Search Results for author: Yuejiang Li

Found 4 papers, 1 papers with code

Efficient Directed Graph Sampling via Gershgorin Disc Alignment

no code implementations25 Oct 2022 Yuejiang Li, Hong Vicky Zhao, Gene Cheung

To minimize worst-case reconstruction error of the linear system solution $\mathbf{x}^* = \mathbf{C}^{-1} \mathbf{H}^\top \mathbf{y}$ with symmetric coefficient matrix $\mathbf{C} = \mathbf{H}^\top \mathbf{H} + \mu \mathbf{L}_{rw}^\top \mathbf{L}_{rw}$, the sampling objective is to choose $\mathbf{H}$ to maximize the smallest eigenvalue $\lambda_{\min}(\mathbf{C})$ of $\mathbf{C}$.

Graph Sampling

On the Adaptation to Concept Drift for CTR Prediction

no code implementations1 Apr 2022 Congcong Liu, Yuejiang Li, Fei Teng, Xiwei Zhao, Changping Peng, Zhangang Lin, Jinghe Hu, Jingping Shao

Click-through rate (CTR) prediction is a crucial task in web search, recommender systems, and online advertisement displaying.

Click-Through Rate Prediction Incremental Learning +1

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