Research

Current Research Topics

  • Communication Framework (CM) for collaborative computing systems (ex. distributed computing systems, social networking services, IoT platform)

    • Support for flexible requirements of communication model, message composition, user management, friend management, content transmission management

    • Communication framework for IoT platform

  • Efficient content prefetching/replication/distribution mechanisms

    • Video content prefetching scheme with the order relation of access to content

    • Image content prefetching scheme in SNS based on user's access pattern to content writers, network condition, and client's resource availability

Current Research Projects

  • (Jun. 2021 - current) Development of Adaptive File Synchronization Mechanism Based on Access History and Meta-data in Cloud Stroage Service

    • Funded by: Ministry of Science and ICT

    • Principal Investigator

Past Research Topics

  • Networked (or distributed/collaborative) Virtual Environments (NVEs), Multi-user Games, Computer Supported Cooperative Work (CSCW)

    • Load distribution in multi-server architecture

    • Message filtering for efficient usage of network resources

    • Concurrency control of shared objects

    • Efficient distribution and caching of digital content (networked media)

    • Communication system for multi-user systems

Past Projects

  • (Nov. 2018 - Oct. 2021) Development of a Communication Framework Simultaneously Supporting Synchronous and Asynchronous Publish-Subscribe and Request-Reply Patterns Between Human and Devices in Social Internet-of-Things Environments

    • Funded by: Ministry of Education

    • Principal Investigator

  • (Nov. 2015 - Oct. 2018) A Prefetching Technique for High-resolution Image Content in Social Networking Systems

    • Funded by: Ministry of Education

    • Principal Investigator

  • (Jun. 2010 – Dec. 2015) Developing Cloud Platform and its Services for Social Media Service (ITRC)

    • Funded by: Ministry of Knowledge and Economy

    • Worked on communication architecture for social media applications

  • (Jun. 2010 – May 2011) Development of U-Eco City Business Service Platform

    • Funded by: Ministry of Land, Transport and Maritime Affairs

    • Worked on efficient content replication/distribution methods for multi-server-based ubiquitous computing systems

  • (Apr. 2009 – Mar. 2010) An Adaptable Communication System for Multi-user Ubiquitous Computing Environments

    • Funded by: Konkuk University

    • Principal Investigator