World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
46
Citations
7486
World Ranking
6915
National Ranking
3027

Ralf Lämmel 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 Ralf Lämmel 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: 213 publications — 51st percentile

51% of scientists in this discipline score the same or lower.

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

Ralf Lämmel 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 Ralf Lämmel 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: 46 D-Index — 53rd percentile

53% of scientists in this discipline score the same or lower.

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

Overview

Ralf Lämmel is a researcher affiliated with Facebook in the United States. Their academic work primarily centers on the field of Computer Science, with significant contributions across several subfields including Artificial Intelligence, Information Systems, Computer Networks and Communications, Information Systems and Management, and Software.

The research topics Lämmel has been involved in cover a range of areas:

  • Semantic Web and Ontologies
  • Software Engineering Research
  • Software System Performance and Reliability
  • Scientific Computing and Data Management
  • Advanced Database Systems and Queries
  • Software Engineering Techniques and Practices
  • Topic Modeling

Lämmel has published extensively with a portfolio of 41 publications in Computer Science. The venues in which their work frequently appears include:

  • arXiv (Cornell University)
  • IEEE Transactions on Software Engineering
  • Empirical Software Engineering
  • Journal of Archaeological Science
  • The Journal of Object Technology

Some of the notable recent publications are:

  • "WES: Agent-based User Interaction Simulation on Real Infrastructure," published in 2020 at arXiv (Cornell University)
  • "Virtual Platform: Effective and Seamless Variability Management for Software Systems," published in 2024 in IEEE Transactions on Software Engineering
  • "Operationalizing validity of empirical software engineering studies," published in 2023 in Empirical Software Engineering
  • "Seamless Variability Management With the Virtual Platform," published in 2021 at arXiv (Cornell University)
  • "An AI-assisted workflow for object detection and data collection from archaeological catalogues," published in 2025 in Journal of Archaeological Science

Lämmel has collaborated frequently with several co-authors, including:

  • Philipp Seifer
  • Steffen Staab
  • Martin Leinberger
  • Tjitze Rienstra
  • Maria Eugenia Berezin

Best Publications

  • Google's MapReduce programming model — Revisited

    Ralf Lämmel

  • Scrap your boilerplate: a practical design pattern for generic programming

    Ralf Lämmel;Simon Peyton Jones

  • Toward an engineering discipline for grammarware

    Paul Klint;Ralf Lämmel;Chris Verhoef

  • Bidirectional Transformations: A Cross-Discipline Perspective

    Krzysztof Czarnecki;J. Nathan Foster;Zhenjiang Hu;Ralf Lämmel

  • Strongly typed heterogeneous collections

    Oleg Kiselyov;Ralf Lämmel;Keean Schupke

  • Semi-automatic grammar recovery

    R. Lämmel;C. Verhoef

  • A Strafunski Application Letter

    Ralf Lämmel;Ralf Lämmel;Joost Visser

  • Scrap your boilerplate with class: extensible generic functions

    Ralf Lämmel;Simon Peyton Jones

  • Controllable combinatorial coverage in grammar-based testing

    Ralf Lämmel;Wolfram Schulte

  • Generative and transformational techniques in software engineering III

    João M. Fernandes;Ralf Lämmel;Joost Visser;João Alexandre Saraiva

  • Grammar Testing

    Ralf Lämmel

  • Scrap more boilerplate: reflection, zips, and generalised casts

    Ralf Lämmel;Simon Peyton Jones

  • Grammar Adaptation

    Ralf Lämmel

  • Cracking the 500-language problem

    R. Lammel;C. Verhoef

  • Coupled software transformations revisited

    Ralf Lämmel

  • Large-scale, AST-based API-usage analysis of open-source Java projects

    Ralf Lämmel;Ekaterina Pek;Jürgen Starek

  • Typed Combinators for Generic Traversal

    Ralf Lämmel;Ralf Lämmel;Joost Visser

  • Flexible product line engineering with a virtual platform

    Michał Antkiewicz;Wenbin Ji;Thorsten Berger;Krzysztof Czarnecki

  • Towards generic refactoring

    Ralf Lämmel

  • A semantical approach to method-call interception

    Ralf Lämmel

  • Typed combinators for generic traversal

    Ralf Lämmel;J. Vonk

  • Scrap your boilerplate: a practical design pattern for generic programming

    Ralf Lämmel;S. Peyton Jones

Frequent Co-Authors

Steffen Staab
Steffen Staab University of Stuttgart
Joost Visser
Joost Visser Leiden University
Erik Meijer
Erik Meijer Facebook (United States)
Henricus Johannes Maria Meijer
Henricus Johannes Maria Meijer Microsoft (United States)
Simon Jones
Simon Jones Microsoft (United States)
Dragan Gasevic
Dragan Gasevic Monash University
Alfonso Pierantonio
Alfonso Pierantonio University of L'Aquila
Chris Verhoef
Chris Verhoef Vrije Universiteit Amsterdam
Davide Di Ruscio
Davide Di Ruscio University of L'Aquila
Thorsten Berger
Thorsten Berger Ruhr University Bochum

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