score. We further conduct statistical analysis and outline deeper insights into the given dataset while providing a new characterization of impact for the dataset.

Abstract (translated)

URL

https://arxiv.org/abs/2006.01222

PDF

https://arxiv.org/pdf/2006.01222.pdf

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