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data science

3,822 papers

First-Order Efficiency for Probabilistic Value Estimation via A Statistical Viewpoint

This work proposes an Efficiency-Aware Surrogate-adjusted Estimator (EASE) that directly chooses the sampling law and surrogate to minimize the leading mean squared error (MSE), and demonstrates that EASE consistently outperforms existing estimators for various probabilistic values.

Ziqi Liu, Kiljae Lee, Yuan Zhang et al. · 1 citation
#machine learning Preprint Aug 2026

SIGMA: Symmetry-aware, Intelligent, Geometric, Multi-objective Adaptive Control for Robust, Dependable Traffic Management

SIGMA converts natural-language emergency commands into priority vectors for a multi-objective actor-critic controller, avoiding manual reward engineering and offers a reliable, language-guided, multi-objective traffic control system with statistical reliability assurance.

Pratham Payra, B. Jagadish, T. Sen et al. · 0 citations

What Does a Discrete Diffusion Model Learn?

This framework identifies which law each loss in the literature actually optimizes, recovering MDM, UDM, SEDD, and GIDD as special cases; explains why denoiser and cavity coincide for masked diffusion but not for uniform diffusion; proves that a denoiser parameterization makes the uniform ELBO diverge at initialization...

Rodrigo Casado Noguerales, B. Schölkopf, Thomas Hofmann et al. · 1 citation
#machine learning Preprint Aug 2026

Scale-Consistent Posterior Dynamics for Diffusion Inverse Problems

Posterior sampling with a pretrained diffusion prior is governed by a conditional score whose intermediate likelihood component is generally intractable. We begin from an ideal one-parameter posterior SDE family in which a stochasticity parameter controls probability-flow transport and stochastic exploration without ch...

Zhaoqiang Liu, T. Pang, Ruibing Wang et al. · 0 citations
#data science Review Nov 2026

Current Strategy for Implementing Advanced Tech to Address Multidrug Resistant Bacteria

These technologies offer promising alternatives to failing antibiotics, especially against pathogens with complex resistance mechanisms, however, limitations include toxicity concerns, immunological variability, immunological variability, lack of clinical validation, and cost barriers.

Rajeshwar Vodeti, V. Bakshi, Somasundaram Indirabanu et al. · 0 citations
#machine learning Preprint Aug 2026

Designing Reinforcement Learning for Diffusion Models: A Unified Path-Space View

The empirical gap between these method families is identified as a variance-reduction effect rather than a difference in RL principle, and a multi-sample KDE value-gradient estimator that reuses rollout groups, together with scale-bounded weight families that retain stable existing recipes while excluding singular ones...

Yi-Xian Xu, Yuanrui Zhang, Sheng-Jie Luo et al. · 3 citations
#artificial intelligence Open access 2024

AI-Powered Anomaly Detection in Cloud-Based Applications

The findings suggest that AI-powered anomaly detection significantly strengthens observability and security in cloud-based applications, enabling proactive threat mitigation and operational optimization in increasingly complex distributed environments.

Harsh Verma · 1 citation
#machine learning Review Jul 2026

CausalSmith: A Formally Grounded, Self-Improving Agentic Framework for Automated Research in Causal Inference

A framework for automated theoretical research in causal inference built on the Lean proof assistant, where a proof is checked by a program rather than read by a referee is presented, where a proof is checked by a program rather than read by a referee.

Jiyuan Tan, Vasilis Syrgkanis · 0 citations
#machine learning Preprint Jul 2026

DAGR: State-Conditioned Goal Representations via Difference-Aware Goal Cross-Attention

Goal-conditioned reinforcement learning hinges on how the goal is encoded. Contrastive, metric, temporal-distance, and information-theoretic encoders differ in objective. They still share one trait. None of them sees the current state. Such a state-independent embedding cannot mark which part of the goal still needs ac...

Xing Lei, Wenyan Yang, Xuetao Zhang et al. · 0 citations
#data science Preprint Aug 2026

Inference and Uncertainty Quantification for Streaming $r$-PCA

A matching lower bound is proved, up to logarithmic factors, across both dense-tail and sparse-tail regimes under a mild nondegeneracy condition, which enables a high-dimensional Gaussian approximation for the general-rank subspace estimation error with an explicit limiting covariance.

Hao-Shu Xu, Hong-Zhe Li · 0 citations

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