World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
46
Citations
11160
World Ranking
6743
National Ranking
266

Chanchal K. Roy 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 Chanchal K. Roy 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: 248 publications — 62nd percentile

62% of scientists in this discipline score the same or lower.

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

Chanchal K. Roy 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 Chanchal K. Roy 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

Chanchal K. Roy is affiliated with the University of Saskatchewan in Canada and works primarily in the field of Computer Science. Their research spans several subfields, including Information Systems, Artificial Intelligence, Software, Computer Networks and Communications, and Signal Processing.

The main topics addressed in their research include:

  • Software Engineering Research
  • Advanced Malware Detection Techniques
  • Software System Performance and Reliability
  • Software Engineering Techniques and Practices
  • Software Testing and Debugging Techniques
  • Software Reliability and Analysis Research
  • Topic Modeling

Chanchal K. Roy has authored numerous papers published in a variety of venues. Frequent publication outlets for their work include:

  • arXiv (Cornell University)
  • Zenodo (CERN European Organization for Nuclear Research)
  • Journal of Systems and Software
  • Empirical Software Engineering
  • SSRN Electronic Journal

Selected recent papers include:

  • "A systematic literature review on source code similarity measurement and clone detection: Techniques, applications, and challenges," 2023, Journal of Systems and Software
  • "Mining API usage scenarios from stack overflow," 2020, Information and Software Technology
  • "LVMapper: A Large-Variance Clone Detector Using Sequencing Alignment Approach," 2020, IEEE Access
  • "CROKAGE: effective solution recommendation for programming tasks by leveraging crowd knowledge," 2020, Empirical Software Engineering
  • "Leveraging structural properties of source code graphs for just-in-time bug prediction," 2022, Automated Software Engineering

Throughout their career, Chanchal K. Roy has collaborated frequently with other researchers. Notable coauthors include:

  • Kevin A. Schneider
  • Banani Roy
  • Foutse Khomh
  • Md Nadim
  • Mohammad Masudur Rahman

Best Publications

  • Comparison and evaluation of code clone detection techniques and tools: A qualitative approach

    Chanchal K. Roy;James R. Cordy;Rainer Koschke

  • A Survey on Software Clone Detection Research

    Chanchal Kumar Roy;James R. Cordy

  • NICAD: Accurate Detection of Near-Miss Intentional Clones Using Flexible Pretty-Printing and Code Normalization

    C.K. Roy;J.R. Cordy

  • SourcererCC: scaling code clone detection to big-code

    Hitesh Sajnani;Vaibhav Saini;Jeffrey Svajlenko;Chanchal K. Roy

  • Towards a Big Data Curated Benchmark of Inter-project Code Clones

    Jeffrey Svajlenko;Judith F. Islam;Iman Keivanloo;Chanchal K. Roy

  • The NiCad Clone Detector

    James R. Cordy;Chanchal K. Roy

  • Answering questions about unanswered questions of Stack Overflow

    Muhammad Asaduzzaman;Ahmed Shah Mashiyat;Chanchal K. Roy;Kevin A. Schneider

  • A Mutation/Injection-Based Automatic Framework for Evaluating Code Clone Detection Tools

    Chanchal K. Roy;James R. Cordy

  • The vision of software clone management: Past, present, and future (Keynote paper)

    Chanchal K. Roy;Minhaz F. Zibran;Rainer Koschke

  • An Empirical Study of Function Clones in Open Source Software

    C.K. Roy;J.R. Cordy

  • Evaluating clone detection tools with BigCloneBench

    Jeffrey Svajlenko;Chanchal K. Roy

  • RACK: Automatic API Recommendation Using Crowdsourced Knowledge

    Mohammad Masudur Rahman;Chanchal K. Roy;David Lo

  • Evaluating Modern Clone Detection Tools

    Jeffrey Svajlenko;Chanchal K. Roy

  • Mining duplicate questions in stack overflow

    Muhammad Ahasanuzzaman;Muhammad Asaduzzaman;Chanchal K. Roy;Kevin A. Schneider

  • Detection and analysis of near-miss software clones

    Chanchal K. Roy

  • CCAligner: a token based large-gap clone detector

    Pengcheng Wang;Jeffrey Svajlenko;Yanzhao Wu;Yun Xu

  • Near-miss function clones in open source software: an empirical study

    C. K. Roy;J. R. Cordy

  • On the Effectiveness of Simhash for Detecting Near-Miss Clones in Large Scale Software Systems

    Md. Sharif Uddin;Chanchal K. Roy;Kevin A. Schneider;Abram Hindle

  • An insight into the pull requests of GitHub

    Mohammad Masudur Rahman;Chanchal K. Roy

  • Scenario-Based Comparison of Clone Detection Techniques

    C.K. Roy;J.R. Cordy

  • The Vision of Software Clone Management: Past, Present, and Future.

    Chanchal K. Roy;Minhaz F. Zibran;Rainer Koschke

Frequent Co-Authors

Kevin A. Schneider
Kevin A. Schneider University of Saskatchewan
James R. Cordy
James R. Cordy Queen's University
Foutse Khomh
Foutse Khomh Polytechnique Montréal
David Lo
David Lo Singapore Management University
Rainer Koschke
Rainer Koschke University of Bremen
Jens Krinke
Jens Krinke University College London
Tasuku Nakajima
Tasuku Nakajima Hokkaido University
Takayuki Kurokawa
Takayuki Kurokawa Hokkaido University
Massimiliano Di Penta
Massimiliano Di Penta University of Sannio
Jian Ping Gong
Jian Ping Gong Hokkaido University

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

Pursuing a Computer Science degree in the USA now offers more flexibility than ever with a variety of online options. Many students prioritize finding affordable online degree programs to help manage tuition costs while still receiving a quality education.

If you’re worried about admissions, there are also online graduate schools with low gpa requirements that make advanced study in computer science more accessible for non-traditional students or career changers.

Accelerated options are increasingly popular for those aiming to enter the workforce quickly. For example, you can explore a accelerated computer science degree to complete your studies in less time, jumpstarting your tech career.

Graduates aren't limited to software development; skills gained through computer science programs open doors to many industries, similarly to what you’ll find if you ask what can i do with an environmental science degree. Your career could range from data analysis to cybersecurity, AI, and beyond.

Best Scientists Citing Chanchal K. Roy

Trending Scientists

Recently Published Articles