World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
34
Citations
8538
World Ranking
11927
National Ranking
4872

Heiko Ludwig 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 Heiko Ludwig 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: 145 publications — 25th percentile

25% of scientists in this discipline score the same or lower.

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

Heiko Ludwig 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 Heiko Ludwig 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: 34 D-Index — 16th percentile

16% 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

  • 2016 - ACM Distinguished Member
  • 2009 - ACM Senior Member

Overview

Heiko Ludwig is a researcher affiliated with IBM in the United States, primarily working in the field of Computer Science with a focus on Artificial Intelligence. Their research addresses various interconnected domains including privacy-preserving technologies, stochastic gradient optimization techniques, and cryptography and data security.

The main themes in Ludwig's work involve:

  • Privacy-Preserving Technologies in Data
  • Stochastic Gradient Optimization Techniques
  • Cryptography and Data Security
  • Blockchain Technology Applications and Security
  • IoT and Edge/Fog Computing
  • Privacy, Security, and Data Protection
  • Mobile Crowdsensing and Crowdsourcing

Ludwig has frequently published in the following venues:

  • arXiv (Cornell University)
  • Journal of Parallel and Distributed Computing
  • 2022 22nd IEEE International Symposium on Cluster, Cloud and Internet Computing (CCGrid)
  • Machines

Significant recent publications include:

  • "IBM Federated Learning: an Enterprise Framework White Paper V0.1" (2020), arXiv (Cornell University)
  • "Mitigating Bias in Federated Learning" (2020), arXiv (Cornell University)
  • "Amnis: Optimized stream processing for edge computing" (2021), Journal of Parallel and Distributed Computing
  • "FedV: Privacy-Preserving Federated Learning over Vertically Partitioned Data" (2021), arXiv (Cornell University)
  • "Adaptive Histogram-Based Gradient Boosted Trees for Federated Learning" (2020), arXiv (Cornell University)

Ludwig's notable frequent collaborators include researchers Nathalie Baracaldo, Ali Anwar, Yi Zhou, and Parikshit Ram.

Within their academic career, Ludwig has received recognition as an ACM Distinguished Member in 2016 and as an ACM Senior Member in 2009.

Best Publications

  • The WSLA Framework: Specifying and Monitoring Service Level Agreements for Web Services

    Alexander Keller;Heiko Ludwig

  • Web services agreement specification (ws-agreement)

    Alain Andrieux;Karl Czajkowski;Asit Dan;Katarzyna Keahey

  • A Hybrid Approach to Privacy-Preserving Federated Learning

    Stacey Truex;Nathalie Baracaldo;Ali Anwar;Thomas Steinke

  • Web Service Level Agreement (WSLA) Language Specification

    Heiko Ludwig;Alexander Keller;Richard P. King;Richard Franck

  • CrossFlow: Cross-Organizational Workflow Management in Dynamic Virtual Enterprises

    P.W.P.J. Grefen;Karl Aberer;Yigal Hoffner;Heiko Ludwig

  • Web services on demand: WSLA-driven automated management

    A. Dan;D. Davis;R. Kearney;A. Keller

  • HybridAlpha: An Efficient Approach for Privacy-Preserving Federated Learning

    Runhua Xu;Nathalie Baracaldo;Yi Zhou;Ali Anwar

  • Cremona: an architecture and library for creation and monitoring of WS-agreents

    Heiko Ludwig;Asit Dan;Robert Kearney

  • Adversarial Robustness Toolbox v1.0.0

    Maria-Irina Nicolae;Mathieu Sinn;Minh Ngoc Tran;Beat Buesser

  • TiFL: A Tier-based Federated Learning System

    Zheng Chai;Ahsan Ali;Syed Zawad;Stacey Truex

  • Detecting Backdoor Attacks on Deep Neural Networks by Activation Clustering

    Bryant Chen;Wilka Carvalho;Nathalie Baracaldo;Heiko Ludwig

  • Detecting Backdoor Attacks on Deep Neural Networks by Activation Clustering.

    Bryant Chen;Wilka Carvalho;Nathalie Baracaldo;Heiko Ludwig

  • A Service Level Agreement Language for Dynamic Electronic Services

    Heiko Ludwig;Alexander Keller;Asit Dan;Richard King

  • Detecting Backdoor Attacks on Deep Neural Networks by Activation Clustering

    Unknown

  • Zenith: Utility-Aware Resource Allocation for Edge Computing

    Jinlai Xu;Balaji Palanisamy;Heiko Ludwig;Qingyang Wang

  • Web services QoS: external SLAs and internal policies or: how do we deliver what we promise?

    H. Ludwig

  • Contract-driven creation and operation of virtual enterprises

    Yigal Hoffner;Simon Field;Paul Grefen;Heiko Ludwig

  • Defining and Monitoring Service-Level Agreements for Dynamic e-Business

    Alexander Keller;Heiko Ludwig

  • CrossFlow: Cross-Organizational Workflow Management for Service Outsourcing in Dynamic Virtual Enterprises

    Paul W. P. J. Grefen;Karl Aberer;Heiko Ludwig;Yigal Hoffner

  • A service level agreement language for dynamic electronic services

    H. Ludwig;A. Keller;A. Dan;R. King

  • Mitigating Poisoning Attacks on Machine Learning Models: A Data Provenance Based Approach

    Nathalie Baracaldo;Bryant Chen;Heiko Ludwig;Jaehoon Amir Safavi

  • IBM Federated Learning: an Enterprise Framework White Paper V0.1

    Heiko Ludwig;Nathalie Baracaldo;Gegi Thomas;Yi Zhou

  • Foggy: A Framework for Continuous Automated IoT Application Deployment in Fog Computing

    Emre Yigitoglu;Mohamed Mohamed;Ling Liu;Heiko Ludwig

  • PANDA: Specifying Policies for Automated Negotiations of Service Contracts

    Henner Gimpel;Heiko Ludwig;Asit Dan;Bob Kearney

  • Managing dynamic services: a contract based approach to a conceptual architecture

    A. Keller;G. Kar;H. Ludwig;A. Dan

  • A THREE-LEVEL FRAMEWORK FOR PROCESS AND DATA MANAGEMENT OF COMPLEX E-SERVICES

    Paul W. P. J. Grefen;Heiko Ludwig;Samuil Angelov

Frequent Co-Authors

Asit Dan
Asit Dan IBM (United States)
Paul Grefen
Paul Grefen Eindhoven University of Technology
Karl Aberer
Karl Aberer École Polytechnique Fédérale de Lausanne
Mahmoud Naghshineh
Mahmoud Naghshineh IBM (United States)
Ming-Chien Shan
Ming-Chien Shan Hewlett-Packard (United States)
Ling Liu
Ling Liu Georgia Institute of Technology
Steven Tuecke
Steven Tuecke University of Chicago
Dimitri Kanevsky
Dimitri Kanevsky Google (United States)
Ajay Mohindra
Ajay Mohindra Amazon (United States)
Yixin Diao
Yixin Diao IBM (United States)

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