Publications

Conference/Journal Papers

NOCAP: Near-Optimal Correlation-Aware Partitioning Join
Zichen Zhu, Xiao Hu, Manos Athanassoulis. SIGMOD, 2024.

Enabling Timely and Persistent Deletion in LSM-Engines
Subhadeep Sarkar, Tarikul Islam Papon, Zichen Zhu, Dimitris Staratzis, Manos Athanassoulis. TODS, 2023.

Multi-Task Processing in Vertex-Centric Graph Systems: Evaluations and Insights
Siqiang Luo*, Zichen Zhu*, Xiaokui Xiao, Yin Yang, Chunbo Li, Ben Kao (* Equal Contribution). EDBT, 2023

Building Deletion-Compliant Data Systems
Manos Athanassoulis, Subhadeep Sarkar, Tarikul Islam Papon, Zichen Zhu, Dimitris Staratzis. IEEE Data Engineering Bulletin (DEBull), 2022.

Constructing and Analyzing the LSM Compaction Design Space
Subhadeep Sarkar, Dimitris Staratzis, Zichen Zhu, Manos Athanassoulis. VLDB, 2020.

Effective and Efficient Discovery of Top-k Meta Paths in Heterogeneous Information Networks
Zichen Zhu, Tsz Nam Chan, Reynold Cheng, Loc Do, Zhipeng Huang, Haoci Zhang. TKDE, 2022.

Evaluate Top-k Meta Path Queries on Large Heterogeneous Information Networks
Zichen Zhu, Reynold Cheng, Loc Do, Zhipeng Huang, Haoci Zhang. ICDM 2018.

Design Continuums and the Path Toward Self-Designing Key-Value Stores that Know and Learn.
Stratos Idreos, Niv Dayan, Wilson Qin, Mali Akmanalp, Sophie Hilgard, Andrew Ross, James Lennon, Varun Jain, Harshita Gupta, David Li, Zichen Zhu. CIDR 2019.

Workshop/Demo

SHaMBa: Reducing Bloom Filter Overhead in LSM Trees
Zichen Zhu VLDB PhD Workshop, 2023.

Acheron: Persisting Tombstones in LSM Engines
Zichen Zhu, Subhadeep Sakar, Manos Athanassoulis. SIGMOD Demo, 2023.

LSM-Tree Under (Memory) Pressure
Ju Hyoung Mun, Zichen Zhu, Aneesh Raman, Manos Athanassoulis. ADMS, 2022.

Compactionary: A Dictionary for LSM Compactions
Subhadeep Sakar, Kaijie Chen, Zichen Zhu, Manos Athanassoulis. SIGMOD Demo, 2022

Reducing Bloom Filter CPU Overhead in LSM-Trees on Modern Storage Devices
Zichen Zhu, Ju Hyoung Mun, Aneesh Raman, Manos Athanassoulis. DaMoN, 2021