World's Best Scientists 2026 revealed!
Award Badge
Computer Science
Greece
2026

D-Index & Metrics

Computer Science

D-Index
68
Citations
19974
World Ranking
2069
National Ranking
5

Yannis E. Ioannidis 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 Yannis E. Ioannidis 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: 424 publications — 89th percentile

89% of scientists in this discipline score the same or lower.

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

Yannis E. Ioannidis 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 Yannis E. Ioannidis 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: 68 D-Index — 86th percentile

86% 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

  • 2026 - Research.com Computer Science in Greece Leader Award
  • 2025 - Research.com Computer Science in Greece Leader Award
  • 2023 - Research.com Computer Science in Greece Leader Award
  • 2022 - Research.com Computer Science in Greece Leader Award
  • 2011 - Member of Academia Europaea
  • 2010 - IEEE Fellow For contributions to database systems including query optimization and data management
  • 2004 - ACM Fellow For contributions to database systems, particularly query optimization.

Overview

Yannis E. Ioannidis is affiliated with the National and Kapodistrian University of Athens in Greece. Their research work primarily spans the field of Computer Science, with a focus on several subfields including Computer Vision and Pattern Recognition, Human-Computer Interaction, Cognitive Neuroscience, Information Systems, and Artificial Intelligence.

The scientist's main topics of research cover a diverse range of areas. These include:

  • Virtual Reality Applications and Impacts
  • Digital Storytelling and Education
  • Advanced Database Systems and Queries
  • EEG and Brain-Computer Interfaces
  • Scientific Computing and Data Management
  • Innovative Human-Technology Interaction
  • Cloud Computing and Resource Management

A selection of recent publications illustrates the scope and variety of their work. These include:

  • Towards a European health research and innovation cloud (HRIC), 2020, published in Genome Medicine
  • "Let Them Talk!", 2020, published in Journal on Computing and Cultural Heritage
  • History education done different: A collaborative interactive digital storytelling approach for remote learners, 2022, published in Frontiers in Education
  • The coming decade of digital brain research: A vision for neuroscience at the intersection of technology and computing, 2024, published in Imaging Neuroscience
  • Human-AI coevolution, 2024, published in Artificial Intelligence

Their frequent co-authors include Akrivi Katifori with whom they have collaborated on 22 publications, Dimitra Petousi (9 publications), Μαρία Ρούσσου (8 publications), Maria Vayanou (7 publications), and Katerina El Raheb (7 publications).

Yannis E. Ioannidis has published extensively across various academic venues. The prominent publication venues with multiple contributions are:

  • Journal on Computing and Cultural Heritage (6 publications)
  • Zenodo (CERN European Organization for Nuclear Research) (5 publications)
  • Proceedings of the VLDB Endowment (4 publications)
  • Communications of the ACM (3 publications)
  • Wearable Technologies (2 publications)

The scientist's career has included recognition through various awards. These include being named a Member of Academia Europaea in 2011, an IEEE Fellow in 2010 for contributions to database systems including query optimization and data management, and an ACM Fellow in 2004 for contributions specifically to database systems and query optimization.

Best Publications

  • Protein Data Bank: the single global archive for 3D macromolecular structure data

    Stephen K Burley;Helen M Berman;Charmi Bhikadiya

  • Improved histograms for selectivity estimation of range predicates

    Viswanath Poosala;Peter J. Haas;Yannis E. Ioannidis;Eugene J. Shekita

  • Selectivity Estimation Without the Attribute Value Independence Assumption

    Viswanath Poosala;Yannis E. Ioannidis

  • The history of histograms (abridged)

    Yannis Ioannidis

  • Bitmap index design and evaluation

    Chee-Yong Chan;Yannis E. Ioannidis

  • Randomized algorithms for optimizing large join queries

    Y. E. Ioannidis;Younkyung Kang

  • Query optimization

    Yannis E. Ioannidis

  • On the propagation of errors in the size of join results

    Yannis E. Ioannidis;Stavros Christodoulakis

  • Balancing histogram optimality and practicality for query result size estimation

    Yannis E. Ioannidis;Viswanath Poosala

  • The New Jersey Data Reduction Report.

    Daniel Barbará;William DuMouchel;Christos Faloutsos;Peter J. Haas

  • The Claremont report on database research

    Rakesh Agrawal;Anastasia Ailamaki;Philip A. Bernstein;Eric A. Brewer

  • Query optimization by simulated annealing

    Yannis E. Ioannidis;Eugene Wong

  • Strategic directions in human-computer interaction

    Brad Myers;Jim Hollan;Isabel Cruz;Steve Bryson

  • Advances in database technology - EDBT 2006 : 10th International Conference on Extending Database Technology, Munich, Germany, March 2006; proceedings

    Yannis Ioannidis;Marc H. Scholl;Joachim W. Schmidt;Florian Matthes

  • Histogram-Based Approximation of Set-Valued Query-Answers

    Yannis E. Ioannidis;Viswanath Poosala

  • The Use of Information Capacity in Schema Integration and Translation

    Renée J. Miller;Yannis E. Ioannidis;Raghu Ramakrishnan

  • An efficient bitmap encoding scheme for selection queries

    Chee-Yong Chan;Yannis E. Ioannidis

  • Parametric query optimization

    Yannis E. Ioannidis;Raymond T. Ng;Kyuseok Shim;Timos K. Sellis

  • Left-deep vs. bushy trees: an analysis of strategy spaces and its implications for query optimization

    Yannis E. Ioannidis;Younkyung Cha Kang

  • The Delos digital library reference model : foundations for digital libraries

    L. Candela;D. Castelli;N. Ferro;Y. Ioannidis

Frequent Co-Authors

Georgia Koutrika
Georgia Koutrika Athena Research Center
Miron Livny
Miron Livny University of Wisconsin–Madison
Evgeny Kharlamov
Evgeny Kharlamov University of Oslo
Raghu Ramakrishnan
Raghu Ramakrishnan Microsoft (United States)
Minos Garofalakis
Minos Garofalakis Technical University of Crete
Yannis Kotidis
Yannis Kotidis Athens University of Economics and Business
Ian Horrocks
Ian Horrocks University of Oxford
Alkis Simitsis
Alkis Simitsis Micro Focus (United States)
Gerhard Weikum
Gerhard Weikum Max Planck Institute for Informatics

If you think any of the details on this page are incorrect, let us know.

Report an issue

We appreciate your kind effort to assist us to improve this page, it would be helpful providing us with as much detail as possible in the text box below:

Related Online Degrees & Career Pathways

The field of Computer Science opens doors to various online degree options, helping professionals advance their careers or pivot into new specializations. Many students are now looking for flexible and affordable educational solutions in the digital age.

For those seeking the most advanced credentials, several cheapest online PhD programs make doctoral studies financially accessible without sacrificing academic rigor. If you aim for roles in leadership or education, fast-track EdD online programs can help you achieve a doctorate in education in less time.

Looking for a quicker start? Many accredited colleges offer a associate's degree online, with programs that can sometimes be completed in just six months. For those interested in combining technology with business skills, the rise of online business schools provides the chance to gain vital management knowledge—all while studying remotely.

No matter your career goal, online degrees offer flexible pathways for advancement in computer science and related professions.

Best Scientists Citing Yannis E. Ioannidis

Trending Scientists

Recently Published Articles