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Shapley-Based Data Valuation for Weighted k-Nearest Neighbors
Guangyi Zhang,
Qiyu Liu*, Aristides Gionis*
NeurIPS 2025
CCF-A
Conference
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Localized Data Shapley: Accelerating Valuation for Nearest Neighbor Algorithms
Guangyi Zhang, Yanhao Wang, Chengliang Chai,
Qiyu Liu, Wei Wang
NeurIPS 2025
CCF-A
Conference
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Not Small Enough? SegPQ: A Learned Approach to Compress Product Quantization Codebooks
Qiyu Liu*, Yanlin Qi, Siyuan Han, Jingshu Peng, Jin Li, Lei Chen
VLDB 2025
CCF-A
Conference
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Why Are Learned Indexes So Effective but Sometimes Ineffective?
Qiyu Liu*, Siyuan Han, Yanlin Qi, Jingshu Peng, Jin Li, Longlong Lin, Lei Chen
VLDB 2025
CCF-A
Conference
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From Sancus to SancusQ: Staleness and Quantization-Aware Full-Graph Decentralized Training in Graph Neural Networks
Jingshu Peng,
Qiyu Liu, Zhao Chen, Yingxia Shao, Yanyan Shen, Lei Chen, Jiannong Cao
The VLDB Journal (VLDBJ) 2025
CCF-A
Journal
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How Good Are Multi-dimensional Learned Indices? An Experimental Survey
Qiyu Liu*, Maocheng Li, Yuxiang Zeng, Yanyan Shen, Lei Chen
The VLDB Journal (VLDBJ) 2025
CCF-A
Journal
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BitTuner: A Toolbox for Automatically Configuring Learned Data Compressors
Qiyu Liu, Yuxin Luo, Mengke Cui, Siyuan Han, Jingshu Peng, Jin Li, Lei Chen
ICDE 2025
CCF-A
System Demo