INTERNATIONAL PUBLICATION

International Journals

AS2: Adaptive Sorting Algorithm Selection for Heterogeneous Workloads and Systems
- - Sangmyung Lee, Byungyoon Lee, Yongseok Son, Kiwook Sohn, Hwajung Kim, and Sunggon Kim
  - Future Generation Computer Systems
  - vol. 172, Article No. 107860, Nov. 2025
  - DOI: 10.1016/j.future.2025.107860
Improving Database Performance by Leveraging Network-assisted Logging
- - Hwajung Kim*
  - Future Generation Computer Systems
  - vol. 169, Article No. 107785, Aug. 2025 (*Corresponding Author) (Supported by RS-2023-00240734)
  - DOI: 10.1016/j.future.2025.107785

LWMalloc: A Lightweight Dynamic Memory Allocator for Resource-Constrained Environments
- - Taehyeon Kim and Hwajung Kim*
  - IEEE Internet of Things Journal
  - vol. 12, iss.12, June 15. 2025 (*Corresponding Author) (Supported by IITP-2025-RS-2022-00156295)
  - DOI: 10.1109/JIOT.2025.3541247
  - Research Spotlight article
Learning-based page replacement scheme for efficient I/O processing
- - Hwajung Kim*
  - Scientific Reports
  - vol. 15, No. 4721, Feb. 8. 2025 (*Corresponding Author) (Supported by RS-2023-00240734, IITP-2025-RS-2022-00156295)
  - DOI: 10.1038/s41598-025-88736-4

Efficient I/O Performance-Focused Scheduling in High-Performance Computing
- - Soeun Kim, Sunggon Kim, and Hwajung Kim*
  - Applied Sciences, Special Issue Distributed Computing Systems: Advances, Trends and Emerging Designs
  - vol. 14, iss.21, No. 10043, Nov. 4. 2024 (*Corresponding Author) (Supported by RS-2023-00240734)
  - DOI: 10.3390/app142110043
Improving Performance of Key-Value Stores for High-Performance Storage Devices
- - Sunggon Kim and Hwajung Kim*
  - Applied Sciences
  - vol. 14, iss.17, No. 7538, Aug 26. 2024 (*Corresponding Author) (Supported by RS-2023-00240734)
  - DOI: 10.3390/app14177538
Compiler-assisted Data Placement for Heterogeneous Memory Systems
- - Hwajung Kim*
  - IEICE Electronics Express
  - vol. 21, iss. 19, pp.1-6, Oct 10. 2024 (*Corresponding Author) (Supported by SeoulTech)
  - DOI: 10.1587/elex.21.20240460

Concurrent and Robust End-to-End Data Integrity Verification Scheme for Flash-Based Storage Devices
- - Hwajung Kim, Inhwi Hwang, Jeongeun Lee, Heon Y. Yeom, Hanul Sung
  - IEEE Access
  - vol. 10, pp. 36350-36361, Mar. 2022

Design and Implementation of an I/O Isolation Scheme for Key-Value Store on Multiple Solid-State Drives
- - Hwajung Kim, Heon Young Yeom, Yongseok Son
  - Cluster Computing: The journal of Networks, Software Tools and Applications
  - vol. 23, iss.3, pp. 2301-2313, Sep. 2020

Optimizing of Metadata Management in Large-scale File Systems
- Nae Young Song, Hwajung Kim, Hyuck Han, Heon Young Yeom
- Cluster Computing: The journal of Networks, Software Tools and Applications
- vol. 21, iss.4, pp. 1865-1879, Jun. 2018

- LPR: Learning-based Page Replacement Scheme for Scientific Applications
  - Hwajung Kim, Heon Y. Yeom
  - In Proceedings of the 23rd International Middleware Conference: Industrial Track (Middleware'22)
  - Quebec, QC, Canada, pp. 36-42, Nov. 7-11. 2022

- MulConn: User-Transparent I/O Subsystem for High-Performance Parallel File systems
  - Hwajung Kim, Jiwoo Bang, Dong Kyu Sung, Hyeonsang Eom, Heon Y. Yeom, Hanul Sung
  - In Proceedings of IEEE International Conference on High Performance Computing, Data, and Analytics (HiPC'21)
  - Virtual Conference, pp. 53-62, Dec.17-18. 2021
- Competition-Based Adaptive Caching for Out-of-core Graph Processing
  - Kihyeon Myung, Hwajung Kim, Yunjae Lee, Heon Y. Yeom
  - In Proceedings of IEEE/ACM 21st International Symposium on Cluster, Cloud and Internet Computing (CCGrid'21)
  - Virtual Conference, pp. 31-40, May 10-13. 2021
Efficient and Robust Data Integrity Verification Scheme for High-Performance Storage Devices
- - Hwajung Kim, Inhwi Hwang, Heon Y. Yeom
  - In Proceedings of The 36th ACM/SIGAPP Symposium on Applied Computing (SAC'21)
  - Virtual Conference, pp. 1199-1202, Mar. 22-26. 2021

- An Efficient Database Backup and Recovery Scheme using Write-Ahead Logging
  - Hwajung Kim, Heon Young Yeom, Yongseok Son
  - In Proceedings of IEEE 13th International Conference on Cloud Computing (CLOUD'20)
  - Beijing, China / Virtual Conference, pp. 405-413, Oct. 19-23. 2020

IsoKV: An Isolation Scheme for Key-Value Stores by Exploiting Internal Parallelism in SSD
- Heerak Lim, Hwajung Kim, Kihyeon Myung, Heon Young Yeom, Yongseok Son
- In Proceedings of IEEE International Conference on High Performance Computing, Data, and Analytics (HiPC'19)
- Hyderabad, India, pp. 247-256, Dec. 17-20. 2019
An I/O Isolation Scheme for Key-value Store on Multiple Solid-State Drives
- Hwajung Kim, Heon Young Yeom, Yongseok Son
- In Proceedings of IEEE 4th International Workshops on Foundations and Applications of Self* Systems (FAS* W)
- Umea, Sweden, pp.170-175, Jun. 20, 2019

- Efficient Dentry Lookup with Backward Finding Mechanism
  - Nae Young Song, Hwajung Kim, Hyuck Han, Heon Young Yeom
  - In Proceedings of the International Conference on High Performance Computing in Asia-Pacific Region (HPCAsia)
  - Tokyo, Japan, pp.299-308, Jan. 2018

- Improving Small File I/O Performance for Massive Digital Archives
  - Hwajung Kim, Heon Young Yeom
  - In Proceedings of the IEEE 13th International Conference on e-Science (e-Science)
  - Auckland, New Zealand, pp. 256-265, Oct. 2017

- UDP-DC2: User Data Processing Platform Based on Device-Centric Cloud
  - Inchul Hwang, Sunhee Youm, Soohong Park, Hwajung Kim
  - In Proceedings of the International Conference on Advanced Information Networking and Applications Workshops
  - Victoria, Canada, pp. 139-143, May 2014

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