World's Best Scientists 2026 revealed!

D-Index & Metrics

Discipline name D-Index World Ranking Current World Ranking National Ranking Current National Ranking Publications Citations
Computer Science 46 6743 6549 266 253 248 11160

Chanchal K. Roy publications per year

The chart shows the history of publications by Chanchal K. Roy between 2005 and 2025, highlighting the no. of papers published in each year and offering an overview of the publication velocity of this scholar. Chanchal K. Roy published across 21 years, from 2005 to 2025, averaging 16.5 papers a year. Output peaked at 36 publications in 2021. 54 of the 347 publications appeared in the last two years.

No. of publications
10 20 30
Bar chart. Horizontal axis: year, 2005 to 2025. Vertical axis: number of publications, 0 to 36. Peak 36 publications in 2021. 2005: 2 publications 2006: 3 publications 2007: 2 publications 2008: 4 publications 2009: 4 publications 2010: 3 publications 2011: 13 publications 2012: 11 publications 2013: 18 publications 2014: 25 publications 2015: 16 publications 2016: 22 publications 2017: 17 publications 2018: 20 publications 2019: 18 publications 2020: 31 publications 2021: 36 publications 2022: 20 publications 2023: 28 publications 2024: 27 publications 2025: 27 publications
2005 2025

347 publications in total across all disciplines

View publications per year as a table
Chanchal K. Roy: publications per year, 2005 to 2025
Year Publications
2005 2
2006 3
2007 2
2008 4
2009 4
2010 3
2011 13
2012 11
2013 18
2014 25
2015 16
2016 22
2017 17
2018 20
2019 18
2020 31
2021 36
2022 20
2023 28
2024 27
2025 27
Total 347
Download as CSV

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.

No. of scientists
200 400 600
Bar chart with 97 bars. Horizontal axis: publications, 32–41 to 991+. Vertical axis: number of scientists, 0 to 609. Most scientists, 609, have 142–151 publications. The last bar groups every scientist with 991 publications or more. The highlighted bar, 242–251 publications, is where this scientist sits. 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
32–41 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.

View publications distribution as a table
Number of Computer Science scientists by publication count, Research.com 2026 ranking edition. Based on 14,188 ranked scientists.
Publications Scientists This scientist
32–41 7
42–51 22
52–61 82
62–71 134
72–81 249
82–91 324
92–101 421
102–111 420
112–121 497
122–131 544
132–141 555
142–151 609
152–161 559
162–171 534
172–181 556
182–191 583
192–201 519
202–211 508
212–221 490
222–231 437
232–241 423
242–251 408 248
252–261 377
262–271 301
272–281 335
282–291 320
292–301 293
302–311 250
312–321 238
322–331 206
332–341 209
342–351 208
352–361 162
362–371 176
372–381 127
382–391 158
392–401 128
402–411 104
412–421 94
422–431 99
432–441 83
442–451 108
452–461 73
462–471 77
472–481 69
482–491 84
492–501 62
502–511 54
512–521 57
522–531 51
532–541 51
542–551 32
552–561 38
562–571 28
572–581 43
582–591 33
592–601 41
602–611 32
612–621 28
622–631 25
632–641 27
642–651 17
652–661 20
662–671 17
672–681 15
682–691 14
692–701 21
702–711 13
712–721 12
722–731 19
732–741 14
742–751 12
752–761 10
762–771 10
772–781 11
782–791 10
792–801 11
802–811 8
812–821 8
822–831 7
832–841 11
842–851 10
852–861 5
862–871 9
872–881 4
882–891 6
892–901 3
902–911 6
912–921 3
922–931 2
932–941 2
942–951 2
952–961 3
962–971 3
972–981 3
982–990 5
991+ 100
Download as CSV

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.

No. of scientists
200 400 600 800
Bar chart with 52 bars. Horizontal axis: D-Index, 30–31 to 131+. Vertical axis: number of scientists, 0 to 990. Most scientists, 990, have 36–37 D-Index. The last bar groups every scientist with 131 D-Index or more. The highlighted bar, 46–47 D-Index, is where this scientist sits. 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
30–31 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.

View D-Index distribution as a table
Number of Computer Science scientists by D-index, Research.com 2026 ranking edition. Based on 14,188 ranked scientists.
D-Index Scientists This scientist
30–31 879
32–33 983
34–35 918
36–37 990
38–39 968
40–41 907
42–43 821
44–45 763
46–47 689 46
48–49 543
50–51 543
52–53 518
54–55 500
56–57 458
58–59 400
60–61 337
62–63 308
64–65 292
66–67 249
68–69 213
70–71 192
72–73 189
74–75 165
76–77 139
78–79 119
80–81 121
82–83 113
84–85 88
86–87 87
88–89 75
90–91 69
92–93 57
94–95 46
96–97 38
98–99 34
100–101 36
102–103 27
104–105 37
106–107 18
108–109 31
110–111 19
112–113 16
114–115 12
116–117 20
118–119 15
120–121 5
122–123 20
124–125 8
126–127 5
128–129 7
130 3
131+ 98
Download as CSV

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