Advancing Extrapolative Predictions of Material Properties through Learning to Learn

• URL: http://arxiv.org/abs/2404.08657v1
• Date: Mon, 25 Mar 2024 09:30:19 GMT
• Title: Advancing Extrapolative Predictions of Material Properties through Learning to Learn
• Authors: Kohei Noda, Araki Wakiuchi, Yoshihiro Hayashi, Ryo Yoshida,
• Abstract summary: We use attention-based architecture of neural networks and meta-learning algorithms to acquire extrapolative generalization capability. We highlight the potential of such extrapolatively trained models, particularly with their ability to rapidly adapt to unseen material domains.
• Score: 1.3274508420845539
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Recent advancements in machine learning have showcased its potential to significantly accelerate the discovery of new materials. Central to this progress is the development of rapidly computable property predictors, enabling the identification of novel materials with desired properties from vast material spaces. However, the limited availability of data resources poses a significant challenge in data-driven materials research, particularly hindering the exploration of innovative materials beyond the boundaries of existing data. While machine learning predictors are inherently interpolative, establishing a general methodology to create an extrapolative predictor remains a fundamental challenge, limiting the search for innovative materials beyond existing data boundaries. In this study, we leverage an attention-based architecture of neural networks and meta-learning algorithms to acquire extrapolative generalization capability. The meta-learners, experienced repeatedly with arbitrarily generated extrapolative tasks, can acquire outstanding generalization capability in unexplored material spaces. Through the tasks of predicting the physical properties of polymeric materials and hybrid organic--inorganic perovskites, we highlight the potential of such extrapolatively trained models, particularly with their ability to rapidly adapt to unseen material domains in transfer learning scenarios.

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