Profile Brief

Mr. Ratnasingam Sakuntharaj is working as a Senior Lecturer in ICT at the Department of Information and Communication Technology, University of Vavuniya and he has been more than 13 years’ experience in teaching in IT/ICT/CS domain. Sakuntharaj holds M.Phil from University of Jaffna, Sri Lanka and B. Sc. (Hons) from University of Jaffna, Sri Lanka. He is a researcher in computer science and Information Communication Technology determined to make a significant contribution in a vibrant international research community that invent solutions to real world problems.

Educational Qualifications

• B.Sc. [Hons] (Jaffna)
• M.Phil. (Jaffna)

Previous Acedamic Position

Senior Lecturer Grade I in Information and Communication Technology, Department of Information and Communication Technology, Faculty of Technological Studies, University of Vavuniya.

Previous Academic Positions

1. April 2018 – 3rd April 2025 Senior Lecturer Grade II in Computer Science – Centre for Information and Communication Technology, Eastern University, Sri Lanka.
2. January 2012 – April 2018 Lecturer in Computer Science – Centre for Information and Communication Technology, Eastern University, Sri Lanka.
3. November 2024 – 3rd April 2025 Visiting Lecturer – Faculty of Graduate Studies, Eastern University, Sri Lanka.
4. September 2023 – September 2024 Visiting Lecturer – Diploma in ICT Programme, Faculty of Science, Eastern University, Sri Lanka.
5. January 2024 – June 2024 Visiting Lecturer – Faculty of Agriculture, Eastern University, Sri Lanka.
6. January 2024 – April 2024 Visiting Lecturer – Department of Geography, Faculty of Arts and Culture, Eastern University, Sri Lanka.
7. June 2023 – October 2023 Visiting Lecturer – Department of Geography, Faculty of Arts and Culture, Eastern University, Sri Lanka.
8. November 2022 – March 2023 Visiting Lecturer – Department of Geography, Faculty of Arts and Culture, Eastern University, Sri Lanka.
9. September 2022 – April 2023 Visiting Lecturer – M.Ed Programme, Department of Education and Childcare, Faculty of Arts and Culture, Eastern University, Sri Lanka.
10. March 2015 – July 2015 Visiting Lecturer – Swami Vipulananda Institute of Aesthetic Studies, Eastern University, Sri Lanka.
11. January 2015 – March 2015 Visiting Lecturer – Swami Vipulananda Institute of Aesthetic Studies, Eastern University, Sri Lanka.
12. June 2014 – September 2014 Visiting Lecturer – Swami Vipulananda Institute of Aesthetic Studies, Eastern University, Sri Lanka.
13. November 2013 – February 2014 Visiting Lecturer – Swami Vipulananda Institute of Aesthetic Studies, Eastern University, Sri Lanka.
14. May 2012 – January 2013 Visiting Lecturer – Faculty of Arts & Culture, Eastern University, Sri Lanka.
15. November 2011 – December 2011 Instructor (On Contract) – Computer Unit, University of Jaffna, Sri Lanka.
16. October 2010 – October 2011 Assistant Lecturer (On Contract) – Department of Computer Science, University of Jaffna, Sri Lanka.
17. November 2009 – September 2010 Instructor (On Contract) – Department of Computer Science, University of Jaffna, Sri Lanka.

RESOURCE PERSONS

1. Effective Use of Microsoft Office Applications and Internet Staff Development Centre, Eastern University, Sri Lanka November 2024 – 3rd April 2025.
2. Induction Programme for Academic Staff Members 2022 (Certificate in Teaching and Related Initial Practices) Staff Development Centre, Eastern University, Sri Lanka November 2022.
3. Awareness Programme for Virtual Advance Reservation System for Research Equipment at EUSL Staff Development Centre, Eastern University, Sri Lanka September 2022.
4. Workshop on Student and Staff Database Management using MS Access Staff Development Centre, Eastern University, Sri Lanka March 2019.
5. Certificate Course in ICT Skills and Computer Hardware Eastern University, Sri Lanka July – December 2018.

DELIVERED TALKS

1. Title: “Real-Word Error Detection and Correction” Symposium on Natural Language Processing National Languages Processing Center, University of Moratuwa, Sri Lanka March 2019

2. Title: “Spell Checker for Tamil Language” Symposium on Natural Language Processing National Languages Processing Center, University of Moratuwa, Sri Lanka July 2017

EXTRA CURRICULAR ACTIVITIES

• Reviewer for Transactions on Asian and Low-Resource Language Information Processing 2025.
• Reviewer for 6th InternationalResearch Conference, TrincomaleeCampus, EasternUniversity Sri Lanka 2024.
• Reviewer for Journal of Language Resources and Evaluation, 2024.
• Member – Board of Studies, Faculty of Science, Eastern University, Sri Lanka from 2022 to 02.04.2025.
• Member -Information Technology Committee, Eastern University, Sri Lanka from 2019 to 02.04.2025.
• Member – Teachers Association, Eastern University, Sri Lanka from 2012 to 02.04.2025.
• Member – Senior Common Room, Eastern University, Sri Lanka from 2019 to 02.04.2025.
• Life Member – Jaffna Science Association, Sri Lanka 2011 to date.
• Executive Committee Member – Jaffna Science Association, Sri Lanka from 2016 to 2017.

ATTENDEDCONFERENCES,WORKSHOPS AND SEMINARS

• Attended young research forums – Eastern University, Sri Lanka January 2023 to 02.04.2025.
• Participated in the AP-GAINED Pilot Workshop on GenAI – LEARN January 2025.
• Attended Oxford English Dictionary (OED) Workshop September 2024.
• Attended Asia Pacific Advanced Network (APAN56) conference August 2023.
• Attended CVCD conference University of Visual and Performing Arts, Sri Lanka August 2023.
• Attended seminar on Books on Oxford Academic New Platform Eastern University, Sri Lanka May 2023.
• Attended International Conference (ICMR-2023) Eastern University, Sri Lanka January 2023.
• Attended Awareness Programme on Institution Review for Academic Staff Eastern University, Sri Lanka August 2022.
• Attended Annual Research Sessions of Faculties of Arts & Culture, Science and Technology Eastern University, Sri Lanka from January 2022 to 02.04.2025.
• Workshop on Building a Successful Research Career: Securing Research Grants and Opportunities Lanka Education and Research Network, Information Technology Center, University of Peradeniya, Peradeniya, Sri Lanka January 2022.
• 16th IEEE International Conference on Industrial and Information Systems (ICIIS) University of Peradeniya, Peradeniya, Sri Lanka December 2021.
• Workshop on ClarivateWeb of Science Eastern University, Sri Lanka December 2021.
• 10th IEEE International Conference on Information and Automation for Sustainability (ICIAfS2021) Sri Lanka Technological Campus, Sri Lanka August 2021.
• Digital Education Policy” Development Consultation Workshop Ministry of Education and ICTA Sri Lanka August 2021.
• LibraryWebinar Sessions with Oxford University Press Eastern University, Sri Lanka August 2021.
• SANOG37 (South Asian Network Operators Group) – LkNOG5 Conference South Asian Network Operators Group July 2021.
• Workshop on Using Tools to Prevent Plagiarism in Higher Education Eastern University, Sri Lanka July 2021.
  26th Annual Sessions of Jaffna Science Association University of Jaffna, Thirunelvely, Jaffna, Sri Lanka August 2020.
• 7th Ruhuna International Science and Technology Conference (RISTCON-2020) University of Ruhuna, Sri Lanka January 2020.
• 6th Ruhuna International Science and Technology Conference (RISTCON-2019) University of Ruhuna, Sri Lanka January 2019.
• Seminar on Facilitating Digital Conference Service to LEARN R & E Community Plant Genetic Resources Centre, Gannoruwa, Peradeniya, Sri Lanka July 2019.
• 9th IEEE International Conference on Information andAutomation for Sustainability (ICIAfS2018) Galadari Hotel, Colombo, Sri Lanka December 2018.
• 5th Ruhuna International Science and Technology Conference (RISTCON-2018) University of Ruhuna, Sri Lanka February 2018.
  Sri Lanka StudentWorkshop on Computer Science University of Jaffna, Jaffna, Sri Lanka December 2017.
• IEEE International Conference on Industrial and Information Systems (ICIIS2017) University of Peradeniya, Peradeniya, Sri Lanka December 2017.
• 24th Annual Sessions of Jaffna Science Association University of Jaffna, Thirunelvely, Jaffna, Sri Lanka May 2017.
• IEEE International Conference on Industrial and Information Systems (ICIAfS2016) Faculty of Engineering, University of Ruhuna, Sri Lanka December 2016.
• 23rd Annual Sessions of Jaffna Science Association University of Jaffna, Thirunelvely, Jaffna, Sri Lanka May 2016.
• Jaffna IT week conference University of Jaffna, Jaffna, Sri Lanka December 2014.
• 4th International Conference South Eastern University, Oluvil, Sri Lanka August 2014.
• Jaffna University International Research Conference (JUICE) Tilko Hotel, Jaffna, Sri Lanka July 2012.
• Sri Lanka StudentWorkshop on Computer Science University of Jaffna, Jaffna, Sri Lanka December 2011.
• 18th Annual Sessions of Jaffna Science Association University of Jaffna, Thirunelvely, Jaffna, Sri Lanka April 2011.
• ICIAfS post conference workshop University of Jaffna, Jaffna, Sri Lanka December 2010.
• FOSS (Free and Open Source Software) conference University of Jaffna, Jaffna, Sri Lanka February 2010.
• Web 2.0 Technology conference conducted by the University of Colombo students University of Jaffna, Jaffna, Sri Lanka March 2010.

Present Admin Role

1. Student Counsellor, Faculty of Technological Studies, University of Vavuniya
2. Academic Programme Coordinator, Certificate Programme, Faculty of Technological Studies, University of Vavuniya
3. Deputy Proctor –  Faculty of Technological Studies, University of Vavuniya.
4. Member – Technical Evaluation Committee, Lanka Education And Research Network (LEARN)
5. Coordinator – Faculty Quality Assurance Cell, Faculty of Technological Studies, University of Vavuniya
6. Member – Editorial Board of the Academic Publication, University of Vavuniya
7. Chairman – IT and Web Committee, Faculty of Technological Studies, University of Vavuniya
8. Chief Editor – Handbook and Newsletter Committee, Faculty of Technological Studies, University of Vavuniya
9. Member – Research Committee, Faculty of Technological Studies, University of Vavuniya
10. Member – Building Committee, Faculty of Technological Studies, University of Vavuniya
11. Chief Editor – Research Conference on Advances in Information and Communication Technology, Faculty of Technological Studies, University of Vavuniya

Previous admin role

1. Director – Centre for Information and Communication Technology, Eastern University, Sri Lanka. November 2020 – 02.04.2025
2. Member – Digitalization Task Force, Eastern University, Sri Lanka. November 2024 –  03rd  April 2025.
3. Board of Director – Lanka Education and ResearchNetwork (LEARN), Information Technology Center, University of Peradeniya, Sri Lanka. July 2021 – 3rd April 2025
4. Executive Committee Member – Lanka Education and ResearchNetwork (LEARN), Information Technology Center, University of Peradeniya, Peradeniya, Sri Lanka.August 2023 – 3rd April 2025.
5. Academic Coordinator – External Degrees and Extension Courses, Faculty of Science, Eastern University, Sri Lanka. June 2022 – 3rd April 2025.
6. Chairman – Technical Evaluation Committee, Eastern University, Sri Lanka.November 2020 – 3rd April 2025.
7. Chairman – Live Telecast and other Online Activities, General Convocation 5-6 October 2024, Eastern University, Sri Lanka. October 2024
8. Chairman – Live Telecast and other Online Activities, General Convocation 7-8 October 2023, Eastern University, Sri Lanka. October 2023
9. Chairman – Live Telecast and other Online Activities, General Convocation 1-2 October 2022. Eastern University, Sri Lanka.
10. Chairman – Live Telecast and other Online Activities, General Convocation 12-13 March 2022, Eastern University, Sri Lanka.
11. Member – Conversant Committee to Perform the Computation of Marks for the Post of Vice Chancellor, Eastern University, Sri Lanka. October 2021
12. Student Counsellor – Faculty of Science, Eastern University, Sri Lanka. August 2020 – July 2021
13. Member – Technical Evaluation Committee, Eastern University, Sri Lanka. July 2020 – November 2020
14. Member – CV Evaluation Committee for the Selection of Consultant to Design the Industrial Based Course (Optional Course) – Computer Science Curriculum for the ELTS-ELSE Faculty 3/11 of Science, Eastern University, Sri Lanka. December 2019.
15. Academic Sub-Warden – Men’s Hostel, Eastern University, Sri Lanka. July 2014 – June 2015.

Tab Content

Publications

1. Thenmozhi Durairaj, Bharathi Raja Chakravarthi, Asha Hegde, Hosahalli Lakshmaiah Shashirekha, Rajeswari Natarajan, Sajeetha Thavareesan, Ratnasingam Sakuntharaj, Krishnakumari K, Charmathi Rajkumar, Poorvi Shetty, and Harshitha S Kumar. 2025. Overview of the Shared Task on Sentiment Analysis in Tamil and Tulu. In Proceedings of the Fifth Workshop on Speech, Vision, and Language Technologies for Dravidian Languages, pages 732–738, Acoma, The Albuquerque Convention Center, Albuquerque, New Mexico. Association for Computational Linguistics.
2. Bharathi Raja Chakravarthi, Saranya Rajiakodi, Thenmozhi Durairaj, Sathiyaraj Thangasamy, Ratnasingam Sakuntharaj, Prasanna Kumar Kumaresan, Kishore Kumar Ponnusamy, Arunaggiri Pandian Karunanidhi, and Rohan R. 2025. Overview on Political Multiclass Sentiment Analysis of Tamil X (Twitter) Comments: DravidianLangTech@NAACL 2025. In Proceedings of the Fifth Workshop on Speech, Vision, and Language Technologies for Dravidian Languages, pages 746–753, Acoma, The Albuquerque Convention Center, Albuquerque, New Mexico. Association for Computational Linguistics.
3. Siddhanth U. Hegde, Adeep Hande, Ruba Priyadharshini, Sajeetha Thavareesan, Ratnasingam Sakuntharaj, Sathiyaraj Thangasamy, B. Bharathi & Bharathi Raja Chakravarthi, Do images really do the talking? Analyzing the significance of images in tamil troll meme classification. Advances in Computational Intelligence, Springer. 5, 1 (2025). https://doi.org/10.1007/s43674-025-00079-9.

4. “Predicting Financial Time Series Through Deep Learning”, Proceedings of the International Conference on Multidisciplinary Research (ICMR 2025), Eastern University, Sri Lanka and Sri Sathya Sai University for Human Excellence, India, 2025. Authors: K. P. C. M. Dharmasena and Ratnasingam Sakuntharaj

5. “Overview of Second Shared Task on Sentiment Analysis in Code-mixed Tamil and Tulu”, Proceedings of the Fourth Workshop on Speech, Vision, and Language Technologies for Dravidian Languages, 2024. Authors: Lavanya Sambath Kumar, Asha Hegde, Bharathi Raja Chakravarthi, Hosahalli Shashirekha, RajeswariNatarajan, Sajeetha Thavareesan, RatnasingamSakuntharaj, Thenmozhi Durairaj, Prasanna Kumar Kumaresan, Charmathi Rajkumar

6. “Deep Learning Model for Tamil Part-of-Speech Tagging”, TheComputer Journal, OxfordUniversity Press, 2024. Authors: Hemakasiny Visuwalingam, Ratnasingam Sakuntharaj, Janaka Alawatugoda, Roshan Ragel

7. “Detecting and Correcting Contextual Mistakes in Sentences Using Part of Speech Tags”, Asian Journal of Research in Computer Science, 25-31, April 2023. Author: Ratnasingam Sakuntharaj

8. “Extraction of Sentiments in Tamil Sentences Using Deep Learning”, in proceedings of International Research Conference on Smart Computing and Systems Engineering (SCSE 2022), 2022. Author: Hirushayini Loganathan & Ratnasingam Sakuntharaj

9. “Suggestion Generation for Erroneous Words in Tamil Documents Using N-gram Technique”, Asian Journal of Research in Computer Science, 45-54, May 2022. Author: Ratnasingam Sakuntharaj

10. “A Sequential DNN for Sentiment Analysis of Dravidian Code-Mixed Language Comments on YouTube”, in proceedings of the Forum for Information Retrieval Evaluation, December 2022. Authors: Aaron Samuel, Lavanya SambathKumar, Subalalitha ChinnaudayarNavaneethakrishnan & Ratnasingam Sakuntharaj

11. “Part of Speech Tagging for Tamil Language Using Deep Learning”, in proceedings of the 2021 IEEE 16th International Conference on Industrial and Information Systems (ICIIS), December 2021. Authors: Hemakasiny Visuwalingam, Ratnasingam Sakuntharaj & Roshan G. Ragel

12. “Findings of Shared Task on Offensive Language Identification in Tamil and Malayalam”, in Proceedings of the Forum for Information Retrieval Evaluation, December 2021. Authors: Prasanna Kumar Kumaresan, Ratnasingam Sakuntharaj, Sajeetha Thavareesan, Subalalitha Navaneethakrishnan, Anand Kumar Madasamy, Bharathi Raja Chakravarthi & John P McCrae

13. “Do Images really do the Talking? Analysing the significance of Images in Tamil Troll meme classification”, in proceedings of the arXiv preprint arXiv:2108.03886 (CoRR), August 2021. Authors: Siddhanth U Hegde, Adeep Hande, Ruba Priyadharshini, Sajeetha Thavareesan, Ratnasingam Sakuntharaj, Sathiyaraj Thangasamy, B Bharathi & Bharathi Raja Chakravarthi

14. “IIITT at CASE 2021 task 1: Leveraging pretrained language models for multilingual protest detection”, in Proceedings of the 4thWorkshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021), August 2021. Authors: Pawan Kalyan, Duddukunta Reddy,Adeep Hande, Ruba Priyadharshini, Ratnasingam Sakuntharaj & Bharathi Raja Chakravarthi

15. “Missing Word Detection and Correction Based on Context of Tamil Sentences Using N-Grams”, in proceedings of the 2021 IEEE International Conference on Information and Automation of Sustainability (ICIAfS), August 2021. Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

16. “Overview of the HASOC-DravidianCodeMix Shared Task on Offensive Language Detection in Tamil and Malayalam”, Forum for Information Retrieval Evaluation (FIRE 2021), December 2021. Authors: Bharathi Raja Chakravarthia & Prasanna Kumar Kumaresanb & Ratnasingam Sakuntharaj&AnandKumar Madasamy&Sajeetha Thavareesan&Premjithe&Sreelakshmie & Subalalitha Chinnaudayar Navaneethakrishnan & John P. McCraea & Thomas Mandl

17. “Common Technique for Detecting and Correcting Both Non-word and Real-word Errors in Tamil Sentences”, in proceedings of the 7th Ruhuna international science and technology conference,p. 47, 2020 Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

18. “Novel POS Sub-tags for Detection and Correction of Grammatical Mistakes in Tamil Language”, in proceedings of the 26th Annual sessions of JSA Vol. 26, No. 1, pp. 32 – 33, 2019. Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

19. “Detecting and Correcting Grammatical Mistakes due to Subject-Verb Inconformity and Conflicts in Tense Aspects in Tamil Sentences”, in proceedings of the 6th Ruhuna international science and technology conference, p. 36, 2019. Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

20. “A Refined POS Tag Sequence Finder for Tamil Sentences”, in proceedings of the 2018 IEEE International Conference on Information and Automation of Sustainability (ICIAfS), December 2018, pp. 1–6. Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

21. “Detecting and Correcting Real-Word Errors in Tamil Sentences”, Ruhuna Journal of Science Vol 9(2): 150-159, December 2018, eISSN: 2536-8400, DOI: http://doi.org/10.4038/rjs.v9i2.43. Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

22. “Detecting and Correcting Real-Word Errors in Tamil Sentences”, in proceedings of the 5th Ruhuna international science and technology conference, p. 54, 2018. Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

23. “Use of a Novel Hash-Table for Speeding-up Suggestions for Misspelt Tamil Words”, in proceedings of the 2017 International Conference on Industrial and Information Systems (ICIIS), December 2017, pp. 1–5. Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

24. “Use of N-gram Technique with a Hash Table to Generate Suggestions for Tamil Misspelt Words”, in proceedings of the 24th Annual sessions of JSA Vol. 24, No. 1, p. 12, 2017. Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

25. “JavaScript”, Pirayoga Vingnana Sudar, Jaffna Science Association, Vol. 10, Issue 1, pp. 43-44,2017. Author: Ratnasingam Sakuntharaj

26. “A Novel Hybrid Approach to Detect and Correct Spelling in Tamil Text”, in proceedings of the 2016 IEEE International Conference on Information and Automation of Sustainability (ICIAfS), December 2016, pp. 1–6. Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

27. “A Critical Review of ReportedWorks on Tamil Spell Checkers”, in proceedings of the 23rd Annual sessions of JSA Vol. 23, No. 1, p. 11, 2016. Authors: Ratnasingam Sakuntharaj & Sinnathamby Mahesan

28. “Empirical study of the epidemic and optimized link state routing protocols (OLSR) for the scalable wireless ad-hoc network simulations (SWANS)”, in proceedings of 4th International Conference in South Eastern University, pp. 1-5, 2014. Author: Ratnasingam Sakuntharaj

29. “Implementing the Epidemic Routing Protocol in the Jist/SWANS Simulator”, in proceedings of the 18th Annual sessions of JSA Vol. 18, No. 1, p. 18, 2011. Authors: Ratnasingam Sakuntharaj & Kathiravelu Thabotharan

Computer Science:

• Artificial Intelligence
• Database Management Systems
• Data Structure and Algorithm Design
• Internet Security

Information Technology:

• Introduction to Information Technology