Event Temporal Relation Extraction with Bayesian Translational Model

• URL: http://arxiv.org/abs/2302.04985v1
• Date: Fri, 10 Feb 2023 00:11:19 GMT
• Title: Event Temporal Relation Extraction with Bayesian Translational Model
• Authors: Xingwei Tan, Gabriele Pergola, Yulan He
• Abstract summary: We introduce Bayesian-Trans, a learning-based method that models the temporal relation representations as latent variables. Compared to conventional neural approaches, the proposed model infers the parameters' posterior distribution directly.
• Score: 32.78633780463432
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: Existing models to extract temporal relations between events lack a principled method to incorporate external knowledge. In this study, we introduce Bayesian-Trans, a Bayesian learning-based method that models the temporal relation representations as latent variables and infers their values via Bayesian inference and translational functions. Compared to conventional neural approaches, instead of performing point estimation to find the best set parameters, the proposed model infers the parameters' posterior distribution directly, enhancing the model's capability to encode and express uncertainty about the predictions. Experimental results on the three widely used datasets show that Bayesian-Trans outperforms existing approaches for event temporal relation extraction. We additionally present detailed analyses on uncertainty quantification, comparison of priors, and ablation studies, illustrating the benefits of the proposed approach.

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