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Rui-Tong Zhang

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#artificial intelligence Preprint Sep 2026

BITS: Rethinking Fair and Comprehensive Evaluation for Irregular Time Series Forecasting

Despite recent progress in irregular time series forecasting, the field still lacks a unified benchmark for fair and comprehensive evaluation. Existing evaluations are often conducted on a limited set of datasets with inconsistent experimental protocols and predominantly error-based metrics, rendering it difficult to c...

Kang-Jia Yan, Lin-Feng Wang, Tian Shen et al. · 0 citations
Preprint Aug 2026

Forward-Evolution Error Analysis and Adaptive Design for Matrix-Valued Diffusion Models

This analysis transfers reverse-time discretization errors to the forward corruption law and treats two numerical schemes within a common framework, which identifies a local error, accumulates it through the forward evolution, and inserts the result into a common KL decomposition.

T. Pang, Zuowei Shen, Rui-Tong Zhang · 1 citation
Preprint Aug 2026

DREAM Technical Report

This work presents DREAM (Developing Recommender Engine with Agentic Methods), an autonomous optimization control architecture that adds a perception-aware, orchestrable, and auditable policy layer atop existing pipelines without replacing them, supporting agentic meta-control as a viable paradigm for industrial recomm...

Bin Zhang, Bo-Wen Zheng, Chao Yi et al. · 0 citations

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