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SPECIFICTION
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ALEF

github.com

Free plan Linux
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Spec score 7.7 #4 of 16 in Active Learning Tools

Spec sheet

Purpose
ALEF provides classes and scripts for active learning of stochastic models such as Gaussian Processes.Read 14 Nov 2026 · github.com
Security
The opened repository page does not provide a product security or compliance statement.Read 14 Nov 2026 · github.com
Support
For code questions, the README names Matthias Bitzer and Cen-You Li as contacts.Read 14 Nov 2026 · github.com
License
The software is open-sourced under the AGPL-3.0 license.Read 14 Nov 2026 · github.com
Availability
The repository page lists no releases or packages.Read 14 Nov 2026 · github.com
Bayesian optimization
The Bayesian optimization module implements query-based optimization with acquisition functions such as GP-UCB and EI.Read 14 Nov 2026 · github.com
Design methods
Its experimental-design methods include pool-based, oracle-based, and safe active learning, as well as Bayesian optimization.Read 14 Nov 2026 · github.com
Examples
The main usage of the repository's building blocks is illustrated in Jupyter notebooks.Read 14 Nov 2026 · github.com
Models and kernels
Implemented models include standard and marginalized-hyperparameter GPs and Deep GPs; kernels include Deep Kernels and Neural Kernel Network.Read 14 Nov 2026 · github.com
Pool-based learning
The pool-based learner can use acquisition functions including Entropy and Variance and validation metrics including RMSE and NLL.Read 14 Nov 2026 · github.com
Safe learning
Safe active learning uses a safety model, a data pool with safety labels, and a safety threshold.Read 14 Nov 2026 · github.com
Setup
The repository instructs users to create its Conda environment and install the package in editable mode with pip.Read 14 Nov 2026 · github.com

Plans and prices

ALEF (AGPL-3.0 open-source software) Free Not stated AGPL-3.0 license Read 14 Nov 2026 · github.com

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