collaborators

12 papers

cs.CL2026

MicroVerse: An Instrument for Measuring Self-Authored Identity Drift in Long-Horizon Multi-Agent Language-Model Simulations

Sky Ng, Brihi Joshi, Ishan Gupta +47

Long-horizon, multi-agent language model (LM) simulations are widely proposed for studying social behavior, yet instruments to measure whether persona-conditioned agents maintain i…

cs.MA2026

Do Multi-Agent LLMs Explore Each Other?

Hyeong Kyu Choi, Jiatong Li, Wendi Li +2

Exploration is essential for reliable autonomy in multi-agent systems, yet it remains unclear whether large language model (LLM) agents can explore effectively when interacting wit…

cs.LG2026

Multi-Head Recurrent Memory Agents

Jiatong Li, Samuel Yeh, Sharon Li

Recurrent memory agents extend LLMs to arbitrarily long contexts by iteratively consolidating input into a fixed-size memory window. Despite their scalability, these agents exhibit…

cs.CY2026

Generative AI impacts on intra-urban inequality and skill premium in Beijing

Xiliu He, Haoxiang Zhao, Mingyi Ma +6

Generative artificial intelligence (GenAI) is the first automation wave to reach high-cognitive tasks at scale, yet its effects on intra-urban inequality remain largely unknown. Us…

cs.CV2026

K-Sort Eval: Efficient Preference Evaluation for Visual Generation via Corrected VLM-as-a-Judge

Zhikai Li, Jiatong Li, Xuewen Liu +7

The rapid development of visual generative models raises the need for more scalable and human-aligned evaluation methods. While the crowdsourced Arena platforms offer human prefere…

cs.CL2026

Thinking Is Not Telling: Information Disclosure in User-Service LLM Agents

Jiatong Li, Changdae Oh, Hyeong Kyu Choi +2

User-engaged LLM agents increasingly operate in service scenarios where task success depends on coordination between the agent, the user, and a stateful environment. In such intera…

cs.AI2026

Uncertainty Quantification in LLM Agents: Foundations, Emerging Challenges, and Opportunities

Changdae Oh, Seongheon Park, To Eun Kim +8

Uncertainty quantification (UQ) for large language models (LLMs) is a key building block for safety guardrails of daily LLM applications. Yet, even as LLM agents are increasingly d…

cs.CL2026

Scaling Reasoning Hop Exposes Weaknesses: Demystifying and Improving Hop Generalization in Large Language Models

Zhaoyi Li, Jiatong Li, Gangwei Jiang +3

Chain-of-thought (CoT) reasoning has become the standard paradigm for enabling Large Language Models (LLMs) to solve complex problems. However, recent studies reveal a sharp perfor…

cs.AI2025

Reasoning Is All You Need for Urban Planning AI

Sijie Yang, Jiatong Li, Filip Biljecki

AI has proven highly successful at urban planning analysis -- learning patterns from data to predict future conditions. The next frontier is AI-assisted decision-making: agents tha…

cs.LG2025

Summarize-Exemplify-Reflect: Data-driven Insight Distillation Empowers LLMs for Few-shot Tabular Classification

Yifei Yuan, Jiatong Li, Weijia Zhang +3

Recent studies show the promise of large language models (LLMs) for few-shot tabular classification but highlight challenges due to the variability in structured data. To address t…

cs.CR2025

Benchmarking Poisoning Attacks against Retrieval-Augmented Generation

Baolei Zhang, Haoran Xin, Jiatong Li +5

Retrieval-Augmented Generation (RAG) has proven effective in mitigating hallucinations in large language models by incorporating external knowledge during inference. However, this…

cs.AI2025

Visual Instruction Bottleneck Tuning

Changdae Oh, Jiatong Li, Shawn Im +1

Despite widespread adoption, multimodal large language models (MLLMs) suffer performance degradation when encountering unfamiliar queries under distribution shifts. Existing method…