World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
34
Citations
7733
World Ranking
11948
National Ranking
752

Sumi Helal 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 Sumi Helal 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.

Sumi Helal 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 Sumi Helal 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.

Overview

Sumi Helal is affiliated with Lancaster University in the United Kingdom. Their research focuses primarily within the field of Computer Science, with contributions in several subfields including Computer Networks and Communications, Information Systems, Artificial Intelligence, Computer Vision and Pattern Recognition, and Transportation.

Their work extensively covers topics such as IoT and Edge/Fog Computing, Context-Aware Activity Recognition Systems, Blockchain Technology Applications and Security, Human Mobility and Location-Based Analysis, Web Data Mining and Analysis, Mobile Crowdsensing and Crowdsourcing, and Machine Learning in Healthcare.

Frequent publication venues for Sumi Helal include:

  • arXiv (Cornell University)
  • IEEE Internet of Things Journal
  • PLoS ONE
  • Computer
  • IEEE Internet of Things Magazine

Among their recent papers are:

  • Interpretable Machine Learning for COVID-19: An Empirical Study on Severity Prediction Task, 2020, arXiv (Cornell University)
  • When Search Engine Services Meet Large Language Models: Visions and Challenges, 2024, IEEE Transactions on Services Computing
  • Fine-Grained and Context-Aware Behavioral Biometrics for Pattern Lock on Smartphones, 2021, Proceedings of the ACM on Interactive Mobile Wearable and Ubiquitous Technologies
  • DFML: Dynamic Federated Meta-Learning for Rare Disease Prediction, 2023, IEEE/ACM Transactions on Computational Biology and Bioinformatics
  • SafeCity: A Heterogeneous Mobile Crowd Sensing System for Urban Public Safety, 2023, IEEE Internet of Things Journal

Sumi Helal regularly collaborates with several coauthors, including:

  • Jiangtao Wang
  • Choonhwa Lee
  • Wenjie Ruan
  • Weishan Zhang
  • Jiehan Zhou

Best Publications

  • The Gator Tech Smart House: a programmable pervasive space

    S. Helal;W. Mann;H. El-Zabadani;J. King

  • Human Activity Recognition and Pattern Discovery

    Eunju Kim;Sumi Helal;D. Cook

  • Drishti: an integrated indoor/outdoor blind navigation system and service

    L. Ran;S. Helal;S. Moore

  • Konark - a service discovery and delivery protocol for ad-hoc networks

    S. Helal;N. Desai;V. Verma;Choonhwa Lee

  • Location-Based Services: Back to the Future

    P. Bellavista;A. Kupper;S. Helal

  • Enabling smart spaces with OSGi

    Choonhwa Lee;D. Nordstedt;S. Helal

  • RFID information grid for blind navigation and wayfinding

    S. Willis;S. Helal

  • Enabling location-aware pervasive computing applications for the elderly

    S. Helal;B. Winkler;Choonhwa Lee;Y. Kaddoura

  • Standards for service discovery and delivery

    S. Helal

  • Context attributes: an approach to enable context-awareness for service discovery

    Choonhwa Lee;S. Helal

  • The Engineering Handbook of Smart Technology for Aging, Disability, and Independence

    Sumi Helal;Mounir Mokhtari;Bessam Abdulrazak

  • Programming pervasive spaces

    Sumi Helal

  • A Mobile-Cloud Collaborative Traffic Lights Detector for Blind Navigation

    Pelin Angin;Bharat Bhargava;Sumi Helal

  • Smart Phone Based Cognitive Assistant

    Sumi Helal;Carlos Giraldo;Youssef Kaddoura;Choonhwa Lee

  • A three-tier architecture for ubiquitous data access

    S. Helal;J. Hammer;J. Zhang;A. Khushraj

  • Persim - Simulator for Human Activities in Pervasive Spaces

    Sumi Helal;Jae Woong Lee;Shantonu Hossain;Eunju Kim

  • Energy Saving Techniques in Mobile Crowd Sensing: Current State and Future Opportunities

    Jiangtao Wang;Yasha Wang;Daqing Zhang;Sumi Helal

  • Sifting Through the Jungle of Sensor Standards

    Chao Chen;S. Helal

  • Use of cell phones by elders with impairments: Overall appraisal, satisfaction, and suggestions

    William C. Mann;Sumi Helal;Rick D. Davenport;Michael D. Justiss

  • HiCoMo: High Commit Mobile Transactions

    Minsoo Lee;Sumi Helal

  • Proceedings of the 19th annual international conference on Mobile computing & networking

    Sumi Helal;Ranveer Chandra;Robin Kravets

Frequent Co-Authors

Diane J. Cook
Diane J. Cook Washington State University
Wonjun Lee
Wonjun Lee Korea University
Sasu Tarkoma
Sasu Tarkoma University of Helsinki
Hani Hagras
Hani Hagras University of Essex
Daqing Zhang
Daqing Zhang Peking University
Paolo Bellavista
Paolo Bellavista University of Bologna
Sunny Consolvo
Sunny Consolvo Google (United States)
Qiang Ni
Qiang Ni Lancaster University
Giulio Jacucci
Giulio Jacucci University of Helsinki
Ranveer Chandra
Ranveer Chandra Microsoft (United States)

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