Zhichao Cao

[ICDE'26] Fei Shao, Jia Zou, Zhichao Cao, Xusheng Xiao. “PROGQL: A Provenance Graph Query System for Cyber Attack Investigation.” The 42nd IEEE International Conference on Data Engineering (ICDE), To Appear.

[EMNLP’25] Yuhang Chen, Zhen Tan, Ajay Kumar Jaiswal, Huaizhi Qu, Xinyu Zhao, Qi Lin, Yu Cheng, Andrew Kwong, Zhichao Cao, Tianlong Chen. “Bit-Flip Error Resilience in LLMs: A Comprehensive Analysis and Defense Framework.” The 2025 Conference on Empirical Methods in Natural Language Processing (EMNLP), Main Conference, To Appear.

[HPDC'25 (Best Student Paper Award!)]Chang Guo, Ning Yan, Lipeng Wan, Zhichao Cao. "LegoIndex: A Scalable and Modular Indexing Framework for Efficient Analysis of Extreme-Scale Particle Data". The 34th ACM International Symposium on High-Performance Parallel and Distributed Computing (HPDC), Research Track Full Paper, 2025.

[HotStorage’25] Chang Guo, Norbert Podhorszki, Greg Eisenhauer, Zhiwen Xie, Scott Klasky, Zhichao Cao. “Unlocking the Unusable: A Proactive Caching Framework for Reusing Partial Overlapped Data.” The 17th ACM Workshop on Hot Topics in Storage and File Systems (HotStorage), 2025.

[SIGMOD'25] Viraj Thakkar, Dongha Kim, Hokeun Kim, Zhichao Cao. "SHIELD: Encrypting Persistent Data of LSM-KVS from Monolithic to Disaggregated Storage". Proceedings of ACM Conference on Management of Data (SIGMOD), Research Track Full Paper, 2025.

[SOSP'24] Shushu Yi, Shaocong Sun, Li Peng, Yingbo Sun, Ming-Chang Yang, Zhichao Cao, Qiao Li, Myoungsoo Jung, Ke Zhou, Jie Zhang. "BIZA: Design of Self-Governing Block-Interface ZNS AFA for Endurance and Performance" The 30th ACM Symposium on Operating Systems Principles (SOSP 2024).

[TC'24] Yixun Wei, Zhichao Cao, David HC Du. “CPI: A Collaborative Partial Indexing Design for Large-Scale Deduplication Systems.” IEEE Transactions on Computers, November 2024

[HotStorage’24 (Best Paper Award!)] Viraj Thakkar, Madhumitha Sukumar, Jiaxin Dai, Kaushiki Singh, Zhichao Cao. “Can Modern LLMs Tune and Configure LSM-based Key-Value Stores?” 16th ACM Workshop on Hot Topics in Storage and File Systems (HotStorage), 2024.

[HotStorage’24] Chongzhuo Yang, Zhang Cao, Chang Guo, Ming Zhao, Zhichao Cao. “Can ZNS SSDs be Better Storage Devices for Persistent Cache?” 16th ACM Workshop on Hot Topics in Storage and File Systems (HotStorage), 2024.

[MSST'24]  Zhang Cao, Chang Guo, Ziyuan Lv, Anand Ananthabhotla, Zhichao Cao "SAS-Cache: A Semantic-Aware Secondary Cache for LSM-based Key-Value Stores. The 38th International Conference on Massive Storage Systems and Technology (MSST), Research Track Full Paper, 2024.

[MSST'24] Gaoji Liu, Chongzhuo Yang, Qiaolin Yu, Chang Guo, Wen Xia, Zhichao Cao "Prophet: Optimizing LSM-Based Key-Value Store on ZNS SSDs with File Lifetime Prediction and Compaction Compensation". The 38th International Conference on Massive Storage Systems and Technology (MSST), Research Track Full Paper, 2024.

[SIGMOD'24] Qiaolin Yu, Chang Guo, Jay Zhuang, Viraj Thakkar, Jianguo Wang, Zhichao Cao. "CaaS-LSM: Compaction-as-a-Service for LSM-based Key-Value Stores in Storage-Disaggregated Infrastructure". Proceedings of ACM Conference on Management of Data (SIGMOD), Research Track Full Paper, 2024.

[ICCD'23] Zhichao Cao, Hao Wen, Fenggang Wu, David H.C. Du. "SMRTS: A Performance and Cost-Effectiveness Optimized SSD-SMR Tiered File System with Data Deduplication". The 41st IEEE International Conference on Computer Design (ICCD) (Acceptance rate: 28%), Research Track Full Paper, 2023.

[ICCD'23] Hao Wen, Zhichao Cao, Bingzhe Li, David Du, Ayman Abouelwafa, Doug Voigt, Shiyong Liu, Jim Diehl and Fenggang Wu "K8sES: Optimizing Kubernetes with Enhanced Storage Service-Level Objectives". The 41st IEEE International Conference on Computer Design (ICCD),(Acceptance rate: 28%), Research Track Full Paper, 2023.

[TOS’22] Zhichao Cao, Huibing Dong, Yixun Wei, Shiyong Liu, and David H.C. Du. “IS-HBase: An In-Storage Computing Optimized HBase with I/O Offloading and Self-Adaptive Caching in Compute-Storage Disaggregated Infrastructure.” ACM Transaction on Storage, Volume 18, Issue 2, May 2022.

[TOS’22] Hiwot Tadese Kassa, Jason Akers, Mrinmoy Ghosh, Zhichao Cao, Vaibhav Gogte, Ronald Dres-linski. “Power-optimized Deployment of Key-value Stores Using Storage Class Memory.” ACM Transaction on Storage, Volume 18, Issue 2, May 2022.

[TOS’22] Xiongzi Ge Zhichao Cao, and David H.C. Du. “HintStor: A Framework to Study I/O Hints in Heterogeneous Storage.” ACM Transaction on Storage, Volume 18, Issue 2, May 2022.

[ATC’21] Hiwot Tadese Kassa, Jason Akers, Mrinmoy Ghosh, Zhichao Cao, Vaibhav Gogte, Ronald Dreslin- ski. “Improving Performance of Flash Based Key-Value Stores Using Storage Class Memory as a Volatile Memory Extension.” 2021 USENIX Annual Technical Conference, 2021 (Acceptance rate: 64/341=23% as Full Paper).

[FAST’20] Zhichao Cao, Siying Dong, Sagar Vemuri, and David H.C. Du.. “Characterizing, Modeling, and Benchmarking RocksDB Key-Value Workloads at Facebooke.” 18th USENIX Conference on File and Storage Technologies, 2020 (Acceptance rate: 23/138=17% as Full Paper).

[FAST’19] Zhichao Cao, Shiyong Liu, Fenggang Wu, Guohua Wang, Bingzhe Li, and David H.C. Du. “Sliding Look-Back Window Assisted Data Chunk Rewriting for Improving Deduplication Restore Performance.” 17th USENIX Conference on File and Storage Technologies, 2019 (Acceptance rate: 26/145=18% as Full Paper).

[TOS’19] Zhichao Cao, Hao Wen, Xiongzi Ge, and David H.C. Du. “TDDFS: A Tier-aware Data Deduplication based File System.” ACM Transaction on Storage, 2019.

[FAST’18] Zhichao Cao, Hao Wen, Fenggang Wu, and David H.C. Du. “ALACC: Accelerating Restore Performance of Data Deduplication Systems Using Adaptive Look Ahead Window Assisted Chunk Caching.” 16th USENIX Conference on File and Storage Technologies, 2018 (Acceptance rate: 23/139=17% as Full Paper).