Search Results for author: Liya Guo

Found 2 papers, 0 papers with code

Weak Collocation Regression for Inferring Stochastic Dynamics with Lévy Noise

no code implementations13 Mar 2024 Liya Guo, Liwei Lu, Zhijun Zeng, Pipi Hu, Yi Zhu

In this work, we propose a Weak Collocation Regression (WCR) to explicitly reveal unknown stochastic dynamical systems, i. e., the Stochastic Differential Equation (SDE) with both $\alpha$-stable L\'{e}vy noise and Gaussian noise, from discrete aggregate data.

regression

Which LLM to Play? Convergence-Aware Online Model Selection with Time-Increasing Bandits

no code implementations11 Mar 2024 Yu Xia, Fang Kong, Tong Yu, Liya Guo, Ryan A. Rossi, Sungchul Kim, Shuai Li

In this paper, we propose a time-increasing bandit algorithm TI-UCB, which effectively predicts the increase of model performances due to finetuning and efficiently balances exploration and exploitation in model selection.

Change Detection Model Selection

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