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Kechen Jiao

3 accepted papers

2025

IIET: Efficient Numerical Transformer via Implicit Iterative Euler Method

EMNLP 2025

High-order numerical methods enhance Transformer performance in tasks like NLP and CV, but introduce a performance-efficiency trade-off due to increased computational overhead. Our analysis reveals that conventional efficiency techniques, such as distillation, can be detrimental to the performance o

2025

SUMO: Search-Based Uncertainty Estimation for Model-Based Offline Reinforcement Learning

AAAI 2025technical

The performance of offline reinforcement learning (RL) suffers from the limited size and quality of static datasets. Model-based offline RL addresses this issue by generating synthetic samples through a dynamics model to enhance overall performance. To evaluate the reliability of the generated sampl…

2025

TCPO: Thought-Centric Preference Optimization for Effective Embodied Decision-making

EMNLP 2025

Using effective generalization capabilities of vision language models (VLMs) in context-specific dynamic tasks for embodied artificial intelligence remains a significant challenge. Although supervised fine-tuned models can better align with the real physical world, they still exhibit sluggish respon

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