World's Best Scientists 2026 revealed!
Nicolas Kourtellis

Nicolas Kourtellis

D-Index & Metrics

Computer Science

D-Index
30
Citations
5049
World Ranking
13953
National Ranking
276

Nicolas Kourtellis 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 Nicolas Kourtellis 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: 173 publications — 36th percentile

36% of scientists in this discipline score the same or lower.

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

Nicolas Kourtellis 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 Nicolas Kourtellis 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: 30 D-Index — 3rd percentile

3% of scientists in this discipline score the same or lower.

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

Overview

Nicolas Kourtellis is affiliated with Telefónica in Spain and has an extensive publication record primarily in the field of Computer Science. Their research spans related subfields such as Artificial Intelligence, Sociology and Political Science, Information Systems, Computer Networks and Communications, and Statistical and Nonlinear Physics.

The scientist's work focuses on several key research topics, including:

  • Privacy-Preserving Technologies in Data
  • Spam and Phishing Detection
  • Misinformation and Its Impacts
  • Hate Speech and Cyberbullying Detection
  • Privacy, Security, and Data Protection
  • Internet Traffic Analysis and Secure E-voting
  • Complex Network Analysis Techniques

Kourtellis has co-authored papers frequently with a number of researchers, including:

  • Michael Sirivianos
  • Evangelos P. Markatos
  • Jeremy Blackburn
  • Ilias Leontiadis
  • Gianluca Stringhini

Their publications have appeared in various venues, with the most frequent being:

  • arXiv (Cornell University)
  • Zenodo (CERN European Organization for Nuclear Research)
  • Proceedings of the International AAAI Conference on Web and Social Media
  • IEEE Internet Computing
  • Journal of Industrial Information Integration

Notable papers authored by Kourtellis include:

  • Disturbed YouTube for Kids: Characterizing and Detecting Inappropriate Videos Targeting Young Children, 2020, Proceedings of the International AAAI Conference on Web and Social Media
  • PPFL: Privacy-preserving Federated Learning with Trusted Execution Environments, 2021, arXiv (Cornell University)
  • A survey on privacy for B5G/6G: New privacy challenges, and research directions, 2022, Journal of Industrial Information Integration
  • Privacy-preserving AI for future networks, 2022, Communications of the ACM
  • PPFL, 2022, GetMobile Mobile Computing and Communications

Kourtellis has also contributed to book publications with Springer Science+Business Media, with titles including:

  • Machine Learning and Knowledge Discovery in Databases. Applied Data Science Track (2021)
  • Machine Learning and Knowledge Discovery in Databases: Applied Data Science and Demo Track (2023)

Best Publications

  • Large scale crowdsourcing and characterization of twitter abusive behavior

    Antigoni Maria Founta;Constantinos Djouvas;Despoina Chatzakou;Ilias Leontiadis

  • Large Scale Crowdsourcing and Characterization of Twitter Abusive Behavior

    Antigoni-Maria Founta;Constantinos Djouvas;Despoina Chatzakou;Ilias Leontiadis

  • Mean Birds: Detecting Aggression and Bullying on Twitter

    Despoina Chatzakou;Nicolas Kourtellis;Jeremy Blackburn;Emiliano De Cristofaro

  • Kek, Cucks, and God Emperor Trump: A Measurement Study of 4chan's Politically Incorrect Forum and its Effects on the Web

    Gabriel Emile Hine;Jeremiah Onaolapo;Emiliano De Cristofaro;Nicolas Kourtellis

  • A Unified Deep Learning Architecture for Abuse Detection

    Antigoni Maria Founta;Despoina Chatzakou;Nicolas Kourtellis;Jeremy Blackburn

  • PPFL: privacy-preserving federated learning with trusted execution environments

    Fan Mo;Hamed Haddadi;Kleomenis Katevas;Eduard Marin

  • The web centipede: understanding how web communities influence each other through the lens of mainstream and alternative news sources

    Savvas Zannettou;Tristan Caulfield;Emiliano De Cristofaro;Nicolas Kourtelris

  • The Web of False Information: Rumors, Fake News, Hoaxes, Clickbait, and Various Other Shenanigans

    Savvas Zannettou;Michael Sirivianos;Jeremy Blackburn;Nicolas Kourtellis

  • Identifying high betweenness centrality nodes in large social networks

    Nicolas Kourtellis;Tharaka Alahakoon;Ramanuja Simha;Adriana Iamnitchi

  • The power of both choices: Practical load balancing for distributed stream processing engines

    Muhammad Anis Uddin Nasir;Gianmarco De Francisci Morales;David Garcia-Soriano;Nicolas Kourtellis

  • Kek, Cucks, and God Emperor Trump: A Measurement Study of 4chan's Politically Incorrect Forum and Its Effects on the Web

    Gabriel Emile Hine;Jeremiah Onaolapo;Emiliano De Cristofaro;Nicolas Kourtellis

  • Disturbed YouTube for kids: characterizing and detecting inappropriate videos targeting young children

    Kostantinos Papadamou;Antonis Papasavva;Savvas Zannettou;Jeremy Blackburn

  • Detecting Cyberbullying and Cyberaggression in Social Media

    Despoina Chatzakou;Ilias Leontiadis;Jeremy Blackburn;Emiliano De Cristofaro

  • Dynamic Matrix Factorization with Priors on Unknown Values

    Robin Devooght;Nicolas Kourtellis;Amin Mantrach

  • If you are not paying for it, you are the product: how much do advertisers pay to reach you?

    Panagiotis Papadopoulos;Nicolas Kourtellis;Pablo Rodriguez Rodriguez;Nikolaos Laoutaris

  • When two choices are not enough: Balancing at scale in Distributed Stream Processing

    Muhammad Anis Uddin Nasir;Gianmarco De Francisci Morales;Nicolas Kourtellis;Marco Serafini

  • Measuring #GamerGate: A Tale of Hate, Sexism, and Bullying

    Despoina Chatzakou;Nicolas Kourtellis;Jeremy Blackburn;Emiliano De Cristofaro

  • Scalable Online Betweenness Centrality in Evolving Graphs

    Nicolas Kourtellis;Gianmarco De Francisci Morales;Francesco Bonchi

  • Prometheus: user-controlled P2P social data management for socially-aware applications

    Nicolas Kourtellis;Joshua Finnis;Paul Anderson;Jeremy Blackburn

  • Cookie Synchronization: Everything You Always Wanted to Know But Were Afraid to Ask

    Panagiotis Papadopoulos;Nicolas Kourtellis;Evangelos Markatos

  • Cheating in Online Games: A Social Network Perspective

    Jeremy Blackburn;Nicolas Kourtellis;John Skvoretz;Matei Ripeanu

  • The Social World of Content Abusers in Community Question Answering

    Imrul Kayes;Nicolas Kourtellis;Daniele Quercia;Adriana Iamnitchi

  • Prometheus: User-Controlled P2P Social Data Management for Socially-Aware Applications

    Unknown

  • K-path centrality: a new centrality measure in social networks

    Tharaka Alahakoon;Rahul Tripathi;Nicolas Kourtellis;Ramanuja Simha

  • Hate is not Binary: Studying Abusive Behavior of #GamerGate on Twitter

    Despoina Chatzakou;Nicolas Kourtellis;Jeremy Blackburn;Emiliano De Cristofaro

  • "You Know What to Do": Proactive Detection of YouTube Videos Targeted by Coordinated Hate Attacks

    Enrico Mariconti;Guillermo Suarez-Tangil;Jeremy Blackburn;Emiliano De Cristofaro

Frequent Co-Authors

Jeremy Blackburn
Jeremy Blackburn Binghamton University
Adriana Iamnitchi
Adriana Iamnitchi Maastricht University
Ilias Leontiadis
Ilias Leontiadis Facebook (United States)
Gianluca Stringhini
Gianluca Stringhini Boston University
Emiliano De Cristofaro
Emiliano De Cristofaro University of California, Riverside
Athena Vakali
Athena Vakali Aristotle University of Thessaloniki
Francesco Bonchi
Francesco Bonchi Institute for Scientific Interchange
Evangelos P. Markatos
Evangelos P. Markatos University of Crete
Nikolaos Laoutaris
Nikolaos Laoutaris Madrid Institute for Advanced Studies
John Skvoretz
John Skvoretz University of South Florida

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