Author

Rui-Kang Zhang

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#artificial intelligence Open access Oct 2026

RxnExBench: Benchmarking Vision-Language Models for Structured Chemical Reaction Extraction from Scientific Literature

Screen Tables and Substrate Scopes are information-dense figures widely used in synthetic chemistry literature, yet automated extraction of structured reaction data from them remains challenging. We introduce RxnExBench, a multimodal benchmark for fine-grained reaction-level evaluation. Built from high-impact chemistry...

Jia-Xing Sun, Jun-Yuan Gao, Rui-Kang Zhang et al. · Conference on Empirical Meth... · 0 citations

#artificial intelligence Preprint Sep 2026

From Outcomes to Strategies: Learning Strategy Utility for Mathematical Reasoning

This paper introduces SURE, a framework for learning and leveraging relative strategy utility, which is defined as the likelihood that a strategy supports a correct downstream solution under a given executor.

Rui-Kang Zhang, Xiao An, Xu-Li Shen et al. · 0 citations

#small language model Preprint Sep 2026

From Pixels to Hierarchical Sequences: Quadtree Mask Encoding for Vision-Language Binary Change Detection

QUAKE-CD represents binary change masks as grammar-constrained quadtree token sequences, making the masks compact, syntactically checkable, and deterministically decodable within an autoregressive generation space.

Xiao An, Rui-Kang Zhang, Cheng Zhong et al. · 0 citations