List of Publications (*: corresponding author)
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
[Journal] VLDBJ 2025 (CCF-A) (To appear)
How Good Are Multi-dimensional Learned Indices? An Experimental Survey
Qiyu Liu*, Maocheng Li, Yuxiang Zeng, Yanyan Shen, Lei Chen
[Journal] VLDBJ 2025 (CCF-A) 🔗LINK
BitTuner: A Toolbox for Automatically Configuring Learned Data Compressors
Qiyu Liu, Yuxin Luo, Mengke Cui, Siyuan Han, Jingshu Peng, Jin Li, Lei Chen
[Conf] ICDE 2025 Demonstration Paper (CCF-A) (To appear)
Why Are Learned Indexes So Effective but Sometimes Ineffective?
Qiyu Liu*, Siyuan Han, Yanlin Qi, Jingshu Peng, Jin Li, Longlong Lin, Lei Chen
[Conf] VLDB 2025 Under Revision (CCF-A) 🔗LINK
SanQus: Staleness and Quantization-Aware Full-Graph Decentralized Training in GNNs
Hongbo Yin, Jingshu Peng, Qiyu Liu, Zhao Chen, Yingxia Shao, Yanyan Shen, Lei Chen, Jiannong Cao
[Conf] SC 2024 Research Poster (CCF-A) 🏆 Best Poster Finalist 🔗LINK
GSD-GNN: Generalizable and Scalable Algorithms for Decoupled Graph Neural Networks
Yunfeng Yu, Longlong Lin, Qiyu Liu, Zeli Wang, Xi Ou, Tao Jia
[Conf] ICMR 2024 (CCF-B) 🔗LINK
HAP: An Efficient Hamming Space Index Based on Augmented Pigeonhole Principle
Qiyu Liu, Yanyan Shen, and Lei Chen
[Conf] SIGMOD 2022 (CCF-A) 🔗LINK
LHist: Towards Learning Multi-dimensional Histogram for Massive Spatial Data
Qiyu Liu, Yanyan Shen, and Lei Chen
[Conf] ICDE 2021 (CCF-A) 🔗LINK
Efficiently Discovering Regions of Interest with User-Defined Score Function
Qiyu Liu, Libin Zheng, Xiang Lian, and Lei Chen
[Conf] DASFAA 2021 (CCF-B) 🔗LINK
Finish Them on the Fly: An Incentive Mechanism for Real-Time Spatial Crowdsourcing
Qiyu Liu, Libin Zheng, Yanyan Shen, and Lei Chen
[Conf] DASFAA 2020 (CCF-B) 🏆 Best Paper Runner-up Award 🔗LINK
Stable Learned Bloom Filters for Data Streams
Qiyu Liu, Yanyan Shen, and Lei Chen
[Conf] VLDB 2020 (CCF-A) 🔗LINK
RIDE: A System for Generalized Region of Interest Discovery and Exploration
Qiyu Liu, Libin Zheng, and Lei Chen
[Conf] ICDE 2020 (CCF-A) 🔗LINK
Probabilistic Maximum Range-Sum Queries on Spatial Database
Qiyu Liu, Xiang Lian, and Lei Chen
[Conf] SIGSPATIAL 2019 🏆 Best Paper Candidate Nomination 🔗LINK
Social-Aware Optimal Electric Vehicle Charger Deployment on Road Network
Qiyu Liu, Yuxiang Zeng, Lei Chen, and Xiuwen Zheng
[Conf] SIGSPATIAL 2019 🔗LINK