Department Introduction

Undergraduate Guide

Faculty

Research

Global IT

Community

Faculty

Welcome to the Department of Software at Ajou University.

  • Kyungran Kang

    korykang@ajou.ac.kr
    • Major Internet Multicast, Embedded Network Software
    • Laboratory Paldal Hall 602
    • Phone Number 031-219-1835
    • Homepage http://madang.ajou.ac.kr/~korykang
    • Academic Background and Research Activities
      • 한국과학기술원 박사(1999)
      • 한국전자통신연구원 선임연구원 (1999-2000)
      • ㈜디지탈웨이브 책임연구원 (2000-2002)
      • A Blind Calibration Scheme Exploiting Mutual Calibration Relationships for a Dense Mobile Sensor Network, IEEE Sensors Journal (2014)
      • A Scalable Joint Routing and Scheduling Scheme for Large-scale Wireless Sensor Networks (2013)
      • A simple transmission mode switching scheme for IPTV multicast sessions on a hybrid wireless optical access network (2012)
      • A Mobile Community Service Platform Promoting Ubiquitous Collaboration (2011)

  • Gicheon Kang

    kgc519@ajou.ac.kr
    • Major Physical AI; Robot Learning; Human-Robot Interaction
    • Laboratory Paldal Hall 703
    • Phone Number --
    • Homepage https://heilaboratory.github.io/
    • Academic Background and Research Activities
      • "Ph.D., Seoul National University (2025)
      • Postdoctoral Researcher, AI Institute, Seoul National University (2025–2026)"
      • "CLIP-RT: Learning Language-Conditioned Robotic Policies from Natural Language Supervision, RSS (2025)
      • PROGrasp: Pragmatic Human-Robot Communication for Object Grasping, ICRA (2024)
      • The Dialog Must Go On: Improving Visual Dialog via Generative Self-Training, CVPR (2023)"

  • Ko, Young-Bae

    youngko@ajou.ac.kr
    • Major AIoT, Wireless/Mobile Computing
    • Laboratory Paldal Hall 605
    • Phone Number 031-219-2432
    • Homepage sites.google.com/view/iconslab/home
    • Academic Background and Research Activities
      • Texas A&M University 박사 (2000)
      • IBM T.J. Watson Research Center Research Staff (2000-2002)
      • 차세대 전술이동통신체계 무선 MSAP 메쉬망을 위한 혼합형 인증기법(2012)
      • Improving the Reliability of IEEE 802.11s Based Wireless Mesh Networks for Smart Grid Systems (2012)
      • Rank-aware Tree-based Geographical Routing for Tactical Mobile Ad-hoc Networks (2012)
      • iCONS Lab : D.N.A (Data-Network-AI) 개념을 중심으로 \\\"지능화된 초연결 융합 시스템(Intelligence of Hyper-Connected & Converged Systems)\\\" 관련 연구 수행을 목표

  • Jaeheon Kwak

    jhkwak@ajou.ac.kr
    • Major Mobile Systems; Battery Management Systems; Cyber-Physical Systems
    • Laboratory Paldal Hall 606
    • Phone Number 031-219-2437
    • Homepage https://sled-lab.github.io/jaeheonkwak
    • Academic Background and Research Activities
      • "Ph.D. in Computer Science, KAIST (2024)
      • Postdoctoral Researcher, KAIST (2024–2025)"
      • "EarDVFS: Environment-Adaptable RL-based DVFS for Mobile, ICCAD (2025)
      • Scheduling EV Battery Swap/Charge Operations, RTAS (2025)
      • MixMax: Leveraging Heterogeneous Batteries to Alleviate Low Battery Experience for Mobile Users, MobiSys (2023)"

  • Sanghoon Kim

    sanghoonkim@ajou.ac.kr
    • Major Operating systems, memory systems, storage systems
    • Laboratory Paldal Hall 1004-2
    • Phone Number 031-219-3423
    • Homepage https://sslab.ajou.ac.kr
    • Academic Background and Research Activities
      • KAIST 박사 (2016)
      • 성균관대학교 박사후연구원 (2016)
      • Virginia Tech 박사후연구원 (2016-2018)
      • "NVMeVirt: A Versatile Software-defined Virtual NVMe Device, USENIX FAST (2023)
      • Dotori: A Key-Value SSD Based KV Store, VLDB (2023)
      • DEHype: Retrofitting Hypervisors for a Resource-Disaggregated Environment, CLUSTER (2023)"
      • Application-aware Swapping for Mobile Systems, EMSOFT, 2017
      • OS Support for Thread Migration and Distribution in the Fully Heterogeneous Datacenter, HotOS XVI, 2017
      • Controlling Physical Memory Fragmentation in Mobile Systems, ISMM, 2015

  • Younghoon Kim

    yhoon@ajou.ac.kr
    • Major Networked Systems; Operating Systems; Clouds/Clusters; Distributed Machine Learning Systems
    • Laboratory Paldal Hall 1004-1
    • Phone Number 031-219-3823
    • Homepage
    • Academic Background and Research Activities
      • "Ph.D. in Computer Science, KAIST (2015.08)
      • Postdoctoral Researcher / Research Professor, Sungkyunkwan University (2015.09–2019.08)
      • Assistant Professor, Sungkyunkwan University (2019.09–2023.08)
      • Associate Professor, Sungkyunkwan University (2023.09–2025.02)"
      • "PeRF: Preemption-enabled RDMA Framework, USENIX ATC (2024)
      • Rescuing QUIC Flows from Countermeasures against UDP Flooding Attacks, ACM/SIGAPP SAC, Best Paper (2024)
      • i-NVMe: Isolated NVMe over TCP for a Containerized Environment, IEEE INFOCOM (2022)
      • GPU-Ether: GPU-native Packet I/O for GPU Applications on Commodity Ethernet, IEEE INFOCOM (2021)"

  • Roh, Byeong-hee

    bhroh@ajou.ac.kr
    • Major Multimedia Communications; Network Security
    • Laboratory Paldal Hall 608
    • Phone Number 031-219-1601
    • Homepage http://mmcn.ajou.ac.kr
    • Academic Background and Research Activities
      • 한국과학기술원 박사(1998)
      • 인지 전술 무선망에서 QoS 보장을 위한 정책기반 동적 채널 선택(2012)
      • Detection and Countermeasure Scheme for CallDisruption Attacks on SIP-Based VoIP Services(2012)
      • Efficient Capacity Allocation for Real-Time Traffic in MF-TDMA based GEO Satellite Systems(2012)

  • Ki-Yeol Ryu

    kryu@ajou.ac.kr
    • Major Programming Language. HCI. Secure Software
    • Laboratory Paldal Hall 705
    • Phone Number 031-219-2636
    • Homepage
    • Academic Background and Research Activities
      • 한국과학기술원 박사(1992)
      • 유비쿼터스 환경에서 자발적 상호연동을 지원하는 역할 기반 응용 모델(2012)
      • Perceived Affordance based Tangible Interfaces for Augmented Virtuality Simulation of Aerospace(2012)
      • Role-Based Application Model for Supporting Spontaneous Interaction(2010)

  • Seonghyeon Park

    seonghyp@ajou.ac.kr
    • Major Robotics; Computer Vision
    • Laboratory Paldal Hall 808
    • Phone Number --
    • Homepage https://www.shpark.org/
    • Academic Background and Research Activities
      • "Ph.D., KAIST (2026)
      • KAIST–NYU Global AI Frontier Lab (2024–2026)"
      • "TrackIME: Enhanced Video Point Tracking via Instance Motion Estimation, NeurIPS Spotlight (2024)
      • IFSeg: Image-free Semantic Segmentation via Vision-Language Model, CVPR (2023)
      • Sequence-to-Sequence Prediction of Vehicle Trajectory via LSTM Encoder-Decoder Architecture, IEEE Intelligent Vehicles Symposium, Oral Presentation (2018)"

  • Kwang-Jun Byeon

    byeon@ajou.ac.kr
    • Major
    • Laboratory Paldal Hall 609
    • Phone Number 031-219-2445
    • Homepage
    • Academic Background and Research Activities
      • Ph.D., University of Southern California (1993.12)

  • Kyung-Ah Sohn

    kasohn@ajou.ac.kr
    • Major Machine Learning; Data Mining; Biomedical Informatics
    • Laboratory Industry-Academic Cooperation Building 507
    • Phone Number 031-219-2434
    • Homepage https://sites.google.com/site/kasohn/
    • Academic Background and Research Activities
      • "Ph.D., Carnegie Mellon University (2011)
      • Research Assistant Professor, Seoul National University College of Medicine (2012)
      • Researcher, Samsung Advanced Institute of Technology (2003–2005)"
      • "Rethinking Data Augmentation for Image Super-resolution: A Comprehensive Analysis and a New Strategy, CVPR (2020)
      • Predicting Alzheimer’s Disease Progression Using Multi-modal Deep Learning Approach, Scientific Reports (2019)
      • Fast, Accurate, and Lightweight Super-Resolution with Cascading Residual Network, ECCV (2018)"

  • Sang-Yoon Oh

    syoh@ajou.ac.kr
    • Major Data-Intensive Computing; Distributed/Parallel Computing; Cloud Computing
    • Laboratory Paldal Hall 701
    • Phone Number 031-219-2633
    • Homepage http://wise.ajou.ac.kr/
    • Academic Background and Research Activities
      • "Ph.D., Indiana University Bloomington (2006)
      • Researcher, Strategic Technology Division, SK Telecom (2006–2007)"
      • "Energy-efficient Multisite Offloading Policy Using Markov Decision Process for Mobile Cloud Computing, Pervasive and Mobile Computing (2016)
      • Evaluating ARM HPC Clusters for Scientific Workloads, Concurrency and Computation: Practice and Experience (2015)"

  • Ri Yu

    riyu@ajou.ac.kr
    • Major Computer Graphics; Character Animation and Control; Human Motion Analysis; Human Body Modeling
    • Laboratory Paldal Hall 607
    • Phone Number 031-219-2436
    • Homepage https://yul85.github.io/
    • Academic Background and Research Activities
      • "Ph.D., Seoul National University (2021)
      • Research Professor, Biomedical Research Institute, Seoul National University Hospital (2021–2022)"
      • "Human Dynamics from Monocular Video with Dynamic Camera Movements, ACM Transactions on Graphics (2021)
      • Quantitative Gait Analysis Using a Pose-estimation Algorithm with a Single 2D Video of Parkinson’s Disease Patients, Journal of Parkinson’s Disease (2021)
      • Figure Skating Simulation from Video, Computer Graphics Forum (2019)"

  • Jongbin Ryu

    jongbinryu@ajou.ac.kr
    • Major Deep Learning; Computer Vision; Machine Learning
    • Laboratory Paldal Hall 604
    • Phone Number 031-219-3815
    • Homepage https://sites.google.com/view/jongbinryu
    • Academic Background and Research Activities
      • "Ph.D. in Computer Science, KAIST (2017)
      • Research Fellow, Hanyang University (2017–2020)"
      • "Generalized Convolutional Forest Networks for Domain Generalization and Visual Recognition, ICLR (2020)
      • DFT-based Transformation Invariant Pooling Layer for Visual Classification, ECCV (2018)
      • Locality-preserving Descriptor for Robust Texture Feature Representation, Neurocomputing (2016)"

  • Sang-Hoon Lee

    sanghoonlee@ajou.ac.kr
    • Major Artificial Intelligence; Speech Synthesis
    • Laboratory Paldal Hall 1004
    • Phone Number 031-219-3811
    • Homepage https://sites.google.com/view/speechailab
    • Academic Background and Research Activities
      • "Postdoctoral Researcher, Korea University (2024)
      • Ph.D., Korea University (2023)"
      • "DDDM-VC: Decoupled Denoising Diffusion Models with Disentangled Representation and Prior Mixup for Verified Robust Voice Conversion, AAAI (2024)
      • HierSpeech: Bridging the Gap between Text and Speech by Hierarchical Variational Inference using Self-supervised Representations for Speech Synthesis, NeurIPS (2022)
      • VoiceMixer: Adversarial Voice Style Mixup, NeurIPS (2021)
      • Multi-SpectroGAN: High-Diversity and High-Fidelity Spectrogram Generation with Adversarial Style Combination for Speech Synthesis, AAAI (2021)"

  • Seok-Won Lee

    leesw@ajou.ac.kr
    • Major Software Engineering; Artificial Intelligence; Software Assurance
    • Laboratory Paldal Hall 603
    • Phone Number 031-219-3548
    • Homepage http://www.machinediscovery.com
    • Academic Background and Research Activities
      • "Ph.D., George Mason University (2003)
      • Faculty, University of North Carolina and University of Texas (2003–2011)
      • Senior Research Scientist, Science Applications International Corporation (SAIC) (2000–2003)
      • Research Staff, IBM T.J. Watson Research Center (2000)"
      • "Discovering Multi-dimensional Correlations among Regulatory Requirements to Understand Risk, ACM TOSEM (2011)
      • UML Design Pattern Metamodel-level Constraints for the Maintenance of Software Evolution, Software: Practice and Experience (2011)
      • Software Engineering for Secure Systems, Computers & Security (2010)"

  • Sael Lee

    sael@ajou.ac.kr
    • Major Data Mining; Machine Learning; Bioinformatics
    • Laboratory Industry-Academic Cooperation Building 620
    • Phone Number 031-219-3839
    • Homepage
    • Academic Background and Research Activities
      • "Ph.D., Purdue University (2010)
      • Assistant Professor, Department of Computer Science, SUNY Korea (Stony Brook University) (2012.09–2018.02)
      • Future IT Researcher, Samsung Advanced Institute of Technology (2011.09–2012.08)
      • Postdoctoral Researcher, Purdue University (2010.09–2011.08)"
      • "Yoo, J. & Sael, L. (2019). EDiT: Interpreting Ensemble Models via Compact Soft Decision Trees. IEEE ICDM
      • Choi, D. & Sael, L. (2019). SNeCT: Scalable Network Constrained Tucker Decomposition for Integrative Multi-platform Data Analysis. IEEE/ACM TCBB
      • Lee, J., Oh, S. & Sael, L. (2018). GIFT: Guided and Interpretable Factorization for Tensors with an Application to Large-Scale Multi-platform Cancer Analysis. Bioinformatics, 34(24), 4151–4158."

  • Hwan-Yong Lee

    hwan@ajou.ac.kr
    • Major Computer Graphics; Image Processing; Mixed Reality; Embedded Systems; Standardization
    • Laboratory Paldal Hall 704
    • Phone Number 031-219-3858
    • Homepage
    • Academic Background and Research Activities
      • "Ph.D., Kyungpook National University (2011.02)
      • Industry-Academic Cooperation Professor, Kyungpook National University (2013–2015)
      • CTO, HUONE Inc. (2004–2013)
      • CEO, ACTSystem Inc. (1999–2004)
      • Researcher, POSTECH (1995–1999)"

  • Tae-Sun Chung

    tschung@ajou.ac.kr
    • Major Database Systems; Flash Memory Storage; Big Data; Spatial Databases; Telematics
    • Laboratory Paldal Hall 903-1
    • Phone Number 031-219-1828
    • Homepage http://dbdc.ajou.ac.kr
    • Academic Background and Research Activities
      • "Ph.D., Seoul National University (2002)
      • Principal Researcher, Samsung Electronics (2002–2004)
      • Assistant Professor, Myongji University (2004–2005)"
      • "A Survey of Flash Translation Layer, JSA (2009)
      • Hybrid Associative Flash Translation Layer for the Performance Optimization of Chip-level Parallel Flash Memory, ACM TOS (2013)
      • An Efficient Algorithm for Computing Safe Exit Points of Moving Range Queries in Directed Road Networks, Information Systems (2014)"

  • Dajung Cho

    dajungcho@ajou.ac.kr
    • Major Theory of Computation; Formal Languages and Automata Theory; Synthetic Biology
    • Laboratory Industry-Academic Cooperation Building 509
    • Phone Number 031-219-2635
    • Homepage
    • Academic Background and Research Activities
      • "Ph.D., Yonsei University (2018)
      • Postdoctoral Researcher, Paris-Saclay University (2018–2019)
      • Postdoctoral Researcher, University of Kassel (2019–2021)"
      • "Distributed Computation with Continual Population Growth, International Symposium on Distributed Computing (2020)
      • Site-directed Insertion: Language Equations and Decision Problems, Theoretical Computer Science (2019)"

  • Hyunsouk Cho

    hyunsouk@ajou.ac.kr
    • Major Multimodal Understanding; Recommendation Systems; Natural Language Processing
    • Laboratory Paldal Hall 714
    • Phone Number 031-219-2524
    • Homepage
    • Academic Background and Research Activities
      • "Ph.D. in Computer Science and Engineering, POSTECH (2018)
      • Team Leader / Technical Director, Knowledge AI Lab, NCSOFT NLP Center (2018–2021)"
      • "Self-Supervised Multimodal Opinion Summarization, ACL (2021)
      • CITIES: Contextual Inference of Tail-Item Embeddings for Sequential Recommendation, ICDM (2020)
      • MeLU: Meta-Learned User Preference Estimator for Cold-Start Recommendation, KDD (2019)"

  • Young-Jun Choi

    choiyj@ajou.ac.kr
    • Major AI Applications; Anomaly Detection; 6G Networks
    • Laboratory Paldal Hall 702
    • Phone Number 031-219-2634
    • Homepage
    • Academic Background and Research Activities
      • Ph.D., Seoul National University (2006)
      • "Development of an Advanced Location-based Route Search Service for Smartphones (2011)
      • Interference Coordination Scheme between WiFi and Zigbee Networks (2012)
      • Analysis of Best Channel Feedback and Its Adaptive Algorithms for Multi-Carrier Wireless"

  • Jaeyoung Choi

    mobilechoi@ajou.ac.kr
    • Major Data Science & Engineering; Graph Databases; Intelligent Systems; Business Intelligence
    • Laboratory Industry-Academic Cooperation Building 537
    • Phone Number 031-219-3871
    • Homepage
    • Academic Background and Research Activities
      • "Ph.D., State University of New York at Buffalo (2004)
      • M.S. in Computer Science and Engineering, State University of New York at Buffalo (2001)
      • M.S. in Management Science, KAIST (1993)
      • B.S. in Management Science, KAIST (1990)"
      • "Stochastic Scheduling Problems for Maximizing the Expected Number of Early Jobs with Common or Exchangeable Due Dates (2012)
      • Stochastic Scheduling Problems for Maximizing the Number of Early Enough Jobs (2012)
      • A Review on Scheduling Problems for Minimizing the Number of Late Jobs (2011)
      • A Genetic Algorithm for Job Sequencing Problems with Distinct Due Dates and General Early-Tardy Penalty Weights (1995)"

  • Hamandawana Prince

    phamandawana@ajou.ac.kr
    • Major Operating Systems and File Systems; Software Platforms for Big Data and Machine Learning
    • Laboratory Industry-Academic Cooperation Building 822
    • Phone Number 031-219-3189
    • Homepage http://princehama.ydns.eu/
    • Academic Background and Research Activities
      • "Ph.D., Ajou University (2021)
      • B.Sc., National University of Science and Technology (2010)
      • Assistant Professor, Department of Software, Ajou University, South Korea (2023.03–Present)
      • Assistant Professor, Department of Computer Science and Engineering, Soongsil University, South Korea (2021.04–2023.02)
      • Postdoctoral Researcher, Data-Intensive Computing and Systems Lab, Sogang University (2021.01–2021.03)"
      • "TPBF: Two-Phase Bloom-Filter-Based End-to-End Data Integrity Verification Framework for Object-Based Big Data Transfer Systems, MDPI Mathematics (2022)
      • Accelerating ML/DL Applications with Hierarchical Caching on Deduplication Storage Systems, IEEE Transactions on Big Data (2021)
      • Crocus: Enabling Computing Resource Orchestration for Inline Cluster-wide Deduplication on Scalable Storage Systems, IEEE TPDS (2020)"

  • Gaoyang Shan

    shanyang166@ajou.ac.kr
    • Major Computer Engineering
    • Laboratory Paldal Hall 1012
    • Phone Number 031-219-3187
    • Homepage
    • Academic Background and Research Activities
      • "Ph.D., Ajou University (2020.02)
      • Research Assistant Professor, Ajou University (2020.03–2023.02)"
      • "A Slotted Random Request Scheme for Connectionless Data Transmission in Bluetooth Low Energy 5.0, Journal of Network and Computer Applications (2022)
      • Maximized Effective Transmission Rate Model for Advanced Neighbor Discovery Process in Bluetooth Low Energy 5.0, IEEE Internet of Things Journal (2022)
      • Performance Model for Advanced Neighbor Discovery Process in Bluetooth Low Energy 5.0-enabled Internet of Things Networks, IEEE Transactions on Industrial Electronics (2020)
      • Advertisement Interval to Minimize Discovery Time of Whole BLE Advertisers, IEEE Access (2018)"

  • Yiwen Shen

    chrisshen@ajou.ac.kr
    • Major
    • Laboratory Paldal Hall 1011
    • Phone Number --
    • Homepage https://chrisshen.github.io/
    • Academic Background and Research Activities
      • Ph.D. in Computer Engineering, Sungkyunkwan University, South Korea (2021)
      • "ECMAC: Edge-Assisted Cluster-Based MAC Protocol in Software-Defined Vehicular Networks, IEEE Transactions on Vehicular Technology (2024)
      • IoT Edge-Cloud: An Internet-of-Things Edge-Empowered Cloud System for Device Management in Smart Spaces, IEEE Network (2024)
      • Context-Aware Navigation Protocol for Safe Driving in Vehicular Cyber-Physical Systems, IEEE Transactions on Intelligent Transportation Systems (2023)
      • A Comprehensive Survey on Vehicular Networks for Smart Roads: A Focus on IP-based Approaches, Vehicular Communications (2021)
      • Particle Filtering-Based Indoor Positioning System for Beacon Tag Tracking, IEEE Access (2020)
      • SAINT+: Self-Adaptive Interactive Navigation Tool+ for Emergency Service Delivery Optimization, IEEE Transactions on Intelligent Transportation Systems (2018)"