On-device research index

arXiv research

A locally-built, LLM-digested index of recent arXiv papers in quant finance, geometry/topology, and statistical ML — keyword search served straight from SQLite on this machine.

168,657 papers · 148 categories

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3 results for “power-likelihood”

A weighted-likelihood framework for class imbalance in Bayesian prediction modelsstat.AP

Bayesian framework improves minority class performance in class-imbalanced data.

problem Class imbalance in predictive toxicology models.

method Weighted likelihood approach modifying likelihood function weights inversely proportional to class proportions.

result Improves balanced accuracy and sensitivity for minority class (toxic compounds).

Bayesian prediction class imbalance toxicology drug-induced liver injury power-likelihood

2025-04-23abs ↗pdf ↗

Uncertainty quantification using martingales for misspecified Gaussian processesstat.ML

New method improves GP uncertainty quantification for misspecified priors.

problem Uncertainty quantification for GPs under incorrect priors.

method Constructs a confidence sequence using martingale techniques.

result Empirically outperforms standard GP methods in robustness and utility for Bayesian Optimization.

Gaussian processes Bayesian optimization misspecified priors martingales confidence sequences

2020-06-12abs ↗pdf ↗

A Contrastive Learning Approach for Training Variational Autoencoder Priorscs.LG

Improved VAEs by training a contrastive prior to match posterior.

problem Prior hole problem in VAEs, leading to poor image generation.

method Introduced a contrastive energy-based prior and trained it using noise contrastive estimation.

result Significant improvement in VAE generative performance on various datasets.

VAE Contrastive Learning Prior Generative Models Noise Contrastive Estimation

2020-10-06abs ↗pdf ↗