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Mrs. Sajeetha Thavareesan

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Mrs. Sajeetha Thavareesan
B.Sc (Hons) (EUSL), MPhil (UoJ)
Senior Lecturer (Gr. II) in Computer Science
Department of Computing
Faculty of Science

Telephone: +94 652240753
Email: sajeethas@esn.ac.lk

Biography

Full Name: Ms Sajeetha Thavareesan

Academic Position: Senior Lecturer (Gr-II) in Computer Science.

Academic Qualifications:

MPhil in Computer Science, University of Jaffna, Sri Lanka.

B.Sc (Hons) Special degree in Computer Science, Eastern University, Sri Lanka.

Links to Publications

Publications

2024

  1. Jindal, Nitesh, Prasanna Kumar Kumaresan, Rahul Ponnusamy, Sajeetha Thavareesan, Saranya Rajiakodi, and Bharathi Raja Chakravarthi. "MISTRA: Misogyny Detection through TextImage Fusion and Representation Analysis." Natural Language Processing Journal 7 (2024): 100073.
  2. Ponnusamy, Rahul, Kathiravan Pannerselvam, R. Saranya, Prasanna Kumar Kumaresan, Sajeetha Thavareesan, S. Bhuvaneswari, Anshid Ka, Susminu S. Kumar, Paul Buitelaar, and Bharathi Raja Chakravarthi. "From Laughter to Inequality: Annotated Dataset for Misogyny Detection in Tamil and Malayalam Memes." In Proceedings of the 2024 Joint International Conference on Computational Linguistics, Lan- guage Resources and Evaluation (LREC-COLING 2024), pp. 7480-7488. 2024.
  3. Ravikiran, Manikandan, Ratnavel Rajalakshmi, Bharathi Raja Chakravarthi, and Sajeetha Thavareesan. "Findings of the First Shared Task on Offensive Span Identification from Code-Mixed Kannada-English Comments." In Proceedings of the Fourth Workshop on Speech, Vision, and Language Technologies for Dravidian Languages, pp. 43-48. 2024.
  4. Pannerselvam, Kathiravan, Saranya Rajiakodi, Sajeetha Thavareesan, Sathiyaraj Thangasamy, and Kishore Ponnusamy. "SetFit: A Robust Approach for Offensive Content Detection in Tamil-English Code-Mixed Conversations Using Sentence Transfer Fine-tuning." In Proceedings of the Fourth Workshop on Speech, Vision, and Language Technologies for Dravidian Languages, pp. 35-42. 2024.
  5. Kumar, Lavanya Sambath, Asha Hegde, Bharathi Raja Chakravarthi, Hosahalli Shashirekha, Rajeswari Natarajan, Sajeetha Thavareesan, Ratnasingam Sakuntharaj, Thenmozhi Durairaj, Prasanna Kumar Kumaresan, and Charmathi Rajkumar. "Overview of Second Shared Task on Sentiment Analysis in Code-mixed Tamil and Tulu." In Proceedings of the Fourth Workshop on Speech, Vision, and Language Technologies for Dravidian Languages, pp. 62-70. 2024.

2023

  1. Ponnusamy, Rahul, Malliga Subramaniam, Sajeetha Thavareesan, and Ruba Priyadharshini. "Team- Tamil@ LT-EDI-RANLP2023: Automatic Detection of Hope Speech in Bulgarian Language using Embedding Techniques." LTEDI 2023 75, no. 514 (2023): 179.
  2. Ponnusamy, Rahul, S. Malliga, Sajeetha Thavareesan, Ruba Priyadharshini, and Bharathi Raja Chakravarthi. "VEL@ LT-EDI-2023: Automatic detection of hope speech in Bulgarian language using embedding techniques." In Proceedings of the Third Workshop on Language Technology for Equality, Diversity and Inclusion, pp. 179-184. 2023.
  3. Pannerselvam, Kathiravan, Saranya Rajiakodi, Rahul Ponnusamy, and Sajeetha Thavareesan. "CSS-CUTN@ DravidianLangTech: abusive comments detection in Tamil and Telugu." In Proceedings of the Third Workshop on Speech and Language Technologies for Dravidian Languages, pp. 306-312. 2023.

2022

  1. Sampath, Anbukkarasi, Thenmozhi Durairaj, Bharathi Raja Chakravarthi, Ruba Priyadharshini, Subalalitha Cn, Kogilavani Shanmugavadivel, Sajeetha Thavareesan et al. "Findings of the shared task on Emotion Analysis in Tamil." In Proceedings of the Second Workshop on Speech and Language Technologies for Dravidian Languages, pp. 279-285. 2022.
  2. Ravikiran, Manikandan, Bharathi Raja Chakravarthi, Anand Kumar Madasamy, Sangeetha Sivanesan, Ratnavel Rajalakshmi, Sajeetha Thavareesan, Rahul Ponnusamy, and Shankar Mahadevan. "Findings of the Shared Task on Offensive Span Identification from Code-Mixed Tamil-English Comments." arXiv preprint arXiv:2205.06118 (2022).

2021

  1. Hande, Adeep, Karthik Puranik, Konthala Yasaswini, Ruba Priyadharshini, Sajeetha Thavareesan, Anbukkarasi Sampath, Kogilavani Shanmugavadivel, Durairaj Thenmozhi, and Bharathi Raja Chakravarthi. "Offensive Language Identification in Low-resourced Code-mixed Dravidian languages using Pseudo-labeling." arXiv preprint arXiv:2108.12177 (2021).
  2. Thavareesan, Sajeetha, and Sinnathamby Mahesan. "Sentiment Analysis in Tamil Texts using k-means and k-nearest neighbour." In 2021 10th International Conference on Information and Automation for Sustainability (ICIAfS), pp. 48-53. IEEE, 2021.
  3. Hande, Adeep, Siddhanth U. Hegde, Ruba Priyadharshini, Rahul Ponnusamy, Prasanna Kumar Kumaresan, Sajeetha Thavareesan, and Bharathi Raja Chakravarthi. "Benchmarking multi-task learning for sentiment analysis and offensive language identification in under-resourced dravidian languages." arXiv preprint arXiv:2108.03867 (2021).
  4. Hegde, Siddhanth U., Adeep Hande, Ruba Priyadharshini, Sajeetha Thavareesan, Ratnasingam Sakuntharaj, Sathiyaraj Thangasamy, B. Bharathi, and Bharathi Raja Chakravarthi. "Do Images really do the Talking? Analysing the significance of Images in Tamil Troll meme classification." arXiv preprint arXiv:2108.03886 (2021).
  5. Kumaresan, Prasanna Kumar, Ratnasingam Sakuntharaj, Sajeetha Thavareesan, Subalalitha Navaneethakrishnan, Anand Kumar Madasamy, Bharathi Raja Chakravarthi, and John P. McCrae. "Findings of Shared Task on Offensive Language Identification in Tamil and Malayalam." In Forum for Information Retrieval Evaluation, pp. 16-18. 2021.
  6. Chakravarthi, Bharathi Raja, Ruba Priyadharshini, Sajeetha Thavareesan, Dhivya Chinnappa, Durairaj Thenmozhi, Elizabeth Sherly, John P. McCrae et al. "Findings of the Sentiment Analysis of Dravidian Languages in Code-Mixed Text." arXiv preprint arXiv:2111.09811 (2021).
  7. Chakravarthi, Bharathi Raja, Dhivya Chinnappa, Ruba Priyadharshini, Anand Kumar Madasamy, Sangeetha Sivanesan, Subalalitha Chinnaudayar Navaneethakrishnan, Sajeetha Thavareesan, Dhanalakshmi Vadivel, Rahul Ponnusamy, and Prasanna Kumar Kumaresan. "Developing Successful Shared Tasks on Offensive Language Identification for Dravidian Languages." arXiv preprint arXiv:2111.03375 (2021).
  8. Chakravarthi, Bharathi Raja, Ruba Priyadharshini, Sajeetha Thavareesan, Dhivya Chinnappa, Durairaj Thenmozhi, Elizabeth Sherly, John P. McCrae et al. "Findings of the Sentiment Analysis of Dravidian Languages in Code-Mixed Text." arXiv preprint arXiv:2111.09811 (2021).
  9. Priyadharshini, Ruba, Bharathi Raja Chakravarthi, Sajeetha Thavareesan, Dhivya Chinnappa, Durairaj Thenmozhi, and Rahul Ponnusamy. "Overview of the DravidianCodeMix 2021 Shared Task on Sentiment Detection in Tamil, Malayalam, and Kannada." In Forum for Information Retrieval Evaluation, pp. 4-6. 2021.
  10. Ghanghor, Nikhil, Rahul Ponnusamy, Prasanna Kumar Kumaresan, Ruba Priyadharshini, Sajeetha Thavareesan, and Bharathi Raja Chakravarthi. “IIITK@ LT-EDI-EACL2021: Hope Speech Detection for Equality, Diversity, and Inclusion in Tamil, Malayalam and English.” In Proceedings of the First Workshop on Language Technology for Equality, Diversity and Inclusion, pp. 197-203. 2021.
  11. Karthik Puranik, Adeep Hande,Ruba Priyadharshini, Sajeetha Thavareesan, and Bharathi RajaChakravarthi. “IIITT@LT-EDI-EACL2021-Hope Speech Detection: There is always hope inTransformers.” In Proceedings of the First Workshop on Language Technology for Equality, Diversity and Inclusion, Online. Association for Computational Linguistics. 2021.
  12. Ghanghor, Nikhil, Parameswari Krishnamurthy, Sajeetha Thavareesan, Ruba Priyadharshini, and Bharathi Raja Chakravarthi. “IIITK@ DravidianLangTech-EACL2021: Offensive Language Identification and Meme Classification in Tamil, Malayalam and Kannada.” In Proceedings of the First Workshop on Speech and Language Technologies for Dravidian Languages, pp. 222-229. 2021.
  13. Hegde, Siddhanth U., Adeep Hande, Ruba Priyadharshini, Sajeetha Thavareesan, and Bharathi Raja Chakravarthi. “UVCE-IIITT@ DravidianLangTech-EACL2021: Tamil Troll Meme Classification: You need to Pay more Attention.” arXiv preprint arXiv:2104.09081 (2021).
  14. Yasaswini, Konthala, Karthik Puranik, Adeep Hande, Ruba Priyadharshini, Sajeetha Thavareesan, and Bharathi Raja Chakravarthi. “IIITT@ DravidianLangTech-EACL2021: Transfer Learning for Offensive Language Detection in Dravidian Languages.” In Proceedings of the First Workshop on Speech and Language Technologies for Dravidian Languages, pp. 187-194. 2021.
  15. Sivalingam, Disne, and Sajeetha Thavareesan. “OffTamil@ DravideanLangTech-EASL2021: Offensive Language Identification in Tamil Text.” In Proceedings of the First Workshop on Speech and Language Technologies for Dravidian Languages, pp. 346-351. 2021.
  16. Adeep Hande, Karthik Puranik, Ruba Priyadharshini, Sajeetha Thavareesan, Bharathi Raja Chakravarthi: “Evaluating Pretrained Transformer-based Models for COVID-19 Fake News Detection”. In Proceedings of 5th International Conference on Computing Methodologies and Communication Computing Methodologies 2021 (ICCMC 2021).

2020

  1. Shubhanker Banerjee, Arun Jaypal, and Sajeetha Thavareesan: “NUIG-Shubhanker@Dravidian-CodeMix- FIRE2020:Sentiment Analysis of Code-Mixed Dravidian text using XLNet.” In FIRE (Working Notes). CEUR, Hyderabad, India, 2020.
  2. Thavareesan Sajeetha, and Sinnathamby Mahesan.: “Word Embedding-Based Part of Speech Tagging in Tamil Texts.” In IEEE International Conference on Industrial and Information Systems (ICIIS), IIT Ropar, India, 26-28 November 2020.
  3. Thavareesan Sajeetha, and Sinnathamby Mahesan.: “Sentiment Lexicon Expansion using Word2vec and fastText for Sentiment Prediction in Tamil texts.” in 2020 Moratuwa Engineering Research Conference (MERCon), Sri Lanka, pp.272-276, IEEE,2020.
  4. Thavareesan Sajeetha, and Sinnathamby Mahesan.: An improved kNN algorithm using K-means and fastText to predict sentiments expressed in Tamil texts at RISTCON 2020, University of Ruhuna, p. 63, 22 January 2020.

2019

  1. Thavareesan Sajeetha, and Sinnathamby Mahesan.: "Sentiment Analysis in Tamil Texts: A Study on Machine Learning Techniques and Feature Representation." In 2019 14th Conference on Industrial and Information Systems (ICIIS), pp. 320-325. IEEE, 18-20 December 2019.
  2. Thavareesan Sajeetha, and Sinnathamby Mahesan.: Unsupervised Sentiment Analysis on Tamil texts, In SL-SWCS’19, University of Jaffna, Sri Lanka, December 2019.
  3. Thavareesan Sajeetha, and Sinnathamby Mahesan.: Sentiment Analysis on Tamil texts using K-means and K-Nearest Neighbor, In SL-SWCS’19, University of Jaffna, Sri Lanka, December 2019.
  4. Thavareesan Sajeetha, and Sinnathamby Mahesan.: “A Literature Review on Sentiment Analysis in Tamil Texts”, In Proceeding of 26th Annual Sessions of Jaffna Science Association (JSA), Jaffna, Sri Lanka, pp. 30–31, 2019.

2018

  1. Thavareesan Sajeetha, and Sinnathamby Mahesan.: “Review on sentiment analysis in Tamil texts”, In Proceeding of Journal of Science (JSc), Eastern University of Sri Lanka (EUSL), Sri Lanka, vol. 9 No. 2, pp. 1–19, 2018.
  2. Thavareesan Sajeetha.: “Review on Sentiment Lexicons of Indian Languages”, In Journal of Progress in Non-linear Dynamics and Chaos (PINDAC), vol. 6, no. 6, pp. 65–69, 2018.
  3. K. A. N. K. Karunarathna and Sajeetha Thavareesan.: “Readiness for Learning with Mobile Phones: A Case Study”, In Asian Journal of Education and Social Studies, vol. 2, no. 3, pp. 1–11, 2018.

2016

  1. Thavareesan Sajeetha.: “Android Based Patients Healthcare Management System”, In Journal of Information Systems & Information Technology (JISIT), vol. 1 no. 1, pp. 1–9, 2016.
  2. Thavareesan Sajeetha.: “Smartphone-Based Patient Health Care Management System”, In Diabetes Technology Meeting Abstracts, Journal of Diabetes Science and Technology, vol. 10, no. 2, pp. S102, March 2016.

Presentations

  1. Presented a paper titled Sentiment Analysis in Tamil Texts using k-means and k-nearest neighbour in 2021 10th International Conference on Information and Automation for Sustainability (ICIAfS), 10-11 August 2021.
  2. Presented a paper titled Word Embedding-Based Part of Speech Tagging in Tamil Texts in IEEE International Conference on Industrial and Information Systems (ICIIS), IIT Ropar, India, 26-28 November 2020.
  3. Presented a paper titled Sentiment Lexicon Expansion using Word2vec and fastText for Sentiment Prediction in Tamil texts at MerCon 2020, 28-29 July 2020. (Oral)
  4. Presented an abstract titled An improved kNN algorithm using K-means and fastText to predict sentiments expressed in Tamil texts at RISTCON 2020, University of Ruhuna, 22 January 2020. (Oral)
  5. Presented a paper titled Sentiment Analysis in Tamil Texts: A Study on Machine Learning Techniques and Feature Representation, In IEEE International Conference on Industrial and Information Systems (ICIIS), Peradeniya, Sri Lanka, 18-20 December 2019. (Oral)
  6. Presented a poster titled Unsupervised Sentiment Analysis on Tamil texts, In SLSWCS’19, University of Jaffna, Sri Lanka, December 2019. (Poster)
  7. Presented a poster titled Sentiment Analysis on Tamil texts using K-means and K-Nearest Neighbor, In SLSWCS’19, University of Jaffna, Sri Lanka, December 2019. (Poster)
  8. Presented an abstract titled A Literature Review on Sentiment Analysis in Tamil Texts in Jaffna Science Association, Jaffna, Sri Lanka, August 2019. (Oral)
  9. Presented the ongoing work at the Symposium on Symposium on National Languages Processing (SNLP) held on 22nd & 23rd March 2019 at the University of Moratuwa. (Oral)

Research Interest

  • Natural Language Processing 
  • Machine Learning
  • Android Software Development

Teaching

  1. Introduction to programme design and programming
  2. Object oriented Programming
  3. Computing Mathematics
  4. Rapid Application Development
  5. Introduction to Computer Graphics
  6. Theory of Computation

Awards

  • "Kanapathipillai Karunairajah" memorial award for the Best Research conducted by the Final Year students of 2006/ 2007

Positions Held

  1. Faculty student Counsellor in 2023
  2. Library committee - Representative of Faculty of Science
  3. Internal member  / CEDEC
  4. Coordinator for Enhancement (EN) courses and English (ENG) course
  5. Coordinator for Basic Tamil and Basic Sinhala courses
  6. Organizer: Fourth Workshop on Speech, Vision, and Language Technologies for Dravidian Languages (DravidianLangTech-2024)  at EACL 2024.    
  7. Organizer: Third Workshop on Speech and Language Technologies for Dravidian Languages.
  8. Reviewer: The 10th Ruhuna International Science and Technology Conference, RISTCON 2023.
  9. Faculty Board Member (From June 2016 to May 2018), (March 2022 to present).
  10. 2020 – present: Senior Lecturer (Gr.II) in Computer Science, Department of Computing, Faculty of Science, Eastern University. Sri Lanka.
  11. Guest Editor: Special Issue on Speech and Language Technologies for Dravidian Languages, ELSEVIER. (https://www.journals.elsevier.com/computer-speech-and-language/call-for-papers/special-issue-on-speech-and-language-technologies-for-dravid )
  12. Organizing committee member of DravidianCodeMix FIRE 2021 competition. ( https://competitions.codalab.org/competitions/30642 )
  13. Organizing committee member of Dravidian-CodeMix - HASOC 2021: Offensive Language Identification for Dravidian Languages in Code-Mixed Text. ( https://dravidian-codemix.github.io/hasoc2021/index.html )
  14. Technical program committee member, reviewer, and handling workshops' publicity across social media platforms of First Workshop on Language Technology for Equality, Diversity, Inclusion - EACL 2021 and First Workshop on Speech and Language Technologies for Dravidian Languages EACL-2021. ( https://dravidianlangtech.github.io/2021/index.html )
  15. 2014 – 2020 Lecturer (Prob.) in Computer Science.
  16. 2013 – 2014 Visiting Lecturer in Computer Science/ Faculty of Sciences, Eastern University, Sri Lanka
  17. 2013 – 2014 Assistant Librarian/ Faculty of Health Care Sciences, Eastern University, Sri Lanka
  18. 2013 – 2013 Assistant Lecturer (On Contract)/ Department of Mathematics, Faculty of Science, Eastern University, Sri Lanka
  19. 2012 – 2013 Demonstrator (On Contract)/ Department of Mathematics, Faculty of Science, Eastern University, Sri Lanka
Document(s)
cv.pdf
Last Updated
01-Aug-2024