Publications

2025

2025

2024

2024

  • [USENIX ATC] Joo-Young Hwang, Seokhwan Kim, Daejun Park, Yong-Gil Song, Junyoung Han, Seunghyun Choi, Sangyeun Cho, and Youjip Won, “Zone Abstracton for Mobile Flash Storage”, In Proc. of USENIX Annual Technical Conference (ATC) 2024, July 10-12, 2024
  • [IEEE NVMSA] Seungho Lim, Seung Won Yoo, Joontaek Oh, Wonseb Jeong, Hyunsub Song, Hyeonho Song, Donghun Lee, and Youjip Won, “Key-Space Partitioned LSM Tree for CMM-H”, In Proc. of IEEE Non-Volatile Memory Systems and Applications Symposium (NVMSA) 2024, Aug 21 – 23, 2024

2023

2023

  • [USENIX FAST] Joontaek Oh, Seung Won Yoo, Hojin Nam, Changwoo Min and Youjip Won, “CJFS : Concurrent Journaling for Better Scalability”, In Proc. of USENIX Conference on File and Storage Technologies (FAST) 2023, Feb, 20-23, 2023
  • [IEEE NVMSA] Chaeyoung Hwang, Yongjin Kim, Junhan Lee, Youjip Won, “Addressing the Space Overhead of Vector Quotient Filter”, In Proc.of IEEE Non-Volatile Memory Systems and Applications Symposium (NVMSA) 2023, Aug 30 – Sep 1, 2023
  • [ACM TOS] Muhammad Danish Tehseen, Gyeongcheol Shin, Joo-Young Kim, and Youjip Won, “SeeSSD: Computational Storage for Energy-Efficient Real-Time Object Detection”, ACM Trans. on Storage, In submission
  • [ACM TOS] Kyoungho Koo, Junhan Lee, and Youjip Won, “Maintaining Inter-Layer Equilibrium in Hierarchical-Storage-based KV Store”, ACM Trans. on Storage, In submission

2022

2022

  • [ACM SYSTOR] Seung Won Yoo, Joontaek Oh, and Youjip Won “O-AFA: Order Preserving All Flash Array“, in Proc. of The ACM International Systems and Storage Conference (SYSTOR), Haifa, Israel, June. 13-15, 2022

2021

2021

2020

2020

2019

2019

  • [ICISS] Myeongseon Kim, Joontaek Oh, Youjip won, “Barrier enabled QEMU”, In Proc. of ICISS 2019, Tokyo, Japan, Mar. 2019

2018

2018

  • [USENIX FAST] Youjip Won, Jaemin Jung, Gyeongyeol Choi, Joontaek Oh, Seongbae Son, Jooyoung Hwang, Sangyeun Cho “Barrier Enabled IO Stack for Flash Storage”, in Proc. of  USENIX FAST 2018, Oakland, CA, USA, Feb. 12-15, 2018, Slide link : slide (Awarded Best Paper)
  • [KSC김선두, 원유집, “멀티파일 워크로드의 생성“, 한국정보과학회, 2018 한국소프트웨어종합학술대회 (KSC 2018), 2018년 12월 19일 – 12월 21일, 평창 휘닉스 파크

2017

2017

  • [WDCS] 김선두, 윤주성, 원유집, “스마트폰 워크로드의 생성” 한국정보과학회, 2017 고신뢰컴퓨팅 하계워크샵 (WDCS 2017), 2017년 8월 16 – 8월 18일, 제주대학교  국제교류회관, 제주

2016

2016

  • [ASPLOS] Wookhee Kim, Jinwoong Kim, Woongki Baek,  Beomseok Nam, Youjip Won, “NVWAL: Exploiting NVRAM in Write-Ahead-Logging”, in Proc. of   International Conference on Architectural Support for Programming Languages and Operating Systems(ASPLOS 2016), Atlanta, USA, Apr. 2-6, 2016
  • [IEIE 논문지] 노연진, 유진수, 이성진, 원유집, 박성순 “UFLRU: 비휘발성 메모리와 플래시 메모리의 계층 구조를 위한 영속 객체 스와핑 알고리즘”, 심사 중, 한국전자공학회 논문지

2015

2015

  • [IEEE GCCE] Myungsik Kim, Eunryoung Lim, Seongjin Lee, Youjip Won, “Dumb Design, Dumber Usage of Mobile Database”,  In Proceedings of IEEE Global Conference on Consumer Electronics (GCCE 2015), Osaka, Japan, Oct. 27-30, 2015
  • [IEICE] Hu-ung Lee, Seongjing Lee, Jae-woon Kim and Youjip Won, “Parallelizing SHA-1” (errata), IEICE Electronics Express, 2015 Vol. 12, No.12, pp 0150371-20150371, doi:10.1587/elex.12.20150371, url

2014

2014

  • [CEET] Choelhee Lee, Taeho Hwang, Jaemin Jung, and Youjip Won, “Reducing Loading Time of Smart TV’s Web Application” , In Proceedings of Proc of 2nd International Conference On Advances in Computing, Electronics and Electrical Technology 2014 (CEET 2014), Kuala Lumpur, Malaysia, 19-20, Dec, 2014
  • [ISCIS] Chanhyun Park, Seongjin Lee and Youjip Won, “An Analysis on Empirical Performance of SSD RAID”, In Proceedings of 29th International Symposium on Computer and Information Sciences (ISCIS 2014), (Lecture Notes in Information Sciences and Systems 2014), Krakow, Poland, 27-28, Oct, 2014
  • [IC-NIDC] Jinsoo Yoo and Youjip Won, “Modeling IO Latency of SSDs”, In Proceedings of the 4th IEEE International Conference on Network Infrastructure and Digital Content (IC-NIDC), Friendship Hotel, Beijing, China, 19~21, Sep, 2014
  • [SIMULTECH] Jinsoo Yoo, Youjip Won, Sooyong Kang, Jongmoo Choi, Sungroh Yoon, Jaehyuk Cha, “Analytical Model of SSD Parallelism”, In Proceedings of the 4th International Conference on Simulation and Modeling Methodologies, Technologies and Applications(SIMULTECH), Aug 2014
  • [IEEE FiCloud] Choelhee Lee, Taeho Hwang, Youjip Won, “Improving I/O Performance in Smart TVs”, In Proceedings of the 2nd International Conference on Future Internet of Things and Cloud (FiCloud), Barcelona, Spain, 27-29, Aug, 2014
  • [ICACEEE] Kyuil Kim, Eunryoung Lim, Seongjin Lee, Youjip Won, “Real-time IO trace analysis of smartphone users”, In Proceedings of 2nd International Conference on Advances on Computer , Electrical and Electronic Engineering (ICACEEE 2014), Paris, France, 7-8, July, 2014

2013

2013

  • [USENIX ATC] Sooman Jeong, Kisung Lee, Seongjin Lee, Seoungbum Son, Youjip Won, “I/O Stack Optimization for Smartphones”, USENIX ATC(Annual Technical Conference) 2013, June 26-28, 2013, San Jose, CA, USA, (Awarded Best Paper)
  • [EPEW ME] Sooman Jeong, Kisung Lee, Jungwoo Hwang, Seongjin Lee, Youjip Won, “AndroStep: Android Storage Performance Analysis Tool”, Lecture Notes in Informatics, Vol. 215, Stefan Kowalewski and Bernhard pe(Hrsg.) (1st European Workshop on Mobile Engineering), Feb. 26-Mar 1, 2013, Aachen, Germany
  • [KCSE] 정창훈, 황태호, 김규일, 원유집 “스마트 TV 용 고속 IO 기법“, 제 15회 한국 소프트웨어공학 학술대회 논문집, 2013년 1월 30일 ~ 2월 1일, 강원도 평창 한화리조트

2012

2012

  • [IC-NIDC] Dokeun Lee, Youjip Won, “Booting Linux Faster”, In Proceedings of 2012 3rd IEEE International Conference on Network Infrastructure and Digital Content (IC-NIDC 2012), Sept. 21-23, Bejing, China
  • [IEEE MSST] Jonghwa Kim, Choonghyun Lee, Sangyup Lee, Ikjoon Son, Jongmoo Choi, Sungroh Yoon, Hu-ung Lee, Sooyong Kang, Youjip Won, Jaehyuk Cha, “Deduplication in SSDs: Model and quantitative analysis” , Mass Storage Systems and Technologies (MSST), 2012 IEEE 28th Symposium on, Pacific Grove, California, USA, 16-20 April, 2012

2011

2011

  • 조석희, 원유집, “SSD 전력 소모 모델링“, 한국정보과학회, 제 38회 추계학술발표회, 2011년 11월 25-26일, 서울대학교, 서울
  • 조석희, 원유집, “SSD 전력 소모 분석 도구“, 한국정보과학회, 2011 한국컴퓨터종합학술대회 (KCC 2011), 2011년 6월, 경주

2010

2010

  • Sungwoo Hong, Yohwan Kim, and Youjip Won, “Mining based file caching in hybrid system” , In Proceedings of IEEE International Conference on Intelligent Systems Design and Applications(ISDA 2010), Nov. 29 – Dec. 1, 2010, Cairo, Egypt
  • Joohyun Kim, Haesung Kim, Seongjin Lee, Youjip Won, “FTL Design for TRIM Command” , 15th International Workshop on Software Support for Portable Storage (IWSSPS 2010), Scottsdale, AZ, USA, October 28, 2010
  • Joohyun Kim, Haesung Kim, Seongjin Lee, Youjip Won, “VSSIM : Virtual SSD Simulator” , 9th USENIX Symposium on Operating System Design and Implementation (OSDI ’10), Vancouver, BC, Canada, Work-In-Progress, October 4-6, 2010)
  • 김해성, 김주현, 이성진, 원유집, “가상 SSD 시뮬레이터“, 한국정보과학회, 제37회 추계학술발표회, 2010년 11월

2009

2009

  • 김요환, 홍성우, 원유집, “NAND Flash를 이용한 Hybrid Storage System의 파일 기반 캐싱 기법”, 대한전자공학회, 2009년 학술심포지움, 2009년 12월

2008

2008

  • Youjip Won, Jongmyeong Ban, Jaehong Min, Jungpil Hur, Sangkyu Oh, Jangsun Lee, “Efficient index lookup for De-duplication backup system” , 16th Annual Meeting of the IEEE International Symposium on Modeling, Analysis, and Simulation of Computer and Telecommunication Systems, 2008, MASCOTS’08. IEEE, Baltimore, USA, September 2008

2007

2007

  • Eun-ki Kim, Hyungjong Shin, Byung-gil Jeon, Seokhee Han, Jaemin Jung, Youjip Won, “FRASH: Hierarchical File System for FRAM and Flash” , In Proceedings of The 2007 International Conference on Computational Science and Its Applications (ICCSA 2007), 26-29 Aug 2007, Kuala Lumpur, Malaysia
  • 김영진, 원유집, 김락기, “ROS:저장장치 기반의 신뢰성 검증을 위한 도구 개발“, JCCI2007 통신정보합동 학술대회 논문집I, 2007년 5월 2일, 강원도 휘닉스파크, 337

2006

2006

  • Youjip Won, Dashdorj Yamkhin, “Modeling and Analysis of Wireless LAN” , In Proceedind of The 8-th International Conference on Electronics, Information, and Communication, June 27-28, 2006, Ulaanbaatar, Mongolia pp.214~218

2005

2005

  • Hyo-Jun Kim, Young-Soo Han, Eun-Jung Kang, You-Jip Won, Jong-Il Park, “Compression-Incorporated Hibernation for Low-Power Mobile Embedded System”, UKC 2005 (ICTS-1)

2004

2004

2003

2003

  • Jin Ryong Kim, Youjip Won, Beomeun Kim, “TIE : Networked Virtual Environment for Heterogeneous Environment” , In Proceedings of International Conference on CIC, October 28~31, 2003, Seoul, Korea, `pp. 534~538.

2002

2002

  • Youjip Won, Bowie Shim, “Effect of VBR Traffic Smoothing on Broadband Wireless Internet” , In Proceedings of SPIE ITCOM 2002,July 29 ~ Aug. 1, 2002, Boston, USA , SPIE, Vol.4865, pp.225~233
  • K. Cho, Y.S. Ryu, Youjip Won, Kern Koh, “Considering User’s Access Pattern in Multimedia File Systems”, In Proceedings of SPIE ITCOM 2002, July 29 ~ Aug. 1, Boston, USA, SPIE, Vol.4861, pp.95~106
  • Jungwan Choi, Youjip Won, “Playback of Multimedia Data in Low Power Mobile Drive”, In Proceedings of SPIE ITCOM 2002, SPIE, July. 29 ~ Aug. 1, Boston, USA, Vol.4862, pp.231~239

2001

2001

  • Jinyoun Park and Youjip Won, Jaideep Srivastava, “SMART: Yet Another File System for Multimedia Streaming”, In Proceedings of International Conference on Distributed Multimedia Systems, 2001, Sep. 26 – Sep. 28, Taipei, Taiwan, 한국정보과학회, pp.234

2000...

2000...

  • Youjip Won et al., “Characterization of DSS Workload for iA Based Server Workshop for Computer Architecture Evaluation for Commercial Workload”, in conjunction with HPCA, Orlando, FL, Jan. 1999.
  • Youjip Won and Jaideep Srivastava, “Modeling and Analysis of Hierarchical Storage System for Massive-scale Multimedia Server” , on Proceedings of SPIE East, Symposium for Multimedia Storage and Archival Systems, Boston, MA, Nov. 1998, pp.308~319
  • Youjip Won and Jaideep Srivastava, “Scheduling Movie Delivery in a Distributed Environment”, In Proceedings of International Workshop for Protocols of Multimedia, Salzberg, Austria, Oct. 1995, pp.109~126

Lecture Note Series

< 2006 >

< 2005 >

< 2004 >

< 2003 >

< 2002 >

Books

  • K. Kant and Youjip Won, “Performance Impact of Uncached File Access in SPECweb96 benchmark”, from Workload Characterization For Computer System Design, Ed. Lizy Kurian John and A. Maynard, Kluwer Academic Publishers, March 2000
  • (번역) 원유집 외 5인, “컴퓨터 시스템 구조”, 싸이텍 미디어 출판사 2002년 3월
  • (번역) 원유집 외 7인, “컴퓨터 개론”, 피어슨 코리아출판사, 2002년 3월