World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
39
Citations
14829
World Ranking
9491
National Ranking
22

Tim Bell 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 Tim Bell 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: 167 publications — 33rd percentile

33% of scientists in this discipline score the same or lower.

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

Tim Bell 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 Tim Bell 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: 39 D-Index — 33rd percentile

33% 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

  • 2018 - ACM Distinguished Member

Overview

Tim Bell is affiliated with the University of Canterbury in New Zealand and operates primarily within the field of Computer Science. Their research encompasses multiple subfields, including Computer Science Applications, Information Systems, Economics and Econometrics, Artificial Intelligence, and Education.

The main focus of their work is on Teaching and Learning Programming, a topic associated with the majority of their publications. Other research areas addressed include Software Engineering Research, Online Learning and Analytics, Embedded Systems Design Techniques, Software Testing and Debugging Techniques, Engineering Education and Technology, and E-Learning and Knowledge Management.

Tim Bell has contributed to various academic venues. Frequent publication outlets include Communications of the ACM, Journal of Pedagogical Research, ACM Inroads, Value in Health, and ACM Transactions on Computing Education.

Among the recent papers authored or co-authored by Tim Bell are:

  • Computer science without computers: new outreach methods from old tricks (2024, Lancaster EPrints)
  • CS unplugged or coding classes? (2021, Communications of the ACM)
  • Providing a CS unplugged experience at a distance (2022, ACM Inroads)

Other related work appearing in the scholarly record, co-authored by frequent collaborators, covers topics with interdisciplinary links such as health economics.

Frequent co-authors in their research include Bhagya Munasinghe, Anthony Robins, Tracy Henderson, Deirdre Mladsi, and Christine Barnett.

Tim Bell's recognition includes the ACM Distinguished Member award received in 2018.

Best Publications

  • Managing Gigabytes: Compressing and Indexing Documents and Images

    I.H. Witten;A. Moffat;T.C. Bell

  • Text Compression

    Timothy C. Bell;John G. Cleary;Ian H. Witten

  • Managing gigabytes (2nd ed.): compressing and indexing documents and images

    Ian H. Witten;Alistair Moffat;Timothy C. Bell

  • The zero-frequency problem: estimating the probabilities of novel events in adaptive text compression

    I.H. Witten;T.C. Bell

  • Computer science unplugged: school students doing real computing without computers

    Tim Bell;Jason Alexander;Isaac Freeman;Mick Grimley

  • Modeling for text compression

    Timothy Bell;Ian H. Witten;John G. Cleary

  • Computer science in K-12 school curricula of the 2lst century: Why, what and when?

    Mary Webb;Niki Davis;Tim Bell;Yaacov J. Katz

  • A corpus for the evaluation of lossless compression algorithms

    R. Arnold;T. Bell

  • The Burrows-Wheeler Transform:: Data Compression, Suffix Arrays, and Pattern Matching

    Donald Adjeroh;Timothy Bell;Amar Mukherjee

  • The Challenge of Optical Music Recognition

    David Bainbridge;Tim Bell

  • Computer science unplugged and related projects in math and computer science popularization

    Tim Bell;Frances Rosamond;Nancy Casey

  • Should your 8-year-old learn coding?

    Caitlin Duncan;Tim Bell;Steve Tanimoto

  • CS Unplugged—How Is It Used, and Does It Work?

    Tim Bell;Jan Vahrenhold

  • Computer Science Unplugged: off-line activities and games for all ages

    Tim Bell;Ian H. Witten;Mike Fellows

  • A Pilot Computer Science and Programming Course for Primary School Students

    Caitlin Duncan;Tim Bell

  • Cloud Types and Services

    Hai Jin;Shadi Ibrahim;Tim Bell;Wei Gao

  • Better OPM/L Text Compression

    T. Bell

  • A Case Study of the Introduction of Computer Science in NZ Schools

    Tim Bell;Peter Andreae;Anthony Robins

  • Podcasts as a supplement in tertiary education: an experiment with two Computer Science courses

    Tim Bell;Andy Cockburn;Anna Wingkvist;Richard Green

  • Data compression in full-text retrieval systems

    Timothy C. Bell;Alistair Moffat;Craig G. Nevill-Manning;Ian H. Witten

  • Man-aging Gigabytes: Compressing and Indexing Docu-ments and Images

    Ian H. Witten;Alistair Moffat;Timothy C. Bell

Frequent Co-Authors

Ian H. Witten
Ian H. Witten University of Waikato
Alistair Moffat
Alistair Moffat University of Melbourne
Donald A. Adjeroh
Donald A. Adjeroh West Virginia University
Andy Cockburn
Andy Cockburn University of Canterbury
Michael R. Fellows
Michael R. Fellows Lebanese American University
Justin Zobel
Justin Zobel University of Melbourne
Hai Jin
Hai Jin Huazhong University of Science and Technology
Harold Thimbleby
Harold Thimbleby Swansea University
Joke Voogt
Joke Voogt University of Amsterdam
Peter J. Denning
Peter J. Denning Naval Postgraduate School

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