Issue 2, 2024

Realistic material property prediction using domain adaptation based machine learning

Abstract

Materials property prediction models are usually evaluated using random splitting of datasets into training and test datasets, which not only leads to over-estimated performance due to inherent redundancy, typically existent in material datasets, but also deviate from the common practice of materials scientists: they are usually interested in predicting properties for a known subset of related out-of-distribution (OOD) materials rather than universally distributed samples. Feeding such target material formulae/structures to the machine learning models should improve the prediction performance while most current machine learning (ML) models neglect this information. Here we propose to use domain adaptation (DA) to enhance current ML models for property prediction and evaluate their performance improvements in a set of five realistic application scenarios. Our systematic benchmark studies show that there exist DA models that can significantly improve the OOD test set prediction performance while standard ML models and most of the other DA techniques cannot improve or even deteriorate the performance. Our benchmark datasets and DA code can be freely accessed at https://github.com/Little-Cheryl/MatDA.

Graphical abstract: Realistic material property prediction using domain adaptation based machine learning

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Article information

Article type
Paper
Submitted
21 Aug 2023
Accepted
19 Dec 2023
First published
22 Dec 2023
This article is Open Access
Creative Commons BY-NC license

Digital Discovery, 2024,3, 300-312

Realistic material property prediction using domain adaptation based machine learning

J. Hu, D. Liu, N. Fu and R. Dong, Digital Discovery, 2024, 3, 300 DOI: 10.1039/D3DD00162H

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