Dr. S.Mahesan

Dr. S.Mahesan

Senior Lecturer

Faculty of Computing | Department of Information Technology.

Career Summary

  • 1982 – 1990 : Assistant Lecturer at Dept of Mathematics and Statistics, UoJ
  • 1991 – 1992 : Lecturer at Department of Computer Science, UoJ
  • 1992 – 1998 : Senior Lecturer Grade 2, 1998 – 2023 : Senior Lecturer Grade 1
  • 31-10-2023 : Retired as SL Grade1 at UoJ
  • Nov 2023 – to-date: Visiting Lecturer at UoJ (semester wise)

Academic Qualifications​

Academic Qualifications
  • Ph.D.(Wales)
  • M.Sc.(Cardiff)
  • B.Sc. [Hons] (Jaffna)
Honors and Awards

Research Interests & Memberships

Interests
  • Knowledge Representation
  • Natural Language Processing
  • Automata Theory
  • Intelligent Systems
  • Information Systems
  • High Performance Computing
  • Numerical Computing
  • Image Processing and Bioinformatics
Memberships

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Ongoing Research

–

Publications

My Publications
  • Nawarathna, S.P.D.H. and Mahesan, S.: “Classification of Sinhala News Using Machine Learning Approaches”, In Postgraduate Institute of Science Research Congress 2023, p.45, October 2023.
  • Kalpana, C., Mahesan, S. and Bath, P.A. (2023). “Integrated Surveillance Model for Improving Completeness of Notifiable Disease Surveillance in Jaffna, Sri Lanka”, in Book “Current Innovations in Disease and Health Research”, edited by Erich Cosmi, Vol. 5, B.P. International India, United Kingdom. 10.9734/bpi/cidhr/v5/5927B.
  • Sarveswaran, K. and Mahesan, S.: Codification of Navalar’s Tamil Grammar. In Proceedings of the first International Conference on Social Sciences and Languages (ICSSL 2023), pp. 291-295, January 2.
  • Thavareesan. S., and Mahesan. S.: “Sentiment analysis in Tamil Texts using K-means and k-Nearest neighbour”, In proceedings of the 10th IEEE International Conference on Information and Automation for Sustainability (ICIAfS), Negombo, Sri Lanka, pp. 48-53, August 2021. doi: 10.1109/ICIAfS52090.2021.9605839.
  • Sakuntharaj, R. and Mahesan, S.: “Missing Word Detection and Correction Based on Context of Tamil Sentences Using N-Grams”, In proceedings of the 10th IEEE International Conference on Information and Automation for Sustainability (ICIAfS), Negombo, Sri Lanka, pp. 42-47, August 2021. doi: 10.1109/ICIAfS52090.2021.9606025.
  • Thavareesan, S. and Mahesan, S.: “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. [Accepted]
  • Thavareesan S. and Mahesan S.: “Sentiment Lexicon Expansion Using Word2vec and fastText for Sentiment Prediction in Tamil Texts” in IEEE 6th International Multidisciplinary Engineering Research Conference (MERCon), 28-30 July 2020. [Accepted]
  • Sakuntharaj R. and Mahesan S.: “Common Technique for Detecting and Correcting both non-word and real-word errors in Tamil Sentences”, Proceedings of the 7th Ruhuna International Science & Technology Conference (RISTCON-2020), University of Ruhuna, Matara, Sri Lanka, 22 January 2020. (ISSN 1391 – 8796), page-47
  • Thavareesan S. and Mahesan S.: “An Improved kNN algorithm using K-means and fastText to predict sentiment expressed in Tamil texts”, Proceedings of the 7th Ruhuna International Science & Technology Conference (RISTCON-2020), University of Ruhuna, Matara, Sri Lanka, 22 January 2020. (ISSN 1391 – 8796), page-63
  • Thavareesan S. and Mahesan, S.: “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. [Accepted]
  • Thavareesan S. and Mahesan, S.: “A Literature Review on Sentiment Analysis in Tamil Texts”, Proceedings of Jaffna Science Association, Vol.26(01), pp.30-31, August 2019
  • Sakuntharaj, R. and Mahesan, S.: “Novel POS Sub-tags for Detection and Correction of Grammatical Mistakes in Tamil Language”, Proceedings of Jaffna Science Association, Vol.26(01), pp.32-33, August 2019
  • Thavareesan, S. and Mahesan, S., 2018. Review on sentiment analysis in Tamil texts. Journal of Science, 9(2), pp.1–19.DOI
  • Sakthuntharaj R., Mahesan S, Detecting and Correcting grammatical mistakes due to subject-verb inconformity and conflicts in tense aspects in Tamil sentences Proceedings of the 6th Ruhuna International Science and Technology Conference, University of Ruhuna, Matara, ISSN:1391-8796, p.36, 2019
  • Sakuntharaj R. , Mahesan S.: Detecting and Correcting real-word errors in Tamil sentences, Ruhuna Journal of Science, Vol.9(2): eISSN 2536-8400, pp.150-159, December 2018. [Available here.]
  • Sakuntharaj R., S. and Mahsean, S.: “A Refined POS Tag Sequence Finder for Tamil Sentences”, In IEEE International Conference on Information and Automation for Sustainability (ICIAfS), 21-22 December, 2018. [Accepted]
  • Sakuntharaj. R. and Mahesan,S., Detecting and Correcting real-word errors in Tamil Sentences, In Proceedings of the 5th Ruhuna International Science and Technology Conference, p. 54, 15 Feb 2018.
  • Chandrasekar, K., Mahesan, S. and Bath, P.A.: “Impact of Epidemiological Publications among Health Professionals in Disease Surveillance – Experience from Jaffna, Sri Lanka”, International Journal of Multidisciplinary Studies (IJMS), Vol. 4(2), pp: 23-33, 2017.[Available here].
  • Sakuntharaj, R. and Mahesan, S.: “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), 15-16 December, 2017. [Accepted]
  • Sakuntharaj, R. and Mahesan, S.: “Use of N-gram Technique with a Hash Table to Generate Suggestions for Tamil Misspelt Words,” in Jaffna Science Association, vol. 24, no. 01, p.12, Jaffna, Sri Lanka, May 2017.
  • Sakuntharaj,R. and Mahesan, S. “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.
  • Sakuntharaj, R. and Mahesan, S. “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.
  • Kalpana, C. and Mahesan, S. “An assessment of completeness of notifiable disease reporting in Jaffna district: a qualitative study” (Abs.). Proceedings of Jaffna Science Association – 2016 (23rd Annual Sessions), 23(1): 17. Jaffna: JSA, 2016.
  • Kalyani, Y. and Mahesan, S. “Expert System for Guiding G.C.E A/L Students in Selecting Suitable University and Course after Completing G.C.E A/L” In Proceedings of the 33rd National Information Technology Conference (NITC), pp. 21-24, Colombo, Sri Lanka, 7-9 September 2015.
  • Mahesan S.: “A Context-Free Grammar for IUPAC names of Hydrocarbons for Developing a Syntactic Parser Using Swi-Prolog”, Proceedings of 2nd International Science & Technology Conference, University of Ruhuna, Matara, Sri Lanka, 22-23 January 2015, page 70
  • Chandrasekar, K., Mahesan, S. & Bath, Peter A. “Notifiable disease surveillance in Sri Lanka and the United Kingdom: a comparative study. Sri Lanka Journal of Bio-Medical Informatics.” 4(1): 14-22, 2013.[Available here]
  • Mayurathan, B., Ramanan, A., Mahesan, S., and Pinidiyaarachchi, U.A.J.: “Speeded-up and Compact Visual Codebook for Object Recognition”, International Journal of Image Processing (IJIP), Volume 7, Issue 1, 2013.
  • Mathialakan, T. and Mahesan, S.: “A Novel Approach to Simplifying Boolean Functions of any Number of Variables”, In International Journal of Computational Intelligence and Informatics (IJCII), September 2012 [accepted]
  • Suthakar, S., Mahesan, S.: “A New Speed Function for Level set Based Deformable Model for Tumour Segmentation in Medical Images”, International Journal of Computational Intelligence and Informatics (IJCII), Vol. 2, No. 2, 2012.
  • Suthakar, S. and Mahesan, S.: “A Level Set Based Deformable Model for Segmenting Tumors in Medical Images”, proceedings of the International Conference on Pattern Recognition, Informatics and Medical Engineering (PRIME-2012), pp. 280-285, 2012
  • Ganesharajah, B., Mahesan, S., and Pinidiyaarachchi, U.A.J.: “Robust Invariant Descriptors for Visual Object Recognition”, In Proceedings of the Sixth IEEE International Conference on Industrial and Information Systems (ICIIS’11), pp. 158-163, 16-19 August, 2011.
  • Ganesharajah, B., Mahesan, S., and Pinidiyaarachchi, U.A.J.: “Content Based Image Retrieval: An Overview of Structure of the Image and Image Database”, In Proceedings of the Sixth SLIIT Research Symposium, vol. 4, pp. 30-35, January 2011.
  • Ramanan, M., Jeyasugiththan, J., Mahesan, S., and Jeyakumaran, N.: “A Software Tool for Improving Co-60 Treatment Delivery in a Regional Cancer Centre”, In Proceedings of the 30th Annual Conference of Association of Medical Physicists of India (AMPICON-2009), pp. 62-63, November 22-25, 2009.
  • Mahesan, S.: “Perspective of Campus Area Network”, Proceedings of Jaffna Science Association, Jaffna, Sri Lanka, section. B, Vol.12, No.2, pp.7-33, 2005.
  • Sabesan, M. and Mahesan, S.: “Drawing Chemical Structures of Inorganic Compounds From Their Molecular Formulae Using Java”, Proceedings of the 11th Annual Session of the Jaffna Science Association (JSA), Jaffna, Sri Lanka, section. B, pp.28, 2003.
  • Sivaluxman, S. and Mahesan, S.: “An Electronic Book for Solid Geometry”, Proceedings of the 11th Annual Session of the Jaffna Science Association (JSA), Jaffna, Sri Lanka, section. B, pp.28, 2003.
  • Subashini, S. and Mahesan, S.: “A Prototype System for Grammar Checking of Tamil Sentences”, Proceedings of the 11th Annual Session of the Jaffna Science Association (JSA), Jaffna, Sri Lanka, section. B, pp.29, 2003.
  • Dhushyanthi, M., and Mahesan, S.: “Defining Grammar for Names and Drawing Two-dimensional Structures of Alcohols, Aldehydes, Ketones, and Organic Acids”, Proceedings of the 10th Annual Session of the Jaffna Science Association (JSA), Jaffna, Sri Lanka, section. B, pp.4, 2002.
  • Sivagnanasundram, J., and Mahesan, S.: “A Visual Geographical Information System for the District of Jaffna”, 9th Annual Session, Jaffna Science Association, Jaffna, 2000.
  • Thabotharan, K. and Mahesan, S.: “A Glossary Management System”, 8th Annual Session, Jaffna Science Association, Jaffna, April 1999.
  • Mahesan, S.: “Tamil Transliterator – Graphical User Interface to Microsoft Window-based Word Processors to Type in Tamil”, 8th Annual Session, Jaffna Science Association, Jaffna, April 1999.
  • Mahesan, S.: “Computer Education”, Article written for ‘Arivu-ootru’, Chavakachcheri Hindu College Science Magazine, 1999.
  • Mahesan, S.: “(KaNanihaLin thahaval thodarpaadal)”, Article written Tamil for ‘(Sankaetham)’ – Manipay Ladies’ College Science Magazine, 1997.
  • Mahesan, S.: “An Expert System for Nomenclature Generation for Organic Compounds”, PhD thesis, 1992.
  • Mahesan, S. and Martin, R. R.: “Using PROLOG to Deduce and Draw Two-Dimensional Chemical Structures from IUPAC Names”, In Proceedings of the 12th National Comp. Conference, Sri Lanka, pp.31-58, 1992.
  • Contribution to “Software Project for PC-Prolog 3.10 Advanced User’s Guide” (Chapter 6), Prolog Development Centre, Brondby, Denmark, 1988.

Founder and Chairman

Introducing the visionary entrepreneur, Mr. Indy Pathmanadan, affectionately known as Mr. Indy, a driving force in the Bath Furniture and Modular Kitchen industries. With over 30 years of expertise, Mr.Indy’s journey is one of extraordinary accomplishments and relentless pursuit of excellence.

A graduate in engineering from the prestigious University of Waterloo, Ontario, Mr. Indy’s entrepreneurial journey began as a Coop student in his Canadian garage. From humble beginnings, he transformed MagickWoods into a global powerhouse with operations spanning across North America and Asia. Today, MagickWoods stands tall with an impressive presence in renowned retailers such as Home Depot, Lowes, and Menards. Mr. Indy’s bold vision includes establishing a strong domestic presence in the USA, facilitating the transformation from China to Aurora. His innovative approach involves forging exclusive partnerships with retailers, creating bespoke brands tailored to their discerning customer base.

With an unwavering commitment to delivering unparalleled quality, Mr. Indy is a firm believer in the digital economy. His passion for enhancing the customer experience led him to pioneer the use of cuttingedge 3D and augmented reality technologies in kitchen design, revolutionising the industry. Demonstrating his forward-thinking mindset, Mr. Indy recently unveiled Magickhome.com, an exceptional ecommerce platform that offers direct-to-consumer digital sales channels, further expanding his reach and impact. Notably, he holds a patent for his groundbreaking invention, the Bath weighing scale product, exemplifying his dedication to innovation.

Mr. Indy’s exceptional contributions have earned him a plethora of accolades. From prestigious design awards for his innovative creations at Bath Furniture to receiving the esteemed Young Entrepreneur Award from the Canadian Chamber of Commerce, his outstanding achievements have been recognised on numerous occasions. Additionally, his remarkable export performance and job creation efforts have garnered accolades from the Government of India, solidifying his reputation as an industry trailblazer. Beyond his entrepreneurial endeavours, Mr. Indy actively engages in social causes close to his heart. As the co-founder of CanTYD, a non-profit organisation focused on youth development in Canada, he channels his passion for empowering the younger generation. Furthermore, he dedicated four years of his life to serving on the Southeast Asian Consultative Committee of the Metropolitan Toronto Police, striving to create a safer community for all.

As a proud parent of three children, Mr. Indy finds solace in the embrace of nature. Whether it’s the thrill of running, the serenity of hiking, the pursuit of adventure through hunting, or the freedom of cycling amidst the majestic Rocky Mountains, he cherishes the moments that rejuvenate his spirit. Mr. Indrakumar Pathmanadan, the epitome of entrepreneurial brilliance, continues to redefine industry standards through his remarkable achievements. Join us at our university as we draw inspiration from Mr.Indy’s journey, fostering a culture of innovation, excellence, and unwavering determination.

Founder and Chairman

Introducing the visionary entrepreneur, Mr. Indy Pathmanadan, affectionately known as Mr. Indy, a driving force in the Bath Furniture and Modular Kitchen industries. With over 30 years of expertise, Mr.Indy’s journey is one of extraordinary accomplishments and relentless pursuit of excellence.

A graduate in engineering from the prestigious University of Waterloo, Ontario, Mr. Indy’s entrepreneurial journey began as a Coop student in his Canadian garage. From humble beginnings, he transformed MagickWoods into a global powerhouse with operations spanning across North America and Asia. Today, MagickWoods stands tall with an impressive presence in renowned retailers such as Home Depot, Lowes, and Menards. Mr. Indy’s bold vision includes establishing a strong domestic presence in the USA, facilitating the transformation from China to Aurora. His innovative approach involves forging exclusive partnerships with retailers, creating bespoke brands tailored to their discerning customer base.

With an unwavering commitment to delivering unparalleled quality, Mr. Indy is a firm believer in the digital economy. His passion for enhancing the customer experience led him to pioneer the use of cuttingedge 3D and augmented reality technologies in kitchen design, revolutionising the industry. Demonstrating his forward-thinking mindset, Mr. Indy recently unveiled Magickhome.com, an exceptional ecommerce platform that offers direct-to-consumer digital sales channels, further expanding his reach and impact. Notably, he holds a patent for his groundbreaking invention, the Bath weighing scale product, exemplifying his dedication to innovation.

Mr. Indy’s exceptional contributions have earned him a plethora of accolades. From prestigious design awards for his innovative creations at Bath Furniture to receiving the esteemed Young Entrepreneur Award from the Canadian Chamber of Commerce, his outstanding achievements have been recognised on numerous occasions. Additionally, his remarkable export performance and job creation efforts have garnered accolades from the Government of India, solidifying his reputation as an industry trailblazer. Beyond his entrepreneurial endeavours, Mr. Indy actively engages in social causes close to his heart. As the co-founder of CanTYD, a non-profit organisation focused on youth development in Canada, he channels his passion for empowering the younger generation. Furthermore, he dedicated four years of his life to serving on the Southeast Asian Consultative Committee of the Metropolitan Toronto Police, striving to create a safer community for all.

As a proud parent of three children, Mr. Indy finds solace in the embrace of nature. Whether it’s the thrill of running, the serenity of hiking, the pursuit of adventure through hunting, or the freedom of cycling amidst the majestic Rocky Mountains, he cherishes the moments that rejuvenate his spirit. Mr. Indrakumar Pathmanadan, the epitome of entrepreneurial brilliance, continues to redefine industry standards through his remarkable achievements. Join us at our university as we draw inspiration from Mr.Indy’s journey, fostering a culture of innovation, excellence, and unwavering determination.