activity
20182026
most citedUniST: A Prompt-Empowered Universal Model for Urban Spatio-Temporal Prediction

105 citations · 478 across the 66 of their papers we have counts for

collaborators

72 papers

cs.SI2026

Inferring Hidden Structural Changes from Node-State Responses under Partial Network Observations

En Xu, Jingtao Ding, Yong Li

Online platforms often expose activity signals even when records of the underlying connections are incomplete or delayed. These activity responses may retain indirect evidence of c…

cs.AI2026

MechBench: Can AI Scientific Agents Discover Mechanisms Beyond Phenomenal Laws?

Zihan Yu, Jiadong Zhang, Jialin Cheng +2

Scientific discovery requires not only recovering mathematical laws that describe observable behavior, but also identifying the mechanisms that generate them. Existing benchmarks f…

cs.AI2026

SRHarness: A Harness for Agentic Symbolic Regression

Zihan Yu, Shixuan Zhou, Hao Huang +2

Recent agentic symbolic regression approaches increasingly rely on large language models to analyze data, select scientific operations, and refine hypotheses over long search traje…

cs.LG2026

CasEm: A Cascade Architecture for Long-Horizon Neural Emulation

Zhaoyi Li, Jingtao Ding, Shihua Li

Autoregressive neural emulators can drift or diverge over long rollouts despite accurate short-term predictions. We introduce Cascaded Emulation (CasEm), a one-way rollout architec…

cs.LG2026

BER-PEF: Unified Human Mobility Predictability Evaluation via Bayes Error Rate Estimation

En Xu, Jingtao Ding, Zhiwen Yu +1

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…

cs.IR2026

Tlow: Flow-based Item Tokenizer for Recommendation

Nian Li, Chonggang Song, Jingtao Ding +3

Item tokenizer encodes semantic embeddings into token IDs to replace the randomly assigned item IDs used in traditional recommendation models, fundamentally addressing the problems…

cs.HC2026

Act2Intention: A Benchmark For Developing Active Mobile Agents Through Inferring User Intention from GUI Actions

Xiaokai Yan, Jingtao Ding, Yong Li +1

Mobile GUI Agents powered by multimodal large language models (MLLMs) show promise in human-computer intelligence. However, current research primarily focuses on reactive task exec…

cs.LG2026

Fusing Urban Structure and Semantics: A Conditional Diffusion Model for Cross-City OD Matrix Generation

Bin Chen, Zhuoya Meng, Fang Yang +5

Accurate modeling of commuting flows is important for urban governance, traffic planning, and resource allocation. However, the combined influence of individual intentions, geograp…

cs.CL2026

LLMs Reading the Rhythms of Daily Life: Aligned Understanding for Behavior Prediction and Generation

Fanjin Meng, Jingtao Ding, Nian Li +2

Human daily behavior unfolds as complex sequences shaped by intentions, preferences, and context. Effectively modeling these behaviors is crucial for intelligent systems such as pe…

cs.IR2026

On the Accuracy Limits of Sequential Recommender Systems: An Entropy-Based Approach

En Xu, Jingtao Ding, Yong Li

Sequential recommender systems have achieved steady gains in offline accuracy, yet it remains unclear how close current models are to the intrinsic accuracy limit imposed by the da…

cs.AI2026

HVR-Met: A Hypothesis-Verification-Replanning Agentic System for Extreme Weather Diagnosis

Shuo Tang, Jiadong Zhang, Gengxian Zhou +11

While deep learning-based weather forecasting paradigms have made significant strides, addressing extreme weather diagnostics remains a formidable challenge. This gap exists primar…

cs.SI2026

Inferring Network Evolutionary History via Structure-State Coupled Learning

En Xu, Shihe Zhou, Huandong Wang +2

Inferring a network's evolutionary history from a single final snapshot with limited temporal annotations is fundamental yet challenging. Existing approaches predominantly rely on…

cs.LG2025

PID-controlled Langevin Dynamics for Faster Sampling of Generative Models

Hongyi Chen, Jianhai Shu, Jingtao Ding +2

Langevin dynamics sampling suffers from extremely low generation speed, fundamentally limited by numerous fine-grained iterations to converge to the target distribution. We introdu…

cs.LG2025

Fine-Tuning Flow Matching via Maximum Likelihood Estimation of Reconstructions

Zhaoyi Li, Jingtao Ding, Yong Li +1

Flow Matching (FM) models achieve remarkable results in generative tasks. Building upon diffusion models, FM's simulation-free training paradigm enables simplicity and efficiency b…

cs.LG2025

Beyond Model Ranking: Predictability-Aligned Evaluation for Time Series Forecasting

Wanjin Feng, Yuan Yuan, Jingtao Ding +1

In the era of increasingly complex AI models for time series forecasting, progress is often measured by marginal improvements on benchmark leaderboards. However, this approach suff…

cs.LG2025

MoveFM-R: Advancing Mobility Foundation Models via Language-driven Semantic Reasoning

Fanjin Meng, Yuan Yuan, Jingtao Ding +3

Mobility Foundation Models (MFMs) have advanced the modeling of human movement patterns, yet they face a ceiling due to limitations in data scale and semantic understanding. While…

cs.LG2025

ChaosNexus: A Foundation Model for ODE-based Chaotic System Forecasting with Hierarchical Multi-scale Awareness

Chang Liu, Bohao Zhao, Jingtao Ding +1

Foundation models have shown great promise in achieving zero-shot or few-shot forecasting for ODE-based chaotic systems via large-scale pretraining. However, existing architectures…

cs.LG2025

Beyond Accuracy and Complexity: The Effective Information Criterion for Structurally Stable Symbolic Regression

Zihan Yu, Guanren Wang, Jingtao Ding +2

Symbolic regression (SR) traditionally balances accuracy and complexity, implicitly assuming that simpler formulas are structurally more rational. We argue that this assumption is…

cs.LG2025

UniMove: A Unified Model for Multi-city Human Mobility Prediction

Chonghua Han, Yuan Yuan, Yukun Liu +3

Human mobility prediction is vital for urban planning, transportation optimization, and personalized services. However, the inherent randomness, non-uniform time intervals, and com…

physics.soc-ph2025★ 1 cited

Advancing network resilience theories with symbolized reinforcement learning

Yu Zheng, Jingtao Ding, Depeng Jin +2

Many complex networks display remarkable resilience under external perturbations, internal failures and environmental changes, yet they can swiftly deteriorate into dysfunction upo…

cs.HC2025

FingerTip 20K: A Benchmark for Proactive and Personalized Mobile LLM Agents

Qinglong Yang, Haoming Li, Haotian Zhao +4

Mobile GUI agents are becoming critical tools to improve user experience on smart devices, with multimodal large language models (MLLMs) emerging as the dominant paradigms in this…

physics.soc-ph2025

A Survey of Physics-Informed AI for Complex Urban Systems

En Xu, Huandong Wang, Yunke Zhang +8

Urban systems are typical examples of complex systems, where the integration of physics-based modeling with artificial intelligence (AI) presents a promising paradigm for enhancing…

cs.CV2025

OpenCarbon: A Contrastive Learning-based Cross-Modality Neural Approach for High-Resolution Carbon Emission Prediction Using Open Data

Jinwei Zeng, Yu Liu, Guozhen Zhang +4

Accurately estimating high-resolution carbon emissions is crucial for effective emission governance and mitigation planning. While conventional methods for precise carbon accountin…

cs.CE2025

Beyond Equilibrium: Non-Equilibrium Foundations Should Underpin Generative Processes in Complex Dynamical Systems

Jiazhen Liu, Ruikun Li, Huandong Wang +4

This position paper argues that next-generation non-equilibrium-inspired generative models will provide the essential foundation for better modeling real-world complex dynamical sy…