Search Results for author: Alpha A. Lee

Found 16 papers, 11 papers with code

Matbench Discovery -- A framework to evaluate machine learning crystal stability predictions

2 code implementations28 Aug 2023 Janosh Riebesell, Rhys E. A. Goodall, Philipp Benner, Yuan Chiang, Bowen Deng, Alpha A. Lee, Anubhav Jain, Kristin A. Persson

The top 3 models are UIPs, the winning methodology for ML-guided materials discovery, achieving F1 scores of ~0. 6 for crystal stability classification and discovery acceleration factors (DAF) of up to 5x on the first 10k most stable predictions compared to dummy selection from our test set.

Formation Energy

Dataset Bias in the Natural Sciences: A Case Study in Chemical Reaction Prediction and Synthesis Design

no code implementations6 May 2021 Ryan-Rhys Griffiths, Philippe Schwaller, Alpha A. Lee

Datasets in the Natural Sciences are often curated with the goal of aiding scientific understanding and hence may not always be in a form that facilitates the application of machine learning.

BIG-bench Machine Learning Chemical Reaction Prediction +1

Bayesian unsupervised learning reveals hidden structure in concentrated electrolytes

1 code implementation19 Dec 2020 Penelope Jones, Fabian Coupette, Andreas Härtel, Alpha A. Lee

Electrolytes play an important role in a plethora of applications ranging from energy storage to biomaterials.

Investigating 3D Atomic Environments for Enhanced QSAR

1 code implementation24 Oct 2020 William McCorkindale, Carl Poelking, Alpha A. Lee

Most approaches use molecular descriptors based on a 2D representation of molecules as a graph of atoms and bonds, abstracting away the molecular shape.

Materials Graph Transformer predicts the outcomes of inorganic reactions with reliable uncertainties

1 code implementation30 Jul 2020 Shreshth A. Malik, Rhys E. A. Goodall, Alpha A. Lee

A common bottleneck for materials discovery is synthesis.

Computational Physics Materials Science

Coarse-graining and designing liquids by combining machine learning with liquid state theory

1 code implementation20 Apr 2020 Rhys E. A. Goodall, Alpha A. Lee

Pioneering work in liquid state theory derived analytical closures for the framework.

Soft Condensed Matter Computational Physics

Achieving Robustness to Aleatoric Uncertainty with Heteroscedastic Bayesian Optimisation

1 code implementation17 Oct 2019 Ryan-Rhys Griffiths, Alexander A. Aldrick, Miguel Garcia-Ortegon, Vidhi R. Lalchand, Alpha A. Lee

Bayesian optimisation is a sample-efficient search methodology that holds great promise for accelerating drug and materials discovery programs.

Bayesian Optimisation Decision Making +1

Predicting materials properties without crystal structure: Deep representation learning from stoichiometry

3 code implementations1 Oct 2019 Rhys E. A. Goodall, Alpha A. Lee

Machine learning has the potential to accelerate materials discovery by accurately predicting materials properties at a low computational cost.

BIG-bench Machine Learning Materials Screening +1

Antifragile and Robust Heteroscedastic Bayesian Optimisation

no code implementations25 Sep 2019 Ryan Rhys-Griffiths, Miguel Garcia-Ortegon, Alexander A. Aldrick, Alpha A. Lee

Bayesian Optimisation is an important decision-making tool for high-stakes applications in drug discovery and materials design.

Bayesian Optimisation Decision Making +1

Geometry of energy landscapes and the optimizability of deep neural networks

no code implementations1 Aug 2018 Simon Becker, Yao Zhang, Alpha A. Lee

Deep neural networks are workhorse models in machine learning with multiple layers of non-linear functions composed in series.

BIG-bench Machine Learning

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