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Tree-structured Parzen estimators and Hyperopt

Contribution grade

Hyperparameter optimization · Human-designed research method or resource

Reference score145,000Provisional editorial estimate of this exact contribution; its grade is assessed separately.

What changed

Models promising versus remaining conditional configurations with density estimators and expected-improvement selection; Hyperopt packages structured stochastic search spaces, interchangeable optimizers and persistent asynchronous trials.

Scientific scope

Models promising versus remaining conditional configurations with density estimators and expected-improvement selection; Hyperopt packages structured stochastic search spaces, interchangeable optimizers and persistent asynchronous trials. Related algorithm/library lineage bundled with distinct four/three-author source bylines. TPE's density factorization limits modeling of parameter interactions; selected candidates approximate acquisition maximization. Hyperopt2013offers random search/TPE while other optimizers are future work. Parallelism trades per-evaluation efficiency for wall time; no global finite-budget guarantee.

Evidence

The linked original sources describe the stated contribution and its evidence limits. WRS has not independently rerun the experiments or certified a proof. Related algorithm/library lineage bundled with distinct four/three-author source bylines. TPE's density factorization limits modeling of parameter interactions; selected candidates approximate acquisition maximization. Hyperopt2013offers random search/TPE while other optimizers are future work. Parallelism trades per-evaluation efficiency for wall time; no global finite-budget guarantee.

Contributors

Provisional WRS assessment, edition 2026-10-16.1. Independent expert calibration is pending. This grade does not certify correctness or assign ownership.

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