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Lei Pan

5 accepted papers

2025

Alignment for Efficient Tool Calling of Large Language Models

EMNLP 2025

Recent advancements in tool learning have enabled large language models (LLMs) to integrate external tools, enhancing their task performance by expanding their knowledge boundaries. However, relying on tools often introduces trade-offs between performance, speed, and cost, with LLMs sometimes exhibi

Cited by 0SourcePDFScholar
2025

RL-GSBridge: 3D Gaussian Splatting Based Real2Sim2Real Method for Robotic Manipulation Learning

ICRA 2025

Sim-to-Real refers to the process of transferring policies learned in simulation to the real world, which is crucial for achieving practical robotics applications. However, recent Sim2real methods either rely on a large amount of augmented data or large learning models, which is inefficient for spec

Cited by 2SourceScholar
2025

Reducing Tool Hallucination via Reliability Alignment

ICML 2025poster

Large Language Models (LLMs) have expanded their capabilities beyond language generation to interact with external tools, enabling automation and real-world applications. However, tool hallucinations—where models either select inappropriate tools or misuse them—pose significant challenges, leading t…

Cited by 6SourcePDFScholar
2025

Task-Specific Data Selection for Instruction Tuning via Monosemantic Neuronal Activations

NeurIPS 2025poster

Instruction tuning improves the ability of large language models (LLMs) to follow diverse human instructions, but achieving strong performance on specific target tasks remains challenging. A critical bottleneck is selecting the most relevant data to maximize task-specific performance. Existing data…

Cited by 0SourceScholar
2024

Terrain Diffusion Network: Climatic-Aware Terrain Generation with Geological Sketch Guidance

AAAI 2024technical

Sketch-based terrain generation seeks to create realistic landscapes for virtual environments in various applications such as computer games, animation and virtual reality. Recently, deep learning based terrain generation has emerged, notably the ones based on generative adversarial networks (GAN).…