Publications

Nemo: Efficient Caching with Index Pushdown for Disaggregated OLTP Databases

Wenjie Hu, Xinjing Zhou, Zhihan Guo, Xiangpeng Hao, Xiangyao Yu

SIGMOD 2027 To appear

Cornus: Atomic Commit for Cloud DBMS with Storage Disaggregation

Zhihan Guo, Xinyu Zeng, Kan Wu, Wuh-Chwen Hwang, Ziwei Ren, Xiangyao Yu, Mahesh Balakrishnan, Philip A. Bernstein

VLDB 2022 Paper Extended

How Good is My HTAP System?

Elena Milkai, Yannis Chronis, Kevin Gaffney, Zhihan Guo, Jignesh Patel, Xiangyao Yu

SIGMOD 2022 Paper

Releasing Locks As Early As You Can: Reducing Contention of Hotspots by Violating Two-Phase Locking

Zhihan Guo, Kan Wu, Cong Yan, Xiangyao Yu

SIGMOD 2021 Paper Extended

The Storage Hierarchy is Not a Hierarchy: Optimizing Caching on Modern Storage Devices with Orthus

Kan Wu, Zhihan Guo, Guanzhou Hu, Kaiwei Tu, Ramnatthan Alagappan, Rathijit Sen, Kwanghyun Park, Andrea Arpaci-Dusseau, Remzi Arpaci-Dusseau

FAST 2021 Paper NVMW version

A Statistical Perspective on Discovering Functional Dependencies in Noisy Data

Yunjia Zhang, Zhihan Guo, Theodoros Rekatsinas

SIGMOD 2020 Paper Code

Unsupervised Functional Dependency Discovery for Data Preparation

Zhihan Guo, Theodoros Rekatsinas

ICLR Workshop 2019 Paper Extended Poster

Data Profiling Methods for Interactive Data Cleaning

Zhihan Guo, Theodoros Rekatsinas

MMLS 2018