World's Best Scientists 2026 revealed!
Christopher Leckie

Christopher Leckie

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Computer Science
Australia
2025

D-Index & Metrics

Computer Science

D-Index
60
Citations
15522
World Ranking
3219
National Ranking
89

Christopher Leckie publication distribution in Computer Science in 2026

The chart shows the distribution of publications by all Research.com ranked scientists in the field of Computer Science in 2026. The highlighted bar marks where Christopher Leckie sits on this spectrum.

32–41 publications: 7 scientists 42–51 publications: 22 scientists 52–61 publications: 82 scientists 62–71 publications: 134 scientists 72–81 publications: 249 scientists 82–91 publications: 324 scientists 92–101 publications: 421 scientists 102–111 publications: 420 scientists 112–121 publications: 497 scientists 122–131 publications: 544 scientists 132–141 publications: 555 scientists 142–151 publications: 609 scientists 152–161 publications: 559 scientists 162–171 publications: 534 scientists 172–181 publications: 556 scientists 182–191 publications: 583 scientists 192–201 publications: 519 scientists 202–211 publications: 508 scientists 212–221 publications: 490 scientists 222–231 publications: 437 scientists 232–241 publications: 423 scientists 242–251 publications: 408 scientists 252–261 publications: 377 scientists 262–271 publications: 301 scientists 272–281 publications: 335 scientists 282–291 publications: 320 scientists 292–301 publications: 293 scientists 302–311 publications: 250 scientists 312–321 publications: 238 scientists 322–331 publications: 206 scientists 332–341 publications: 209 scientists 342–351 publications: 208 scientists 352–361 publications: 162 scientists 362–371 publications: 176 scientists 372–381 publications: 127 scientists 382–391 publications: 158 scientists 392–401 publications: 128 scientists 402–411 publications: 104 scientists 412–421 publications: 94 scientists 422–431 publications: 99 scientists 432–441 publications: 83 scientists 442–451 publications: 108 scientists 452–461 publications: 73 scientists 462–471 publications: 77 scientists 472–481 publications: 69 scientists 482–491 publications: 84 scientists 492–501 publications: 62 scientists 502–511 publications: 54 scientists 512–521 publications: 57 scientists 522–531 publications: 51 scientists 532–541 publications: 51 scientists 542–551 publications: 32 scientists 552–561 publications: 38 scientists 562–571 publications: 28 scientists 572–581 publications: 43 scientists 582–591 publications: 33 scientists 592–601 publications: 41 scientists 602–611 publications: 32 scientists 612–621 publications: 28 scientists 622–631 publications: 25 scientists 632–641 publications: 27 scientists 642–651 publications: 17 scientists 652–661 publications: 20 scientists 662–671 publications: 17 scientists 672–681 publications: 15 scientists 682–691 publications: 14 scientists 692–701 publications: 21 scientists 702–711 publications: 13 scientists 712–721 publications: 12 scientists 722–731 publications: 19 scientists 732–741 publications: 14 scientists 742–751 publications: 12 scientists 752–761 publications: 10 scientists 762–771 publications: 10 scientists 772–781 publications: 11 scientists 782–791 publications: 10 scientists 792–801 publications: 11 scientists 802–811 publications: 8 scientists 812–821 publications: 8 scientists 822–831 publications: 7 scientists 832–841 publications: 11 scientists 842–851 publications: 10 scientists 852–861 publications: 5 scientists 862–871 publications: 9 scientists 872–881 publications: 4 scientists 882–891 publications: 6 scientists 892–901 publications: 3 scientists 902–911 publications: 6 scientists 912–921 publications: 3 scientists 922–931 publications: 2 scientists 932–941 publications: 2 scientists 942–951 publications: 2 scientists 952–961 publications: 3 scientists 962–971 publications: 3 scientists 972–981 publications: 3 scientists 982–990 publications: 5 scientists 991+ publications: 100 scientists
32 publications 991+

This scientist: 378 publications — 85th percentile

85% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 991 publications or more.

Christopher Leckie D-index placement in Computer Science in 2026

The chart shows the D-index (discipline H-index) distribution of Computer Science scientists ranked by Research.com in 2026. The highlighted bar marks where Christopher Leckie sits on this spectrum.

30–31 D-Index: 879 scientists 32–33 D-Index: 983 scientists 34–35 D-Index: 918 scientists 36–37 D-Index: 990 scientists 38–39 D-Index: 968 scientists 40–41 D-Index: 907 scientists 42–43 D-Index: 821 scientists 44–45 D-Index: 763 scientists 46–47 D-Index: 689 scientists 48–49 D-Index: 543 scientists 50–51 D-Index: 543 scientists 52–53 D-Index: 518 scientists 54–55 D-Index: 500 scientists 56–57 D-Index: 458 scientists 58–59 D-Index: 400 scientists 60–61 D-Index: 337 scientists 62–63 D-Index: 308 scientists 64–65 D-Index: 292 scientists 66–67 D-Index: 249 scientists 68–69 D-Index: 213 scientists 70–71 D-Index: 192 scientists 72–73 D-Index: 189 scientists 74–75 D-Index: 165 scientists 76–77 D-Index: 139 scientists 78–79 D-Index: 119 scientists 80–81 D-Index: 121 scientists 82–83 D-Index: 113 scientists 84–85 D-Index: 88 scientists 86–87 D-Index: 87 scientists 88–89 D-Index: 75 scientists 90–91 D-Index: 69 scientists 92–93 D-Index: 57 scientists 94–95 D-Index: 46 scientists 96–97 D-Index: 38 scientists 98–99 D-Index: 34 scientists 100–101 D-Index: 36 scientists 102–103 D-Index: 27 scientists 104–105 D-Index: 37 scientists 106–107 D-Index: 18 scientists 108–109 D-Index: 31 scientists 110–111 D-Index: 19 scientists 112–113 D-Index: 16 scientists 114–115 D-Index: 12 scientists 116–117 D-Index: 20 scientists 118–119 D-Index: 15 scientists 120–121 D-Index: 5 scientists 122–123 D-Index: 20 scientists 124–125 D-Index: 8 scientists 126–127 D-Index: 5 scientists 128–129 D-Index: 7 scientists 130 D-Index: 3 scientists 131+ D-Index: 98 scientists
30 D-Index 131+

This scientist: 60 D-Index — 78th percentile

78% of scientists in this discipline score the same or lower.

The last bar groups every scientist with 131 D-Index or more.

Research.com Recognitions

  • 2025 - Research.com Computer Science in Australia Leader Award
  • 2023 - Research.com Computer Science in Australia Leader Award
  • 2022 - Research.com Computer Science in Australia Leader Award

Overview

Christopher Leckie is affiliated with the University of Melbourne in Australia and has contributed extensively to the field of Computer Science, with a particular focus on Artificial Intelligence. Their research portfolio includes notable work in several subfields such as Computer Networks and Communications, Computer Vision and Pattern Recognition, Signal Processing, and Information Systems.

Leckie's scholarly output encompasses a range of topics, including:

  • Anomaly Detection Techniques and Applications
  • Adversarial Robustness in Machine Learning
  • Network Security and Intrusion Detection
  • Misinformation and Its Impacts
  • Complex Network Analysis Techniques
  • Advanced Malware Detection Techniques
  • Spam and Phishing Detection

Their recent publications demonstrate a focus on the applications of machine learning and network analysis to real-world problems, including fake news detection and quantum-enhanced adversarial robustness. Notable recent papers include:

  • "Propagation2Vec: Embedding partial propagation networks for explainable fake news early detection," 2021, Information Processing & Management
  • "Graph Neural Networks with Continual Learning for Fake News Detection from Social Media," 2020, arXiv (Cornell University)
  • "Towards quantum enhanced adversarial robustness in machine learning," 2023, Nature Machine Intelligence
  • "Electrical Model-Free Voltage Calculations Using Neural Networks and Smart Meter Data," 2022, IEEE Transactions on Smart Grid
  • "Benchmarking adversarially robust quantum machine learning at scale," 2023, Physical Review Research

Leckie has collaborated frequently with several co-authors, including Sarah Erfani, Shanika Karunasekera, Tansu Alpcan, Hadi M. Dolatabadi, and Jeffrey Chan. These collaborations indicate active engagement within a network of researchers focused on machine learning, network security, and related areas.

Their research contributions have been published repeatedly in key venues such as:

  • arXiv (Cornell University)
  • Proceedings of the AAAI Conference on Artificial Intelligence
  • IEEE Transactions on Information Forensics and Security
  • Lecture Notes in Computer Science
  • IEEE Access

Christopher Leckie's work involves various interdisciplinary methods and advanced computational techniques to address challenges in cybersecurity, misinformation, and machine learning robustness. Overall, their research profile reflects a focus on combining theoretical and applied aspects of artificial intelligence and network analysis.

Best Publications

  • High-dimensional and large-scale anomaly detection using a linear one-class SVM with deep learning

    Sarah M. Erfani;Sutharshan Rajasegarar;Shanika Karunasekera;Christopher Leckie

  • Survey of network-based defense mechanisms countering the DoS and DDoS problems

    Tao Peng;Christopher Leckie;Kotagiri Ramamohanarao

  • Fuzzy c-Means Algorithms for Very Large Data

    T. C. Havens;J. C. Bezdek;C. Leckie;L. O. Hall

  • A survey of coordinated attacks and collaborative intrusion detection

    Chenfeng Vincent Zhou;Christopher Leckie;Shanika Karunasekera

  • Unsupervised anomaly detection in network intrusion detection using clusters

    K Leung;C Leckie

  • Protection from distributed denial of service attacks using history-based IP filtering

    Tao Peng;C. Leckie;K. Ramamohanarao

  • Anomaly detection in wireless sensor networks

    S. Rajasegarar;C. Leckie;M. Palaniswami

  • Distributed Anomaly Detection in Wireless Sensor Networks

    S. Rajasegarar;C. Leckie;M. Palaniswami;J.C. Bezdek

  • Intrusion Detection for Routing Attacks in Sensor Networks

    Chong Eik Loo;Mun Yong Ng;Christopher Leckie;Marimuthu Palaniswami

  • Parking availability prediction for sensor-enabled car parks in smart cities

    Yanxu Zheng;Sutharshan Rajasegarar;Christopher Leckie

  • Proactively detecting distributed denial of service attacks using source IP address monitoring

    Tao Peng;Christopher Leckie;Kotagiri Ramamohanarao

  • Quarter Sphere Based Distributed Anomaly Detection in Wireless Sensor Networks

    S. Rajasegarar;C. Leckie;M. Palaniswami;J.C. Bezdek

  • Using Virtual Machine Allocation Policies to Defend against Co-Resident Attacks in Cloud Computing

    Yi Han;Jeffrey Chan;Tansu Alpcan;Christopher Leckie

  • Characterising the Evolution in Scanning Activity of Suspicious Hosts

    Alif Wahid;Christopher Leckie;Chenfeng Zhou

  • Personalized trip recommendation for tourists based on user interests, points of interest visit durations and visit recency

    Kwan Hui Lim;Kwan Hui Lim;Jeffrey Chan;Jeffrey Chan;Christopher Leckie;Shanika Karunasekera

  • Centered Hyperspherical and Hyperellipsoidal One-Class Support Vector Machines for Anomaly Detection in Sensor Networks

    S Rajasegarar;C Leckie;J C Bezdek;M Palaniswami

  • Fast Memory Efficient Local Outlier Detection in Data Streams

    Mahsa Salehi;Christopher Leckie;James C. Bezdek;Tharshan Vaithianathan

  • Adjusted Probabilistic Packet Marking for IP Traceback

    Tao Peng;Christopher Leckie;Kotagiri Ramamohanarao

  • Personalized tour recommendation based on user interests and points of interest visit durations

    Kwan Hui Lim;Jeffrey Chan;Christopher Leckie;Shanika Karunasekera

  • Labelled data collection for anomaly detection in wireless sensor networks

    Shan Suthaharan;Mohammed Alzahrani;Sutharshan Rajasegarar;Christopher Leckie

Frequent Co-Authors

Sutharshan Rajasegarar
Sutharshan Rajasegarar Deakin University
Kotagiri Ramamohanarao
Kotagiri Ramamohanarao University of Melbourne
James Bailey
James Bailey University of Melbourne
James C. Bezdek
James C. Bezdek University of Melbourne
Marimuthu Palaniswami
Marimuthu Palaniswami University of Melbourne
Shanika Karunasekera
Shanika Karunasekera University of Melbourne
Tansu Alpcan
Tansu Alpcan University of Melbourne
Rodney S. Tucker
Rodney S. Tucker University of Melbourne
Wei Liu
Wei Liu University of Technology Sydney
Ampalavanapillai Nirmalathas
Ampalavanapillai Nirmalathas University of Melbourne

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