Senior Lecturer(Grade I)
B.Sc. (Hons) (UoJ), M.Phil (UoJ)
sakuntharaj@gmail.com
+94(0)774499157
Research Interests:
Data mining and Machine learning
Natural Language Processing
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 Academic Positions
April 2018 – 3rd April 2025 Senior Lecturer Grade II in Computer Science – Centre for Information and Communication Technology, Eastern University, Sri Lanka.
January 2012 – April 2018 Lecturer in Computer Science – Centre for Information and Communication Technology, Eastern University, Sri Lanka.
November 2024 – 3rd April 2025 Visiting Lecturer – Faculty of Graduate Studies, Eastern University, Sri Lanka.
September 2023 – September 2024 Visiting Lecturer – Diploma in ICT Programme, Faculty of Science, Eastern University, Sri Lanka.
January 2024 – June 2024 Visiting Lecturer – Faculty of Agriculture, Eastern University, Sri Lanka.
January 2024 – April 2024 Visiting Lecturer – Department of Geography, Faculty of Arts and Culture, Eastern University, Sri Lanka.
June 2023 – October 2023 Visiting Lecturer – Department of Geography, Faculty of Arts and Culture, Eastern University, Sri Lanka.
November 2022 – March 2023 Visiting Lecturer – Department of Geography, Faculty of Arts and Culture, Eastern University, Sri Lanka.
September 2022 – April 2023 Visiting Lecturer – M.Ed Programme, Department of Education and Childcare, Faculty of Arts and Culture, Eastern University, Sri Lanka.
March 2015 – July 2015 Visiting Lecturer – Swami Vipulananda Institute of Aesthetic Studies, Eastern University, Sri Lanka.
January 2015 – March 2015 Visiting Lecturer – Swami Vipulananda Institute of Aesthetic Studies, Eastern University, Sri Lanka.
June 2014 – September 2014 Visiting Lecturer – Swami Vipulananda Institute of Aesthetic Studies, Eastern University, Sri Lanka.
November 2013 – February 2014 Visiting Lecturer – Swami Vipulananda Institute of Aesthetic Studies, Eastern University, Sri Lanka.
May 2012 – January 2013 Visiting Lecturer – Faculty of Arts & Culture, Eastern University, Sri Lanka.
November 2011 – December 2011 Instructor (On Contract) – Computer Unit, University of Jaffna, Sri Lanka.
October 2010 – October 2011 Assistant Lecturer (On Contract) – Department of Computer Science, University of Jaffna, Sri Lanka.
November 2009 – September 2010 Instructor (On Contract) – Department of Computer Science, University of Jaffna, Sri Lanka.
RESOURCE PERSONS
Member – Digitalization Task Force, Eastern University, Sri Lanka. November 2024 – 03rd April 2025.
Board of Director – Lanka Education and ResearchNetwork (LEARN), Information Technology Center, University of Peradeniya, Sri Lanka. July 2021 – 3rd April 2025
Executive Committee Member – Lanka Education and ResearchNetwork (LEARN), Information Technology Center, University of Peradeniya, Peradeniya, Sri Lanka.August 2023 – 3rd April 2025.
Academic Coordinator – External Degrees and Extension Courses, Faculty of Science, Eastern University, Sri Lanka. June 2022 – 3rd April 2025.
Chairmen – Technical Evaluation Committee, Eastern University, Sri Lanka.November 2020 – 3rs April 2025.
Chairman – Live Telecast and other Online Activities, General Convocation 5-6 October 2024, Eastern University, Sri Lanka. October 2024
Chairman – Live Telecast and other Online Activities, General Convocation 7-8 October 2023, Eastern University, Sri Lanka. October 2023
Chairman – Live Telecast and other Online Activities, General Convocation 1-2 October 2022. Eastern University, Sri Lanka.
Chairman – Live Telecast and other Online Activities, General Convocation 12-13 March 2022, Eastern University, Sri Lanka.
Member – Conversant Committee to Perform the Computation of Marks for the Post of Vice Chancellor, Eastern University, Sri Lanka. October 2021
Student Counsellor – Faculty of Science, Eastern University, Sri Lanka. August 2020 – July 2021
Member – Technical Evaluation Committee, Eastern University, Sri Lanka. July 2020 – November 2020
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.
Academic Sub-Warden – Men’s Hostel, Eastern University, Sri Lanka. July 2014 – June 2015.
Tab Content
Publications
“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, 2024. Authors: K. P. C. M. Dharmasena and Ratnasingam Sakuntharaj
“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
“Deep Learning Model for Tamil Part-of-Speech Tagging”, TheComputer Journal, OxfordUniversity Press, 2024. Authors: Hemakasiny Visuwalingam, Ratnasingam Sakuntharaj, Janaka Alawatugoda, Roshan Ragel
“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
“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
“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
“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
“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
“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
“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
“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
“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
“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
“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
“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
“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
“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
“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
“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
“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
“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
“JavaScript”, Pirayoga Vingnana Sudar, Jaffna Science Association, Vol. 10, Issue 1, pp. 43-44,2017. Author: Ratnasingam Sakuntharaj
“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
“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
“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
“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:
Information Technology:
Introduction to Information Technology