Mr. Ratnasingam Sakuntharaj

Full Name: Ratnasingam Sakuntharaj

Official Address: Centre for Information and Communication Technology, Eastern University, Sri Lanka, Chenkalady.

Academic Position: Senior Lecturer in Computer Science

Date of Birth: 13.07.1984

Marital Status: Married

Telephone: 0094 65 2240166 (Office), +94(0)774499157

E-mail: sakuntharaj@esn.ac.lk / sakuntharaj@gmail.com

• Google Scholar
  https://scholar.google.com/citations?user=WIhrXgUAAAAJ&hl=en
• Scopus
  https://www.scopus.com/authid/detail.uri?authorId=57194767568
• Publons
  https://publons.com/researcher/4096587/ratnasingam-sakuntharaj/
• ResearchGate
  https://www.researchgate.net/profile/Sakuntharaj_Ratnasingam

1. Lavanya Sambath Kumar, Asha Hegde, Bharathi Raja Chakravarthi, Hosahalli Shashirekha, Rajeswari Natarajan, Sajeetha Thavareesan, Ratnasingam Sakuntharaj, Thenmozhi Durairaj, Prasanna Kumar Kumaresan, Charmathi Rajkumar, " 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.
2. Hemakasiny Visuwalingam, Ratnasingam Sakuntharaj, Janaka Alawatugoda, Roshan Ragel, " Deep Learning Model for Tamil Part-of-Speech Tagging," The Computer Journal, Oxford University Press, 2024.
3. Sakuntharaj , R. (2023). Detecting and Correcting Contextual Mistakes in Sentences Using Part of Speech Tags. Asian Journal of Research in Computer Science, 15(2), 25–31. https://doi.org/10.9734/ajrcos/2023/v15i2317
4. Aaron Samuel, Lavanya Sambath Kumar, Subalalitha Chinnaudayar Navaneethakrishnan and Ratnasingam Sakuntharaj, " A Sequential DNN for Sentiment Analysis of Dravidian Code-Mixed Language Comments on YouTube," Forum for Information Retrieval Evaluation (FIRE 2022), December 9-13, 2022, Kolkata, India
5. L. Hirushayini and R. Sakuntharaj, "Extraction Of Sentiments in Tamil Sentences Using Deep Learning," International Research Conference on SMART COMPUTING and SYSTEMS ENGINEERING  (SCSE),  September 2022.
6. Ratnasingam Sakuntharaj (2022). Suggestion Generation for Erroneous Words in Tamil Documents Using N-gram Technique. Asian Journal of Research in Computer Science, 13(3), 45-54. https://doi.org/10.9734/ajrcos/2022/v13i330317
7. H. Visuwalingam, R. Sakuntharaj and R. G. Ragel, "Part of Speech Tagging for Tamil Language Using Deep Learning," 2021 IEEE 16th International Conference on Industrial and Information Systems (ICIIS), 2021, pp. 157-161, doi: 10.1109/ICIIS53135.2021.9660738.
8. R. Sakuntharaj "Grammatical Error Detection and Correction in Tamil Sentences using Part of Speech Tags and Grammatical Rules," Asian Journal of Computer Science and Technology (Under Review).
9. Pawan Kalyan Jada, Duddukunta Sashidhar Reddy, Adeep Hande, Ruba  Priyadharshini, Ratnasingam Sakuntharaj and Bharathi Raja Chakravarthi, "IIITT at CASE 2021 Task 1: Leveraging Pretrained Language Models for Multilingual Protest Detection", Proceedings of the Workshop on Challenges and Applications of Automated Extraction of Socio-political Events from Text (CASE 2021), August 2021.
10. Siddhanth U Hegde, Adeep Hande, Ruba Priyadharshini, Sajeetha Thavareesan, Ratnasingam Sakuntharaj, Sathiyaraj Thangasamy and Bharathi, Bharathi Raja Chakravarthi, "Do Images really do the Talking? Analysing the significance of Images in Tamil Troll meme classification", arXiv, 2021.
11. Ratnasingam Sakuntharaj and Sinnathamby Mahesan, "Missing Word Detection and Correction Based on Context of Tamil Sentences Using N-Grams,  at the IEEE International Conference on Information and Automation for Sustainability (ICIAfS-2021), 11-13 August 2021.
12. Siddhanth U Hedge; Adeep Hande; Ruba Priyadharshini; Sajeetha Thavareesan; Ratnasingam Sakuntharaj; Sathiyaraj Thangasamy and Bharathi Raja Chakravarthi, "Analysing the significance of Images in Tamil Meme classification", Advances in Computational Intelligence, 2021 [under review].
13. R. Sakuntharaj and S. Mahesan, “ 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, January 2020.
14. R. Sakuntharaj and S. 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.
15. R. Sakuntharaj and S. 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.
16. R. Sakuntharaj and S. Mahesan, “Detecting and Correcting Grammatical Mistakes due to Subject-Verb Inconformity and Conflicts in Tense Aspects in Tamil Sentences,” for the 6h Ruhuna International Science and Technology Conference (RISTCON - 2019), University of Ruhuna, Matara [Under Review].
17. R. Sakuntharaj and S.Mahesan, "Detecting and correcting real-word errors in Tamil Sentences", in the proceeding of 5th Ruhuna International Science and Technology Conference (RISTCON-2018), February, 2018, p. 54.
18. R. Sakuntharaj and S.Mahesan, "Detecting and Correcting Real-Word Errors in Tamil Sentences", to the Ruhuna Journal of Science, 2018 [Accepted].
19. R. Sakuntharaj and S. Mahesan, “A Refined POS Tag Sequence Finder for Tamil Sentences,” at the IEEE International Conference on Information and Automation for Sustainability (ICIAfS-2018), to be held in Galadari Hotel, Colombo, December 2018 [Accepted].
20. R. Sakuntharaj and S. Mahesan, “Use of a Novel Hash-Table for Speeding-up Suggestions for Misspelt Tamil Words,” in 12th IEEE International Conference on Industrial and Information Systems (ICIIS), Dec 2017 pp. 1-5.
21. R. Sakuntharaj and S. Mahesan, “A Critical Review of Reported Works on Tamil Spell Checkers,” in Jaffna Science Association, vol. 23, no. 01, Jaffna, Sri Lanka, May 2016, p. 11.
22. R. Sakuntharaj and S. Mahesan, “A Novel Hybrid Approach to Detect and Correct Spelling in Tamil Text,” in 2016 IEEE International Conference on Information and Automation for Sustainability (ICIAfS), Dec 2016, pp. 1–6.
23. R. Sakuntharaj and S. Mahesan, “Use of N-gram Technique with a Hash Table to Generate Suggestions for Tamil Misspelt Words,” in Jaffna Science Association, vol. 24, no. 01, Jaffna, Sri Lanka, May 2017, p. 12.
24. Sakuntharaj, R. and Thabotharan, K.: “Implementing the Epidemic Routing Protocol for the Scalable Wireless Ad-hoc Network Simulations (SWANS)”, In Proceedings of the 18th Annual Sessions, Jaffna Science Association, Jaffna, pp. 18, 6 - 8 April, 2011.
25. Sakuntharaj, R “Empirical study of the Epidemic and Optimized Link State Routing (OLSR) Protocols for the Scalable Wireless Ad-Hoc Network Simulation (SWANS)”, In proceedings of the 4th International Conference, SEUSL, Oluvil, Sri Lanka, 2-3 August 2014.

• Data mining and Machine learning
• Natural Language Processing

Computer Science:

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

Information Technology:

• Introduction to Information Technology

1. Director - Centre for Information and Communication Technology, Eastern University, Sri Lanka from November 2020 to date.
2. Board of Director - Lanka Education And Research Network (LEARN), Information Technology Center, University of Peradeniya, Peradeniya, Sri Lanka from July 2021 to date.
3. Chairman - Web Committee, Eastern University, Sri Lanka from February 2022 to date.
4. Academic Coordinator, External Degree Programmes, Faculty of Science, Eastern University, Sri Lanka from May 2022 to date.
5. Coordinator, National Education Commission from September 2022 to date.
6. Member - Committee to Use Trainees for Repairing ICT Equipment, Eastern University, Sri Lanka April 2021 to date.
7. Chairman - Convocation Live Telecast Committee in March & October 2022.
8. Student Counselor - Faculty of Science, Eastern University, Sri Lanka from August 2020 to July 2021.
9.  Academic Sub-Warden - Men’s Hostel, Eastern University, Sri Lanka from July 2014 to June 2015.