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Weize Chen

25 accepted papers

2026

A High-DOF BCI Control Strategy Mapping Discrete Commands to Continuous Motion for a Drone (I)

ICRA 2026poster

Because of the non-stationary nature of electroencephalogram (EEG) signals, traditional non-invasive brain-computer interfaces (BCIs) usually only produce discrete commands, limiting their ability to control external devices continuously. This study proposes a novel BCI control strategy mapping mult…

Cited by 0Scholar
2026

CPMöbius: Iterative Coach–Player Reasoning for Data-Free Reinforcement Learning

ICML 2026poster

Large Language Models (LLMs) have demonstrated strong potential in complex reasoning, yet their progress remains fundamentally constrained by reliance on massive high-quality human-curated tasks and labels, either through supervised fine-tuning (SFT) or reinforcement learning (RL) on reasoning-speci…

Cited by 0SourceScholar
2026

From f(x) and g(x) to f(g(x)): LLMs Learn New Skills in RL by Composing Old Ones

ICLR 2026poster

Does reinforcement learning (RL) teach large language models (LLMs) genuinely new skills, or does it merely activate existing ones? This question lies at the core of ongoing debates about the role of RL in LLM post-training. On one side, strong empirical results can be achieved with RL alone even wi…

Cited by 0SourcecodeScholar
2026

MiniCPM-V 4.5: Cooking Efficient MLLMs via Architecture, Data, and Training Recipe

CVPR 2026

Multimodal Large Language Models (MLLMs) are undergoing rapid progress and represent the frontier of AI development. However, their training and inference efficiency have emerged as a core bottleneck in making MLLMs more accessible and scalable. To address the challenges, we present MiniCPM-V 4.5, a

Cited by 0SourcecodeScholar
2025

AgentRM: Enhancing Agent Generalization with Reward Modeling

ACL 2025long

Existing LLM-based agents have achieved strong performance on held-in tasks, but their generalizability to unseen tasks remains poor. Hence, some recent work focus on fine-tuning the policy model with more diverse tasks to improve the generalizability. In this work, we find that finetuning a reward…

2025

Internet of Agents: Weaving a Web of Heterogeneous Agents for Collaborative Intelligence

ICLR 2025spotlight

The rapid advancement of large language models (LLMs) has paved the way for the development of highly capable autonomous agents. However, existing multi-agent frameworks often struggle with integrating diverse capable third-party agents due to reliance on agents defined within their own ecosystems.…

2025

Multi-Agent Collaboration via Cross-Team Orchestration

ACL 2025finding

Large Language Models (LLMs) have significantly impacted various domains, especially through organized LLM-driven autonomous agents. A representative scenario is in software development, where agents can collaborate in a team like humans, following predefined phases to complete sub-tasks sequentiall…

2025

Multi-Agent Collaboration via Evolving Orchestration

NeurIPS 2025poster

Large language models (LLMs) have achieved remarkable results across diverse downstream tasks, but their monolithic nature restricts scalability and efficiency in complex problem-solving. While recent research explores multi-agent collaboration among LLMs, most approaches rely on static organization…

Cited by 0SourcecodeScholar
2025

Optima: Optimizing Effectiveness and Efficiency for LLM-Based Multi-Agent System

ACL 2025finding

Large Language Model (LLM) based multi-agent systems (MAS) show remarkable potential in collaborative problem-solving, yet they still face critical challenges: low communication efficiency, poor scalability, and a lack of effective parameter-updating optimization methods. We present Optima, a novel…

2025

Scaling Large Language Model-based Multi-Agent Collaboration

ICLR 2025poster

Recent breakthroughs in large language model-driven autonomous agents have revealed that multi-agent collaboration often surpasses each individual through collective reasoning. Inspired by the neural scaling law—increasing neurons enhances performance, this study explores whether the continuous addi…

2025

The Overthinker's DIET: Cutting Token Calories with DIfficulty-AwarE Training

NeurIPS 2025poster

Recent large language models (LLMs) exhibit impressive reasoning but often \textit{overthink}, generating excessively long responses that hinder efficiency. We introduce DIET (DIfficulty-AwarE Training), a framework that systematically cuts these "token calories" by integrating on-the-fly problem di…

Cited by 0SourceScholar
2024

AgentVerse: Facilitating Multi-Agent Collaboration and Exploring Emergent Behaviors

ICLR 2024poster

Autonomous agents empowered by Large Language Models (LLMs) have undergone significant improvements, enabling them to generalize across a broad spectrum of tasks. However, in real-world scenarios, cooperation among individuals is often required to enhance the efficiency and effectiveness of task acc…

2024

Autonomous Agents for Collaborative Task under Information Asymmetry

NeurIPS 2024poster

Large Language Model Multi-Agent Systems (LLM-MAS) have greatly progressed in solving complex tasks. It communicates among agents within the system to collaboratively solve tasks, under the premise of shared information. However, when agents' collaborations are leveraged to perform multi-person task…

2024

Beyond Natural Language: LLMs Leveraging Alternative Formats for Enhanced Reasoning and Communication

EMNLP 2024finding

Natural language (NL) has long been the predominant format for human cognition and communication, and by extension, has been similarly pivotal in the development and application of Large Language Models (LLMs). Yet, besides NL, LLMs have seen various non-NL formats during pre-training, such as code…

2024

Can Large Language Models Analyze Graphs like Professionals? A Benchmark, Datasets and Models

NeurIPS 2024poster

The need to analyze graphs is ubiquitous across various fields, from social networks to biological research and recommendation systems. Therefore, enabling the ability of large language models (LLMs) to process graphs is an important step toward more advanced general intelligence. However, current L…

2024

ChatDev: Communicative Agents for Software Development

ACL 2024long

Software development is a complex task that necessitates cooperation among multiple members with diverse skills. Numerous studies used deep learning to improve specific phases in a waterfall model, such as design, coding, and testing. However, the deep learning model in each phase requires unique de…

2024

ChatEval: Towards Better LLM-based Evaluators through Multi-Agent Debate

ICLR 2024poster

Text evaluation has historically posed significant challenges, often demanding substantial labor and time cost. With the emergence of large language models (LLMs), researchers have explored LLMs' potential as alternatives for human evaluation. While these single-agent-based approaches show promise,…

2024

Experiential Co-Learning of Software-Developing Agents

ACL 2024long

Recent advancements in large language models (LLMs) have brought significant changes to various domains, especially through LLM-driven autonomous agents. A representative scenario is in software development, where LLM agents demonstrate efficient collaboration, task division, and assurance of softwa…

2023

Boosting Inference Efficiency: Unleashing the Power of Parameter-Shared Pre-trained Language Models

EMNLP 2023long findings

Parameter-shared pre-trained language models (PLMs) have emerged as a successful approach in resource-constrained environments, enabling substantial reductions in model storage and memory costs without significant performance compromise. However, it is important to note that parameter sharing does n…

Cited by 0SourceScholar
2023

Stochastic Bridges as Effective Regularizers for Parameter-Efficient Tuning

ACL 2023findings

Parameter-efficient tuning methods (PETs) have achieved promising results in tuning large pre-trained language models (PLMs). By formalizing frozen PLMs and additional tunable parameters as systems and controls respectively, PETs can be theoretically grounded to optimal control and further viewed as…

2022

Cross-Lingual Contrastive Learning for Fine-Grained Entity Typing for Low-Resource Languages

ACL 2022long

Fine-grained entity typing (FGET) aims to classify named entity mentions into fine-grained entity types, which is meaningful for entity-related NLP tasks. For FGET, a key challenge is the low-resource problem — the complex entity type hierarchy makes it difficult to manually label data. Especially f…

2022

Different Tunes Played with Equal Skill: Exploring a Unified Optimization Subspace for Parameter-Efficient Tuning

EMNLP 2022finding

Delta tuning (DET, also known as parameter-efficient tuning) is deemed as the new paradigm for using pre-trained language models (PLMs). Up to now, various DETs with distinct design elements have been proposed, achieving performance on par with fine-tuning. However, the mechanisms behind the above s…

2022

Exploring Mode Connectivity for Pre-trained Language Models

EMNLP 2022main

Recent years have witnessed the prevalent application of pre-trained language models (PLMs) in NLP. From the perspective of parameter space, PLMs provide generic initialization, starting from which high-performance minima could be found. Although plenty of works have studied how to effectively and e…

2022

GACT: Activation Compressed Training for Generic Network Architectures

ICML 2022spotlight

Training large neural network (NN) models requires extensive memory resources, and Activation Compression Training (ACT) is a promising approach to reduce training memory footprint. This paper presents GACT, an ACT framework to support a broad range of machine learning tasks for generic NN architect…