Exploiting the Matching Information in the Support Set for Few Shot Event Classification

• URL: http://arxiv.org/abs/2002.05295v2
• Date: Fri, 19 Jun 2020 07:37:15 GMT
• Title: Exploiting the Matching Information in the Support Set for Few Shot Event Classification
• Authors: Viet Dac Lai, Franck Dernoncourt, Thien Huu Nguyen
• Abstract summary: We investigate event classification under the few-shot learningsetting. We propose a novel training method for this problem that exten-sively exploit the support set during the training process. Our experiments ontwo benchmark EC datasets show that the proposed method can improvethe best reported few-shot learning models by up to 10% on accuracy for event classification.
• Score: 66.31312496170139
• License: http://creativecommons.org/licenses/by-nc-sa/4.0/
• Abstract: The existing event classification (EC) work primarily focuseson the traditional supervised learning setting in which models are unableto extract event mentions of new/unseen event types. Few-shot learninghas not been investigated in this area although it enables EC models toextend their operation to unobserved event types. To fill in this gap, inthis work, we investigate event classification under the few-shot learningsetting. We propose a novel training method for this problem that exten-sively exploit the support set during the training process of a few-shotlearning model. In particular, in addition to matching the query exam-ple with those in the support set for training, we seek to further matchthe examples within the support set themselves. This method providesmore training signals for the models and can be applied to every metric-learning-based few-shot learning methods. Our extensive experiments ontwo benchmark EC datasets show that the proposed method can improvethe best reported few-shot learning models by up to 10% on accuracyfor event classification

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