activity
20232026
most citedJoint Estimation and Prediction of City-wide Delivery Demand: A Large Language Model Empowered Graph-based Learning Approach

18 citations · 29 across the 15 of their papers we have counts for

collaborators

16 papers

cs.RO2026

World Models as Adversaries: Multi-Agent Self-Play Fine-Tuning for Robust Motion Planning

Tong Nie, Yuewen Mei, Junlin He +3

Robust motion planning in dense traffic requires autonomous vehicles to interact in rare and safety-critical scenarios that are underrepresented in naturalistic driving data. Altho…

cs.AI2026

EvoDrive: Pareto Evolution for Safety-Critical Autonomous Driving via Self-Improving LLM Agents

Tong Nie, Yuewen Mei, Yihong Tang +4

Generating safety-critical scenarios is essential for validating and improving autonomous driving systems, yet it inherently requires maximizing adversariality to expose failures w…

cs.AI2026

MobEvolve: An Agentic Self-Evolving Heuristic System for Interpretable Human Mobility Generation

Junlin He, Yihong Tang, Tong Nie +6

Human mobility generation aims to synthesize realistic trip chains for target populations based on individual features. Existing paradigms, including deep generative models, LLM-ba…

cs.CL2026

Reasoning-preserved Efficient Distillation of Large Language Models via Activation-aware Initialization

Junlin He, Yihong Tang, Tong Nie +5

Efficient Distillation (EDistill) compresses large language models (LLMs) by structured pruning parameters and tuning lightweight modules with high training efficiency. Although th…

cs.LG2026

Bridge: Retrieval-Augmented Spatiotemporal Modeling for Urban Delivery Demand

Yihong Tang, Tong Nie, Junlin He +3

Forecasting urban delivery demand becomes substantially more challenging when newly added service regions lack historical records. Existing spatiotemporal forecasters effectively m…

cs.LG2026

ADV-0: Closed-Loop Min-Max Adversarial Training for Long-Tail Robustness in Autonomous Driving

Tong Nie, Yihong Tang, Junlin He +5

Deploying autonomous driving systems requires robustness against long-tail scenarios that are rare but safety-critical. While adversarial training offers a promising solution, exis…

cs.LG2025

Solving Oversmoothing in GNNs via Nonlocal Message Passing: Algebraic Smoothing and Depth Scalability

Weiqi Guan, Junlin He

The relationship between Layer Normalization (LN) placement and the oversmoothing phenomenon remains underexplored. We identify a critical dilemma: Pre-LN architectures avoid overs…

cs.CV2025

E3AD: An Emotion-Aware Vision-Language-Action Model for Human-Centric End-to-End Autonomous Driving

Yihong Tang, Haicheng Liao, Tong Nie +7

End-to-end autonomous driving (AD) systems increasingly adopt vision-language-action (VLA) models, yet they typically ignore the passenger's emotional state, which is central to co…

stat.AP2025

Estimating Real Demand Using a Flipped Queueing Model: A Case of Shared Micro-Mobility Services

Binyu Yang, Jinxiao Du, Junlin He +2

The spatial-temporal imbalance between supply and demand in shared micro-mobility services often leads to observed demand being censored, resulting in incomplete records of the und…

cs.AI2025

Steerable Adversarial Scenario Generation through Test-Time Preference Alignment

Tong Nie, Yuewen Mei, Yihong Tang +5

Adversarial scenario generation is a cost-effective approach for safety assessment of autonomous driving systems. However, existing methods are often constrained to a single, fixed…

cs.LG2025

LLMSynthor: Macro-Aligned Micro-Records Synthesis with Large Language Models

Yihong Tang, Menglin Kong, Junlin He +3

Macro-aligned micro-records are crucial for credible simulations in social science and urban studies. For example, epidemic models are only reliable when individual-level mobility…

cs.LG2024★ 1 cited

Preventing Dimensional Collapse in Self-Supervised Learning via Orthogonality Regularization

Junlin He, Jinxiao Du, Wei Ma

Self-supervised learning (SSL) has rapidly advanced in recent years, approaching the performance of its supervised counterparts through the extraction of representations from unlab…

cs.LG2024

Preventing Model Collapse in Deep Canonical Correlation Analysis by Noise Regularization

Junlin He, Jinxiao Du, Susu Xu +1

Multi-View Representation Learning (MVRL) aims to learn a unified representation of an object from multi-view data. Deep Canonical Correlation Analysis (DCCA) and its variants shar…

cs.LG2024★ 18 cited

Joint Estimation and Prediction of City-wide Delivery Demand: A Large Language Model Empowered Graph-based Learning Approach

Tong Nie, Junlin He, Yuewen Mei +4

The proliferation of e-commerce and urbanization has significantly intensified delivery operations in urban areas, boosting the volume and complexity of delivery demand. Data-drive…

cs.AI2024★ 3 cited

Geolocation Representation from Large Language Models are Generic Enhancers for Spatio-Temporal Learning

Junlin He, Tong Nie, Wei Ma

In the geospatial domain, universal representation models are significantly less prevalent than their extensive use in natural language processing and computer vision. This discrep…

cs.IR2023★ 7 cited

Query-dominant User Interest Network for Large-Scale Search Ranking

Tong Guo, Xuanping Li, Haitao Yang +9

Historical behaviors have shown great effect and potential in various prediction tasks, including recommendation and information retrieval. The overall historical behaviors are var…