activity
20242026
collaborators

8 papers

cs.CL2026

An expressivity analysis of hierarchical modelling in deep transformers via bounded-depth grammars

Vinoth Nandakumar, Qiang Qu, Pramod Thebe +2

Deep neural networks are widely believed to derive their expressive power from their ability to form \textbf{hierarchical representations}, capturing progressively more abstract an…

cs.CL2026

RuCL: Stratified Rubric-Based Curriculum Learning for Multimodal Large Language Model Reasoning

Yukun Chen, Jiaming Li, Longze Chen +10

Reinforcement Learning with Verifiable Rewards (RLVR) has emerged as a prevailing paradigm for enhancing reasoning in Multimodal Large Language Models (MLLMs). However, relying sol…

cs.AI2026

Beyond Quantity: Trajectory Diversity Scaling for Code Agents

Guhong Chen, Chenghao Sun, Cheng Fu +16

As code large language models (LLMs) evolve into tool-interactive agents via the Model Context Protocol (MCP), their generalization is increasingly limited by low-quality synthetic…

cs.CL2025

AgentCourt: Simulating Court with Adversarial Evolvable Lawyer Agents

Guhong Chen, Liyang Fan, Zihan Gong +8

Current research in LLM-based simulation systems lacks comprehensive solutions for modeling real-world court proceedings, while existing legal language models struggle with dynamic…

cs.CL2025

OmniCharacter: Towards Immersive Role-Playing Agents with Seamless Speech-Language Personality Interaction

Haonan Zhang, Run Luo, Xiong Liu +10

Role-Playing Agents (RPAs), benefiting from large language models, is an emerging interactive AI system that simulates roles or characters with diverse personalities. However, exis…

cs.CL2025

AutoCBT: An Autonomous Multi-agent Framework for Cognitive Behavioral Therapy in Psychological Counseling

Ancheng Xu, Di Yang, Renhao Li +13

Traditional in-person psychological counseling remains primarily niche, often chosen by individuals with psychological issues, while online automated counseling offers a potential…