activity
20242026
collaborators

5 papers

cs.LG2026

Vector Quantized Latent Concepts: A Scalable Alternative to Clustering-Based Concept Discovery

Xuemin Yu, Ankur Garg, Samira Ebrahimi Kahou +1

Large language models (LLMs) encode rich semantic information in their hidden states, yet it remains difficult to understand what information these internal representations capture…

cs.LG2026

Cross-Layer Discrete Concept Discovery for Interpreting Language Models

Ankur Garg, Xuemin Yu, Hassan Sajjad +1

Interpreting language models remains challenging due to the existence of residual stream, which linearly mixes and duplicates features across adjacent layers, causing single-layer…

cs.AI2026

ORPR: An OR-Guided Pretrain-then-Reinforce Learning Model for Inventory Management

Lingjie Zhao, Xue Yu, Yongzhi Qi +6

As the pursuit of synergy between Artificial Intelligence (AI) and Operations Research (OR) gains momentum in handling complex inventory systems, a critical challenge persists: how…

cs.MA2025

Static Sandboxes Are Inadequate: Modeling Societal Complexity Requires Open-Ended Co-Evolution in LLM-Based Multi-Agent Simulations

Jinkun Chen, Sher Badshah, Xuemin Yu +1

What if artificial agents could not just communicate, but also evolve, adapt, and reshape their worlds in ways we cannot fully predict? With llm now powering multi-agent systems an…

cs.CL2024

Latent Concept-based Explanation of NLP Models

Xuemin Yu, Fahim Dalvi, Nadir Durrani +2

Interpreting and understanding the predictions made by deep learning models poses a formidable challenge due to their inherently opaque nature. Many previous efforts aimed at expla…