Short bio

Research Interest

  • Mobile and ubiquitous computing, Internet of Things
    • Mobile and sensor systems and applications
    • Mobile social computing systems and applications
    • IoT applications and systems
    • Mobile context sensing, collaborative/participatory/opportunistic sensing
    • Energy efficiency, processing efficiency, system coordination
    • Mobile context-aware service and interaction design
  • Urban-scale context computing
    • Large-scale monitoring applications and system support
    • High performance event monitoring systems


  • Ph.D. in Computer Science, KAIST, Daejeon, Korea
    • Dissertation title: Context Monitoring Framework for Sensor-rich Mobile Environments
    • Advisor: Prof. Junehwa Song
  • M.S. in Electrical Engineering, KAIST, Daejeon, Korea
    • Advisor: Prof. Junehwa Song
  • B.S. in Electrical Engineering, Yonsei University, Seoul, Korea

Professional Experiences

  • Assistant Professor, KOREATECH, Mar. 2015 – Present
  • Research Professor, KAIST, Apr. 2013 – Feb. 2015
  • Software Engineer/CTO, Limepaper, Inc., Apr. 2011 – Mar. 2013
  • Postdoctoral Researcher, KAIST, Mar. 2010 – Feb. 2011
  • Research Intern, IBM T. J. Watson Research Center, NY, USA, Jun. 2002 – Feb. 2003

Academic Services

  • Organizing Committee
    • Program Co-Chair, MDM 2017 (18th IEEE International Conference on Mobile Data Management)
    • Program Co-Chair, MobiSys 2016 Ph.D. Forum
    • Travel Grant Chair, UbiComp 2015 (the 2015 ACM International Joint Conference on Pervasive and Ubiquitous Computing)
    • Poster & Demo Co-Chair, SenSys 2015 (the 13th ACM Conference on Embedded Networked Sensor Systems)
    • Poster and Demo Co-Chair, ICMU 2015 (the 8th International Conference on Mobile Computing and Ubiquitous Networking)
  • Technical Program Committee
    • SocialSens 2017/2015 (International Workshop on Social Sensing)
    • Industry Track, Mobiquitous 2016 (The 13th Annual International Conference on Mobile and Ubiquitous Systems: Computing, Networking and Services)
    • BIGCOM 2016 (The 2nd International Conference on Big Data Computing and Communication)
    • PICom 2016/2015 (The IEEE International Conference on Pervasive Intelligence and Computing)
    • IoT-App’15 (The 2015 International Workshop on Internet of Things towards Applications)
    • Mobile Sensing Track, DCOSS 2015 (the 11th International Conference on Distributed Computing in Sensor Systems)
  • Journal Editorial Board
    • Associate Editor, ACM IMWUT (Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies), May 2017 – April 2019
  • Paper Reviewer
    • ACM IMWUT (Proceedings of the ACM on Interactive, Mobile, Wearable and Ubiquitous Technologies) 2017
    • IEEE SECON 2017
    • ACM UbiComp 2016/2015/2014
    • ISWC 2016/2015/2014
    • IEEE INFOCOM 2016
    • ACM CHI 2015
    • IEEE Sensors Journal, 2010
    • Journal of KIISE (한국정보과학회논문지), 2017/2016/2015/2014/2011/2010
    • JICCE, 2016
    • J-KICS (한국통신학회논문지, 스마트폰 특집호), 2013

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