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Highly Cited Researchers

Engineering & Technology / Computer Science Highly Cited Researchers 255 Scientists Citation in Sri Lanka Rankings - 2026

See how widely and consistently research is cited with real-time citation rankings.
Covering 2.6 million scientists, this list evaluates both total and last 5 years’ citation counts to measure scientific influence and highlight Highly Cited Researchers.
Built on transparency, it also addresses unethical practices and encourages reporting of violations. Compare results across 13 fields and 221 disciplines.

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Total 255 scientists , 63 institution , Updates every 3 days
* Total Citation Counts Rankings

Rankings

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5,524
World Rank
Sri Lanka
5
Country Rank
Informatics Institute of Technology Sri Lanka Logo
1
University
Ranking Based On Selection:
1
Dinith Imalsha Kasthuriarachchi
Informatics Institute of Technology Sri Lanka Colombo, Sri Lanka
Engineering & Technology / Computer Science
Computer Science and Artificial Intelligenc

Citation Metrics

  • Total
    81,110
  • Last 5 Years
    33,973
  • Last 5 Years / Total
    0.419
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* Total Citation Counts Rankings

Rankings

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490,884
World Rank
Sri Lanka
283
Country Rank
University of Peradeniya Logo
56
University
Ranking Based On Selection:
2
Roshan G Ragel|R. G. Ragel, Roshan Ragel, R Ragel
University of Peradeniya Peradeniya, Sri Lanka
Engineering & Technology / Computer Science
Accelerated Computing | Computational Biology | Embedded Systems | Internet of Things (IoT) | AI and M

Citation Metrics

  • Total
    2,019
  • Last 5 Years
    1,093
  • Last 5 Years / Total
    0.541
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* Total Citation Counts Rankings

Rankings

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506,418
World Rank
Sri Lanka
296
Country Rank
University of Kelaniya Logo
30
University
Ranking Based On Selection:
3
Thilini P Rupasinghe
University of Kelaniya Kelaniya, Sri Lanka
Engineering & Technology / Computer Science
Material Science | Nanomaterials | Environmental Chemistry | Innovative Teaching | Digital learnin

Citation Metrics

  • Total
    1,929
  • Last 5 Years
    786
  • Last 5 Years / Total
    0.407
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* Total Citation Counts Rankings

Rankings

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529,527
World Rank
Sri Lanka
315
Country Rank
Buddhist and Pali University of Sri Lanka Logo
1
University
Ranking Based On Selection:
4
Dinesh Gunathilaka
Buddhist and Pali University of Sri Lanka Homagama, Sri Lanka
Engineering & Technology / Computer Science
ICT | Networking | Information Security | WWW | Ethical hackin

Citation Metrics

  • Total
    1,803
  • Last 5 Years
    1,261
  • Last 5 Years / Total
    0.699
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* Total Citation Counts Rankings

Rankings

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533,046
World Rank
Sri Lanka
319
Country Rank
Sri Lanka Institute of Information Technology Logo
9
University
Ranking Based On Selection:
5
Chandimal Jayawardena
Sri Lanka Institute of Information Technology Malabe, Sri Lanka
Engineering & Technology / Computer Science
Intelligent Systems | Computer Networks | Cybersecurity | Robotic

Citation Metrics

  • Total
    1,785
  • Last 5 Years
    1,056
  • Last 5 Years / Total
    0.592
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* Total Citation Counts Rankings

Rankings

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551,265
World Rank
Sri Lanka
338
Country Rank
University of Moratuwa Logo
21
University
Ranking Based On Selection:
6
Ranga Rodrigo
University of Moratuwa Moratuwa, Sri Lanka
Engineering & Technology / Computer Science
Computer Visio

Citation Metrics

  • Total
    1,693
  • Last 5 Years
    1,319
  • Last 5 Years / Total
    0.779
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* Total Citation Counts Rankings

Rankings

flag
575,256
World Rank
Sri Lanka
364
Country Rank
University of Moratuwa Logo
23
University
Ranking Based On Selection:
7
Nisansa de Silva
University of Moratuwa Moratuwa, Sri Lanka
Engineering & Technology / Computer Science
Natural Language Processing | Artificial Intelligence | Machine Learnin

Citation Metrics

  • Total
    1,582
  • Last 5 Years
    1,334
  • Last 5 Years / Total
    0.843
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* Total Citation Counts Rankings

Rankings

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602,001
World Rank
Sri Lanka
389
Country Rank
University of Colombo Logo
65
University
Ranking Based On Selection:
8
Kasun De Zoysa
University of Colombo Colombo, Sri Lanka
Engineering & Technology / Computer Science
Information Security | Cryptography | Digital Forensic | ICT4D | 5

Citation Metrics

  • Total
    1,467
  • Last 5 Years
    1,070
  • Last 5 Years / Total
    0.729
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* Total Citation Counts Rankings

Rankings

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608,756
World Rank
Sri Lanka
397
Country Rank
University of Moratuwa Logo
26
University
Ranking Based On Selection:
9
Jcphgamage|J C P H Gamage, Gamage J, Gamage K
University of Moratuwa Moratuwa, Sri Lanka
Engineering & Technology / Computer Science
Waste based Construction Materials | 3D Concrete Printing | FRP Composites | Machine Learning | Fir

Citation Metrics

  • Total
    1,440
  • Last 5 Years
    1,025
  • Last 5 Years / Total
    0.712
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* Total Citation Counts Rankings

Rankings

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611,861
World Rank
Sri Lanka
400
Country Rank
University of Colombo Logo
68
University
Ranking Based On Selection:
10
Ruvan Weerasinghe
University of Colombo Colombo, Sri Lanka
Engineering & Technology / Computer Science
Computational Linguistics | Machine Translation | Machine Learning | Intelligent System

Citation Metrics

  • Total
    1,428
  • Last 5 Years
    872
  • Last 5 Years / Total
    0.611
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* Total Citation Counts Rankings

Rankings

flag
652,408
World Rank
Sri Lanka
446
Country Rank
University of Peradeniya Logo
90
University
Ranking Based On Selection:
11
Imesh Udara Ekanayake|I.U. Ekanayake, Imesh Ekanayake
University of Peradeniya Peradeniya, Sri Lanka
Engineering & Technology / Computer Science
Applied Machine Learning | AI Fairness | AI Privacy | Explainable A

Citation Metrics

  • Total
    1,276
  • Last 5 Years
    1,274
  • Last 5 Years / Total
    0.998
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* Total Citation Counts Rankings

Rankings

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656,953
World Rank
Sri Lanka
452
Country Rank
Nagananda International Institute for Buddhist Studies Logo
1
University
Ranking Based On Selection:
12
Rangamini Werawatta
Nagananda International Institute for Buddhist Studies Colombo, Sri Lanka
Engineering & Technology / Computer Science
information technology | information/cyber security | social media | technology management | informatic

Citation Metrics

  • Total
    1,261
  • Last 5 Years
    432
  • Last 5 Years / Total
    0.343
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* Total Citation Counts Rankings

Rankings

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678,359
World Rank
Sri Lanka
475
Country Rank
University of Moratuwa Logo
34
University
Ranking Based On Selection:
13
Mohamed Fazil Mohamed Firdhous
University of Moratuwa Moratuwa, Sri Lanka
Engineering & Technology / Computer Science
Blockchain | Cloud/Fog/Grid Computing | IoT | SDN | IC

Citation Metrics

  • Total
    1,189
  • Last 5 Years
    652
  • Last 5 Years / Total
    0.548
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* Total Citation Counts Rankings

Rankings

flag
701,121
World Rank
Sri Lanka
515
Country Rank
University of Colombo Logo
86
University
Ranking Based On Selection:
14
Chamath Keppitiyagama
University of Colombo Colombo, Sri Lanka
Engineering & Technology / Computer Science
Distributed Systems | Computer Networks | Sensor Network

Citation Metrics

  • Total
    1,118
  • Last 5 Years
    562
  • Last 5 Years / Total
    0.503
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* Total Citation Counts Rankings

Rankings

flag
703,775
World Rank
Sri Lanka
518
Country Rank
University of Peradeniya Logo
108
University
Ranking Based On Selection:
15
Saluka Ranasinghe Kodituwakku
University of Peradeniya Peradeniya, Sri Lanka
Engineering & Technology / Computer Science
Computer programming | Database Systems | Software Engineering | Image Processing | Distributed System

Citation Metrics

  • Total
    1,110
  • Last 5 Years
    424
  • Last 5 Years / Total
    0.382
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* Total Citation Counts Rankings

Rankings

flag
709,391
World Rank
Sri Lanka
530
Country Rank
University of Colombo Logo
87
University
Ranking Based On Selection:
16
Gihan N Wikramanayake
University of Colombo Colombo, Sri Lanka
Engineering & Technology / Computer Science
Database Technology | e-Learning | Cloud Computing | Green IT | Healt

Citation Metrics

  • Total
    1,093
  • Last 5 Years
    428
  • Last 5 Years / Total
    0.392
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* Total Citation Counts Rankings

Rankings

flag
722,959
World Rank
Sri Lanka
549
Country Rank
Sabaragamuwa University Logo
15
University
Ranking Based On Selection:
17
Btg Samantha Kumara
Sabaragamuwa University Sendai, Sri Lanka
Engineering & Technology / Computer Science
Web services and composition | Web data mining | Big Data | Image Processin

Citation Metrics

  • Total
    1,053
  • Last 5 Years
    790
  • Last 5 Years / Total
    0.750
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* Total Citation Counts Rankings

Rankings

flag
752,176
World Rank
Sri Lanka
591
Country Rank
University of Moratuwa Logo
44
University
Ranking Based On Selection:
18
Rohan Munasinghe
University of Moratuwa Moratuwa, Sri Lanka
Engineering & Technology / Computer Science
Robotics | Control Theory | UAVs | Smart Agriculture | Fetal Monitorin

Citation Metrics

  • Total
    973
  • Last 5 Years
    389
  • Last 5 Years / Total
    0.400
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* Total Citation Counts Rankings

Rankings

flag
759,992
World Rank
Sri Lanka
604
Country Rank
University of Jaffna Logo
15
University
Ranking Based On Selection:
19
Ahilan Kanagasundaram
University of Jaffna Jaffna, Sri Lanka
Engineering & Technology / Computer Science
AI | Machine Learning | Deep Learnin

Citation Metrics

  • Total
    953
  • Last 5 Years
    367
  • Last 5 Years / Total
    0.385
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* Total Citation Counts Rankings

Rankings

flag
776,310
World Rank
Sri Lanka
624
Country Rank
University of Peradeniya Logo
127
University
Ranking Based On Selection:
20
Janaka Wijayakulasooriya
University of Peradeniya Peradeniya, Sri Lanka
Engineering & Technology / Computer Science
Signal processing | Pattern Recognition and Machine Intelligence | Classificatio

Citation Metrics

  • Total
    911
  • Last 5 Years
    492
  • Last 5 Years / Total
    0.540
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* Total Citation Counts Rankings

Rankings

flag
786,773
World Rank
Sri Lanka
643
Country Rank
Sri Lanka Technological Campus Logo
3
University
Ranking Based On Selection:
21
Hmkkmb Herath
Sri Lanka Technological Campus Padukka, Sri Lanka
Engineering & Technology / Computer Science
Artificial Intelligence | Biomedical Engineering | Human-Computer Interaction | Robot Vision | Robotic

Citation Metrics

  • Total
    885
  • Last 5 Years
    880
  • Last 5 Years / Total
    0.994
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* Total Citation Counts Rankings

Rankings

flag
800,390
World Rank
Sri Lanka
666
Country Rank
University of Kelaniya Logo
53
University
Ranking Based On Selection:
22
Hesiri D Weerasinghe
University of Kelaniya Kelaniya, Sri Lanka
Engineering & Technology / Computer Science
Network Security | MANET/WSN | Blockchain | IoT Security | VANE

Citation Metrics

  • Total
    853
  • Last 5 Years
    461
  • Last 5 Years / Total
    0.540
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* Total Citation Counts Rankings

Rankings

flag
802,701
World Rank
Sri Lanka
669
Country Rank
Sri Lanka Technological Campus Logo
4
University
Ranking Based On Selection:
23
Slp Yasakethu
Sri Lanka Technological Campus Padukka, Sri Lanka
Engineering & Technology / Computer Science
Quality of Experience | Video Quality | Video Coding | 3D Video | Cyber Securit

Citation Metrics

  • Total
    848
  • Last 5 Years
    364
  • Last 5 Years / Total
    0.429
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* Total Citation Counts Rankings

Rankings

flag
816,165
World Rank
Sri Lanka
686
Country Rank
University of Jaffna Logo
18
University
Ranking Based On Selection:
24
Siyamalan Manivannan
University of Jaffna Jaffna, Sri Lanka
Engineering & Technology / Computer Science
Medical Image Analysis | Machine Learning | Deep Learning | Computer Visio

Citation Metrics

  • Total
    817
  • Last 5 Years
    536
  • Last 5 Years / Total
    0.656
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* Total Citation Counts Rankings

Rankings

flag
818,998
World Rank
Sri Lanka
692
Country Rank
University of Colombo Logo
110
University
Ranking Based On Selection:
25
Ndkodikara
University of Colombo Colombo, Sri Lanka
Engineering & Technology / Computer Science
Computer Vision | Image Procesing | Simulatio

Citation Metrics

  • Total
    811
  • Last 5 Years
    404
  • Last 5 Years / Total
    0.498
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