Scientific discovery requires not only recovering mathematical laws that describe observable behavior, but also identifying the mechanisms that generate them. Existing benchmarks for symbolic regression and scientific agents primarily evaluate phenomenal-law recovery, leaving mechanism discovery largely untested. We in...
Zihan Yu, Jia-Dong Zhang, Jia-Lin Cheng et al.· 0 citations
Recent agentic symbolic regression approaches increasingly rely on large language models to analyze data, select scientific operations, and refine hypotheses over long search trajectories. In such systems, performance depends not only on the underlying model and search strategy, but also on the runtime infrastructure t...
Zihan Yu, Shi-Xuan Zhou, Hao Huang et al.· 0 citations
Item tokenizer encodes semantic embeddings into token IDs to replace the randomly assigned item IDs used in traditional recommendation models, fundamentally addressing the problems of excessive parameters and cold starts. However, the most common tokenizer, RQ-VAE, suffers from low decoding efficiency due to the inhere...
Nian Li, Chonggang Song, Jing-Tao Ding et al.· 0 citations
Human mobility predictability concerns the best prediction performance attainable from a given target and input information, but its ground truth is not directly observable on real mobility data. We present BER-PEF, a Bayes-error-rate-based framework that converts BER estimation into mobility predictability estimation...
En Xu, Jing-Tao Ding, Zhi-Wen Yu et al.· 0 citations
This work proposes Real-time Adaptive Physics-Informed Diffusion (RAPID), a unified framework explicitly designed to balance high-fidelity generation with strict real-time constraints, and establishes a new state-of-the-art balance between fidelity and safety.
Zihan Yu, Huandong Wang, Jing-Tao Ding et al.· Proceedings of the 32nd ACM...· 0 citations
The Act2Intention framework is proposed, which builds an active mobile agent by integrating understanding, predicting user intentions, and executing decisions, and establishes a standardized platform for developing and evaluating proactive agents and consequently paves the way for research on intention-driven human-com...
Xiao-Kai Yan, Jing-Tao Ding, Yong Li et al.· Proceedings of the ACM on In...· 1 citation
Generating realistic and diverse pedestrian background flows is critical for numerous downstream applications, ranging from the training and validation of autonomous driving systems to the simulation of mobile communication networks. While recent diffusion-based models achieve state-of-the-art accuracy, they suffer fro...
Zihan Yu, Huandong Wang, Jingtao Ding et al.· Proceedings of the 32nd ACM...· 0 citations
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