RESEARCH OUTPUT

Publications

2026

conference

Lightweight Asynchronous I/O Optimization for SQLite Scan Performance on Embedded Devices

Dohwan Lee, Yewon Shin, Wook-Hee Kim, and Jonghyeok Park

IEEE/ACM EMSOFT 2026 · October 2026

conference

End-to-End Core Affinity Management for Network and Storage I/O Stacks

Chan-Gyu Lee, Wook-Hee Kim, and Hyun-Wook Jin

IEEE CLUSTER 2026 · September 2026

conference

From Learning to Recycling: A Log-Structured Learned-Less Index

Hera Koo, Sungho Moon, Sangeun Chae, Wook-Hee Kim, Jongmoo Choi, and Beomseok Nam

ACM SIGMOD 2026 · May 2026

2025

journal

LION: A Learned Index for On-Device Sensor Data Management

Taeyoon Park, Haena Lee, Christine Euna Jung, Wook-Hee Kim, and Hyun-Wook Jin

IEEE Embedded Systems Letters · Early Access 2025

journal

ON-NSW: Accelerating High-Dimensional Vector Search on Edge Devices

Taeyoon Park, Haena Lee, Yedam Na, and Wook-Hee Kim

Sensors · October 2025

journal

Crash-Consistent HNSW for Vector Databases on Persistent Memory

Haena Lee, Taeyoon Park, Yedam Na, and Wook-Hee Kim

Applied Sciences · September 2025

journal

SB-Tree: A B+-tree for In-Memory Time Series Databases with Segmented Block

Christine Euna Jung*, Jaesang Hwang*, Yedam Na, Haena Lee, and Wook-Hee Kim

IEEE Access · August 2025

*Co-1st author

2024

journal

RDMA-based Sampling Port of ARINC-653

Jong-Bin Lee, Sang-Jae Kim, Wook-Hee Kim, and Hyun-Wook Jin

IEEE Embedded Systems Letters · March 2024

2023

journal

Converting Concurrent Range Index Structure to Range Index Structure for Disaggregated Memory

Bonmoo Koo, Jaesang Hwang, Jonghyeok Park, and Wook-Hee Kim

Applied Sciences · October 2023

conference

RETINA: Cross-layered Key-Value Store for Computational Storage

R. Madhava Krishnan, Naga Sanjana Bikonda, Shashwat Jain, Wook-Hee Kim, Vishwanath Maram, Changwoo Min, and Hamid Hadian

IEEE MASCOTS 2023 · October 2023 · Stony Brook, NY

journal

ESL: A High-Performance Skiplist with Express Lane

Yedam Na, Bonmoo Koo, Taeyoon Park, Jonghyeok Park, and Wook-Hee Kim

Applied Sciences · September 2023

conference

PRISM: Optimizing Key-Value Store for Modern Heterogeneous Storage Devices

Yongju Song, Wook-Hee Kim, Sumit Kumar Monga, Changwoo Min, and Young Ik Eom

ACM ASPLOS 2023 · March 2023 · Vancouver, Canada

conference

TENET: Memory Safe and Fault tolerant Persistent Transactional Memory

R. Madhava Krishnan, Diyu Zhou, Wook-Hee Kim, Sudarsun Kannan, Sanidhya Kashyap, and Changwoo Min

USENIX FAST 2023 · February 2023 · Santa Clara, CA

2022

conference

Fireworks: A Fast, Efficient, and Safe Serverless Framework using VM-level pre-JIT Snapshot

Wonseok Shin, Wook-Hee Kim, and Changwoo Min

ACM EuroSys 2022 · April 2022 · Virtual

journal

Pivotal B+tree for Byte-Addressable Persistent Memory

Jonghyeon Yoo, Hokeun Cha, Wonbae Kim, Wook-Hee Kim, Sungsoon Park, and Beomseok Nam

IEEE Access · April 2022

2021

conference

PACTree: A High Performance Persistent Range Index Using PAC Guidelines

Wook-Hee Kim, R. Madhava Krishnan, Xinwei Fu, Sanidhya Kashyap, and Changwoo Min

ACM SOSP 2021 · July 2021 · Virtual

conference

Witcher: Systematic Crash Consistency Testing for Non-Volatile Memory Key-Value Stores

Xinwei Fu, Wook-Hee Kim, Ajay Paddayuru Shreepathi, Mohannad Ismail, Sunny Wadkar, Dongyoon Lee, and Changwoo Min

ACM SOSP 2021 · July 2021 · Virtual

conference

TIPS: Making Volatile Index Structures Persistent with DRAM-NVMM Tiering

R. Madhava Krishnan, Wook-Hee Kim, Xinwei Fu, Sumit Kumar Monga, Hee Won Lee, Minsung Jang, Ajit Mathew, and Changwoo Min

USENIX ATC 2021 · July 2021 · Virtual

workshop

POSEIDON: Safe, Fast and Scalable Persistent Memory Allocator

Wook-Hee Kim, Anthony Demeri, R. Madhava Krishnan, Jaeho Kim, Mohannad Ismail, and Changwoo Min

NVMW 2021 · March 2021 · Virtual

workshop

Making Volatile Index Structures Persistent using TIPS

R. Madhava Krishnan, Wook-Hee Kim, Hee Won Lee, Minsung Jang, Sumit Kumar Monga, Ajit Mathew, and Changwoo Min

NVMW 2021 · March 2021 · Virtual

2020

conference

POSEIDON: Safe, Fast and Scalable Persistent Memory Allocator

Anthony Demeri, Wook-Hee Kim, R. Madhava Krishnan, Jaeho Kim, Mohannad Ismail, and Changwoo Min

ACM/IFIP Middleware 2020 · December 2020 · Delft, The Netherlands

conference

Doubleheader Logging: Eliminating Journal Write Overhead for Mobile DBMS

Sehyeon Oh, Wook-Hee Kim, Jihye Seo, Hyeonho Song, Sam H. Noh, and Beomseok Nam

IEEE ICDE 2020 · April 2020 · Dallas, TX

2019

workshop

FAST and FAIR B+-Tree for Byte-Addressable Persistent Memory

Wook-Hee Kim, Deukyeon Hwang, Jonghyeon Yoo, Youjip Won, and Beomseok Nam

NVMW 2019 · March 2019 · San Diego, CA

2018

conference

Endurable Transient Inconsistency in Byte-Addressable Persistent B+-Tree

Deukyeon Hwang*, Wook-Hee Kim*, Youjip Won, and Beomseok Nam

USENIX FAST 2018 · February 2018 · Oakland, CA

*Co-1st author

journal

clfB-tree: Cacheline Friendly Persistent B-tree for NVRAM

Wook-Hee Kim, Jihye Seo, Jinwoong Kim, and Beomseok Nam

TOS 2018 · February 2018

2017

conference

Failure-Atomic Slotted Paging for Persistent Memory

Jihye Seo, Wook-Hee Kim, Woongki Baek, Beomseok Nam, and Sam H. Noh

ACM ASPLOS 2017 · April 2017 · Xi'an, China

2016

conference

NVWAL: Exploiting NVRAM in Write-Ahead Logging

Wook-Hee Kim, Jinwoong Kim, Woongki Baek, Beomseok Nam, and Youjip Won

ACM ASPLOS 2016 · April 2016 · Atlanta, GA

poster

clfB-tree: Cache Line Friendly Persistent B-tree

Wook-Hee Kim, Jihye Seo, Youjip Won, and Beomseok Nam

USENIX ATC 2016 · 2016

2015

conference

WALDIO: Eliminating the Filesystem Journaling in Resolving the Journaling of Journal Anomaly

Wongun Lee, Keonwoo Lee, Hankeun Son, Wook-Hee Kim, Beomseok Nam, and Youjip Won

USENIX ATC 2015 · July 2015 · Santa Clara, CA

2014

conference

Resolving Journaling of Journal Anomaly in Android I/O: Multi-Version B-tree with Lazy Split

Wook-Hee Kim, Beomseok Nam, Dongil Park, and Youjip Won

USENIX FAST 2014 · February 2014 · Santa Clara, CA

2011

poster

DEMA: Dynamic Clustering of Spatio-Temporal Dataset to Improve Indexing Performance

Wook-Hee Kim, Supervisor: Beomseok Nam

SIGMOD 2011 Undergraduate Research Poster Competition · 2011