Usama Ejaz

Usama Ejaz

Ph.D Candidate & Research Assistant
NDSlab, Dept. of Software, Sangmyung University
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I am a Ph.D candidate at the Network Data Science Lab (NDSlab), Sangmyung University, advised by Prof. Hyun-chul Kim. My research is in Internet measurement, where I work on uncovering the AS-level topology that remains hidden from current measurement infrastructure. I also work on applied machine learning problems in computer vision, NLP, and explainable AI.

Recent News

Research Interests

Internet Measurement Inter-domain Routing AS-level Topology Inference Routing Security Computer Networks Natural Language Processing Computer Vision Explainable AI

Publications

Conference Papers

  1. Exploring the Internet Routing Registries to Augment AS-level Topology
    Akmal Khan*, Usama Ejaz*, Taekyoung Kwon, and Hyun-chul Kim
    IEEE International Conference on Computer Communications (IEEE INFOCOM), London, United Kingdom, May 2025. (acceptance rate = 272 / 1,458 = 18.6%)
    *Co-first authors: Akmal Khan and Usama Ejaz
  2. FireXplainer: An Interpretable Approach for Detection of Wildfires
    Usama Ejaz, Muneeb Ahmad Khan, Heemin Park, Hyun-chul Kim
    Proceedings of the Korea Computer Congress (KCC), Jeju, Korea, June 2023.
    Best Paper Award
  3. E-NSSA: Efficient Neural Architecture Search using Sorting Algorithms
    Muhammad Ali Hamza, Usama Ejaz, Heemin Park, Hyun-chul Kim
    Proceedings of the Korea Computer Congress (KCC), Jeju, Korea, June 2023.
  4. An Offline Signature Verification leveraging One-shot Learning
    Usama Ejaz, Muneeb Ahmad Khan, Heemin Park, Hyun-chul Kim
    Proceedings of the Korea Computer Congress (KCC), Jeju, Korea, June 2022.

Journal Papers

  1. Channel Attention for Fire and Smoke Detection: Impact of Augmentation, Color Spaces, and Adversarial Attacks
    Usama Ejaz, Muhammad Ali Hamza, and Hyun-chul Kim
    MDPI Sensors, Volume 25, Number 4, pp. 1140, Feb 2025.
    PDF
  2. Cyber5Gym: An Integrated Framework for 5G Cybersecurity Training
    Muhammad Ali Hamza, Usama Ejaz, Hyun-chul Kim
    MDPI Electronics, Volume 13, Number 5, pp. 888, Feb 2024.
    PDF

Education

MS/Ph.D (Combined Program) in Dept. of Software

Sangmyung University, South Korea  |  Sep 2020 – Present

B.S. in Computer Science (CS/IT)

The Islamia University, Bahawalpur, Pakistan  |  Sep 2015 – Aug 2019

Research Projects

Research on Interconnection of 5G Mobile Communication Networks Based on Virtualization and Cyber Threats

Sponsored by National Security Research Institute, Korea. PI. June 2023 – Oct 2023.

Establishing a Cyber Training Environment for 5G Mobile Communication Networks Based on Virtualization

Sponsored by National Security Research Institute, Korea. PI. April 2022 – Oct 2022.

Contact

Email: usamaijaz404 — at — gmail.com
Lab: NDSlab, C-building 404C
Address: Dept. of Software, Sangmyung University, 31 Sangmyung University Road, Dong-nam-gu, Cheonan, South Korea