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Faculty of Technological Studies: Recent submissions

  • Extraction of Sentiments in Tamil Sentences Using Deep Learning 
    Loganathan, H.; Sakuntharaj, R. (nstitute of Electrical and Electronics Engineers, 2022-09-01)
    Sentiment analysis is the process of extracting information from the given text in which the text consists of various sensations such as happiness, perturbation, pride, worry, and so on about various functions, human beings, ...
  • Detecting and Correcting Contextual Mistakes in Sentences Using Part of Speech Tags 
    Sakuntharaj, R. (Asian Journal of Research in Computer Science, 2023-03-04)
    A grammar checker is a tool to check each sentence in a text to see whether it conforms to the grammar. In case it finds a structure that conflicts with the conformity to the grammar, it would give suggestions for alternatives. ...
  • Overview of Second Shared Task on Sentiment Analysis in Code-mixed Tamil and Tulu 
    Sambath Kumar, L.; Hegde, A.; Chakravarthi, B.R.; Shashirekha, H.; Natarajan, R.; Thavareesan, S.; Sakuntharaj, R.; Durairaj, T.; Kumaresan, P.K.; Rajkumar, C. (Fourth Workshop on Speech, Vision, and Language Technologies for Dravidian Languages, 2024-03-22)
    Sentiment Analysis (SA) in Dravidian codemixed text is a hot research area right now. In this regard, the “Second Shared Task on SA in Code-mixed Tamil and Tulu” at Dravidian- LangTech (EACL-2024) is organized. Two tasks ...
  • Deep Learning Model for Tamil Part-of-Speech Tagging 
    Visuwalingam, H.; Sakuntharaj, R.; Alawatugoda, J.; Ragel, R. (Oxford University Press on behalf of The British Computer Society, 2024-03-15)
    Part-of-Speech (POS) tagging is one of the popular Natural Language Processing (NLP) tasks. It is also considered to be a preliminary task for other NLP applications such as speech recognition, machine translation, and ...
  • Predicting Financial Time Series Through Deep Learning Techniques 
    Dharmasena, K.P.C.M.; Sakuntharaj, R. (Eastern University, Sri Lanka and Sri Sathya Sai University for Human Excellence, India., 2025-01-03)
    Accurate price forecasting is a crucial focus for investors, market traders, and researchers in both academic and industrial contexts. Financial time series forecasting is inherently challenging due to its chaotic and ...
  • Do images really do the talking? Analyzing the significance of images in tamil troll meme classification 
    Hegde, S.U.; Hande, A.; Priyadharshini, R.; Thavareesan, S.; Sakuntharaj, R.; Thangasamy, S.; Bharathi, B.; Chakravarthi, B.R. (Springer International Publishing, 2025-03-01)
    A meme is a part of media created to share an opinion or emotion across the internet. Due to their popularity, memes have become the new form of communication on social media. However, they are used in harmful ways such ...
  • Overview of the Shared Task on Sentiment Analysis in Tamil and Tulu 
    Durairaj, T.; Chakravarthi, B.R.; Hegde, A.; Shashirekha, H.L.; Natarajan, R.; Thavareesan, S.; Sakuntharaj, R.; Krishnakumari, K.; Rajkumar, C.; Shetty, P.; Kumar, H.S. (Association for Computational Linguistics, 2025-05-03)
    Sentiment analysis is an essential task for interpreting subjective opinions and emotions in textual data, with significant implications across commercial and societal applications. This paper provides an overview of the ...
  • Overview on Political Multiclass Sentiment Analysis of Tamil X (Twitter) Comments: DravidianLangTech@NAACL 2025 
    Chakravarthi, B.R.; Rajiakodi, S.; Durairaj, T.; Thangasamy, S.; Sakuntharaj, P.; Kumaresan, P.K.; Ponnusamy, K.K.; Karunanidhi, A.P. (Association for Computational Linguistics, 2025-05-03)
    Political multiclass detection is the task of identifying the predefined seven political classes. In this paper, we report an overview of the findings on the “Political Multiclass Sentiment Analysis of Tamil X(Twitter) ...
  • Explainable Hybrid CNN Swin-Transformer Network for Tuberculosis Diagnosis in Chest X-rays of Sri Lankan Patients 
    Tuvensha, J.; Logiraj, K.; Selvendra, S.; Nagulan, R. (Sabaragamuwa University of Srilanka, 2024-02-21)
    Tuberculosis remains a formidable global health challenge, requiring advanced and interpretable methodologies. Conventional diagnostic approaches for tuberculosis often suffer from outdated techniques and unnecessary ...
  • Classification of Alzheimer’s Disease Stages using Weighted Brain Connectivity based Graph Convolutional Neural Network 
    Sounthararajah, J.; Kumaralingam, L.; Jegatheeswaran, T.; Srivishagan, S.; Thanikasalam, K.; Ratnarajah, N. (IEEE Xplore, 2025-04-18)
    Alzheimer’s disease (AD) is a progressive neurodegenerative disorder that manifests in distinct stages, including cognitively normal (CN), mild cognitive impairment (MCI), and severe AD. An early and precise classification ...
  • Revisiting the steganography techniques with a novel region-based separation approach 
    George, R.; Thangathurai, K.; Lojenaa, N. (Springer Nature, 2024-02-06)
    Cryptography and steganography are employed to secure digital data transfers. We introduced an efficient region-based steganography pipeline to enhance security by concealing confidential information within an image. Our ...
  • Two's Complement: Monitoring Software Control Flow Using Both Power and Electromagnetic Side Channels 
    Amar, M.; Lojenaa, N.; Sayakkara, A.; Oren, Y. (IEEE, 2024-11-06)
    Embedded devices leak information about their inner activity through power and EM side channels. A defender who measures this leakage can thus use it to monitor the device and ensure its control-flow integrity. Previous ...
  • Crossed-IoT Device Portability of Electromagnetic Side Channel Analysis: Challenges and Dataset 
    Yasarathna, T.L.; Lojenaa, N.; Barcque, S.; Sayakkara, A.; Le-Khac, N.A. (World Scientific Publishing Company, 2024-02-23)
    Internet of Things (IoT) refers to the network of interconnected physical devices, vehicles, home appliances, and other items embedded with sensors, software, and connectivity, enabling them to collect and exchange data. ...
  • Usability and accessibility analysis of selected government websites in Sri Lanka 
    Gopinath, S.; Senthooran, V.; Lojenaa, N.; Kartheeswaran, T. (IEEE, 2016-07-25)
    The websites usability and accessibility standards make more convenient to the internet users. The most of exists websites are failed to follow these standards. Hence, in this research study, we analyze the usability and ...
  • Waves of Knowledge: A Comparative Study of Electromagnetic and Power Side-Channel Monitoring in Embedded Systems 
    Lojenaa, N.; Amar, M.; Oren, Y.; Sayakkara, A.P. (Springer, 2024-02-05)
    In today’s interconnected world, Programmable Logic Controller (PLC) devices play a crucial role in controlling and automating critical processes across various sectors. This increased connectivity, however, also brings ...
  • Ensuring cross-device portability of electromagnetic side-channel analysis for digital forensics 
    Lojenaa, N.; Scanlon, M.; Le-Khac, N.A.; De Zoysa, K.; Sayakkara, A.P. (Elsevier, 2024-03-15)
    Investigation on smart devices has become an essential subdomain in digital forensics. The inherent diversity and complexity of smart devices pose a challenge to the extraction of evidence without physically tampering with ...
  • Classification of Sri Lankan Skin Diseases Using Ensemble Deep Learning Models 
    Thapalingasivam, K.; Vinoharan, V.; Sivanesan, P. (IEEE, 2024-12-05)
    Skin disease detection is a critical component of dermatological healthcare, traditionally dependent on dermatologists’ expertise for accurate diagnosis. However, manual diagnosis can be time-consuming and prone to errors, ...
  • Sentiment Analysis of Code-Mixed Text: A Comprehensive Review 
    Perera, A.; Caldera, A. (JUCS, 2024-02-28)
    Sentiment Analysis is the task of identifying and extracting the opinion expressed in a text to determine the writer's perception of an entity. Due to globalization, people often mix two or more languages and use phonetic ...
  • Secure Authentication Mechanism for Resistance to Password Attacks 
    Senthooran, V.; Subangan, S. (IEEE, 2019-09-03)
    Authentication is a process that provides access control of any type of computing applications by inspecting the user’s identification with the database of authorized users. Passwords play the vital role in authentication ...
  • Investigation of the Effectiveness of Goal Programming in Project Management Activities 
    Senthooran, V.; Niroshi, P. (University of Colombo, 2024-01-25)
    The regulation of objectives that are inconsistent with the use of all related resources through the organization is the principal project management (PM) work. In present situations, the project manager is responsible for ...

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