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4,920 papers

#machine learning Preprint Aug 2026

CrystalGRPO: Target-Aligned and Coverage-Preserving Reinforcement Learning for Flow-Based Crystal Structure Prediction

This work introduces CrystalGRPO, a CSP-aligned post-training framework that extends existing ODE-to-SDE policy constructions to the joint coordinate--lattice state and provides two operating modes: CrystalGRPO-Q, which prioritizes single-draw recovery, and CrystalGRPO-C, which combines full-trajectory reference regularization with a coverage-aware group advantage to preserve finite-budget target recovery.

Kaixiang Su, Hongfei Xue, Qiang Zhu · 0 citations
#machine learning Preprint Aug 2026

Simulation-free and finite-time diffusion model

A framework for designing the reference process that achieves tractable time-dependent conditional distributions and then construct the reference process realizing them as its marginals is proposed, revealing that score matching is not fundamental to diffusion-model training but instead emerges naturally through reversal of the reference process.

Kentaro Kaba, Masayuki Ohzeki, Yuki Sughiyama · 0 citations
#machine learning Preprint Aug 2026

Conformalized Large Language Models under Configuration Shift

It is found that configuration shift consistently erodes CP validity, often driving empirical coverage below the target, and coverage lower bounds are derived that attribute this loss to a discrepancy between calibration and test score distributions.

Yuqicheng Zhu, Jia-Lin Yu, Lin Li et al. · 0 citations

SERUM: State Extraction and Refinement for User Modeling

SERUM is the first system to produce interpretable process models from unstructured egocentric screen video without manual annotation, opening a scalable pathway for user modeling and behavioral understanding in the wild.

Andy J. Phu, Karin de Langis, James C Mooney et al. · 0 citations

A2TTA: Anchored-and-Agile Test-Time Adaptation for Evolving Traffic Sensor Networks

A2TTA is proposed, an Anchored-and-Agile Test-Time Adaptation framework for evolving traffic sensor networks, which transforms topology-induced forecasting errors into an expandable output calibration problem and separates tem- poral adaptation into persistent global correction and agile context-specific specialization.

Du Yin, Xiachong Lin, Yuejie Tan et al. · 0 citations

Synthetic Speech, Real Signal: Paralinguistic Preservation and Cross-Lingual Augmentation via Voice Cloning

It is found that training on cloned data outperforms raw cross-lingual transfer for depression and anxiety detection on real Japanese speech, suggesting voice cloning is a promising direction for augmenting clinical speech data in low-resource languages.

R. Polle, Owen Parsons, George Fairs et al. · 0 citations
#artificial intelligence Review Jul 2026

Error Certificates for KV-Cache Eviction via Randomized Design

It is proved that no estimator computable from the information a deterministic scheme retains is consistent for its own eviction error: evicted values can be altered so that everything retained is unchanged while the true attention-output error grows without bound.

Peng Xie · 0 citations
#machine learning Preprint Jul 2026

Seq2Synth: Benchmarking Temporal Fidelity in Synthetic Sequential Tabular Data

Seq2Synth is introduced, a unified benchmark for assessing temporal and schema properties to determine applicable evaluations, covering timestamp, cross-sectional, longitudinal, and structural fidelity, alongside trajectory-aware utility and privacy.

Kiwan Kwon, Kangmin Kim, Ho-Jin Lee et al. · 0 citations

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GPT-Lab Sep 3, 2026

Adaptive AI Agents in Construction Workflows

Adaptive AI agents can help make BIM data more machine-readable by navigating IFC models, interpreting inconsistent information, and mapping it to defined standards. In this blog, Alok Rawat shares findings from a real-world pilot in construction workflows. The post Adaptive AI Agents in Construction Workflows appeared first on GPT-Lab.

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