Meta-Learning Linear Models for Molecular Property Prediction

• URL: http://arxiv.org/abs/2509.13527v1
• Date: Tue, 16 Sep 2025 20:41:45 GMT
• Title: Meta-Learning Linear Models for Molecular Property Prediction
• Authors: Yulia Pimonova, Michael G. Taylor, Alice Allen, Ping Yang, Nicholas Lubbers,
• Abstract summary: We introduce LAMeL - a Linear Algorithm for Meta-Learning that preserves interpretability while improving the prediction accuracy across multiple properties.<n>Our method delivers performance improvements ranging from 1.1- to 25-fold over standard ridge regression, depending on the domain of the dataset.
• Score: 3.9685594339912633
• License: http://creativecommons.org/licenses/by/4.0/
• Abstract: Chemists in search of structure-property relationships face great challenges due to limited high quality, concordant datasets. Machine learning (ML) has significantly advanced predictive capabilities in chemical sciences, but these modern data-driven approaches have increased the demand for data. In response to the growing demand for explainable AI (XAI) and to bridge the gap between predictive accuracy and human comprehensibility, we introduce LAMeL - a Linear Algorithm for Meta-Learning that preserves interpretability while improving the prediction accuracy across multiple properties. While most approaches treat each chemical prediction task in isolation, LAMeL leverages a meta-learning framework to identify shared model parameters across related tasks, even if those tasks do not share data, allowing it to learn a common functional manifold that serves as a more informed starting point for new unseen tasks. Our method delivers performance improvements ranging from 1.1- to 25-fold over standard ridge regression, depending on the domain of the dataset. While the degree of performance enhancement varies across tasks, LAMeL consistently outperforms or matches traditional linear methods, making it a reliable tool for chemical property prediction where both accuracy and interpretability are critical.

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