Oswald. C
Assistant Professor
Department of Computer Science and Engineering
National Institute of Technology (NIT) Tiruchirappalli
Tiruchirappalli 620015. Tamil Nadu.


Official oswald [at] nitt [dot] edu +91 (432) 250
Personal oswald [dot] mecse [at] gmail [dot] com +91 -
Curriculum Vitae

Publication in Referred Journals


  • C. Oswald, Sona Elza Simon and Arnab Bhattacharya. SpotSpam: Intention Analysis Driven SMS Spam Detection using BERT Embeddings, ACM Transactions on the Web. https://dl.acm.org/doi/10.1145/3538491
  • Navansh Goel, Tejaswi Kumar and C. Oswald. A Novel and Efficient Multilayered Approach to CAPTCHA:Design, Performance and Usability Evaluation, International Journal of Computer Information Systems and Industrial Management Applications (Accepted)
  • C. Oswald and B. Sivaselvan. Smart Multimedia Compressor – Intelligent Algorithms for Text and Image Compression. The Computer Journal, Oxford Academic, 2021. https://doi.org/10.1093/comjnl/bxab173
  • Oswald, C.& Sivaselvan, B., (2018). Text and Image Compression based on Data Mining Perspective. Data Science Journal. 14, p.12. http://doi.org/10.5334/dsj-2018-012
  • Oswald, C.& Sivaselvan, B., (2018). An efficient and novel data clustering and run length encoding approach to image compression. The Wiley - Concurrency and Computation: Practice and Experience: e6185. https://doi.org/10.1002/cpe.6185
  • C. Oswald and B. Sivaselvan. 2017. An optimal text compression algorithm based on Frequent Pattern Mining. Springer Journal of Ambient Intelligence and Humanized Computing. 9, p.1-20. https://onlinelibrary.wiley.com/doi/10.1002/cpe.6185


Manuscripts in Review


  • C. Oswald, Allen P. Alex and Arnab Bhattacharya. DEFENSE: Detection of COVID-19 Fake News in Social Media Posts using Feature Engineering and Sentence Embedding, ACM Transactions on the Web.
  • C. Oswald, Suyash Chaudhary and Arnab Bhattacharya. Discovering Depression in Reddit: Addressing the Under-Represented Users in Social Media, ACM Transactions on the Web.
  • C. Oswald, B. Sivaselvan, Frequent Pattern Mining based Efficient Huffman Encoding using a Hash Structure to Applied Artificial Intelligence, Taylor and Francis.


Publications in Referred Conference Proceedings


  • Oswald, C., Baranwal, S., Narayanan, S.S.S. and Bhattacharya, A., 2022, November. Divorce Astrologer: Machine Learning based Divorce Prediction of Married Couples. In 2022 IEEE 19th India Council International Conference (INDICON) (pp. 1-6). IEEE. IEEEXplore
  • C. Oswald, Gadi Jaya Satwika and Arnab Bhattacharya. ―Prediction of CardioVascular Disease (CVD) using Ensemble Learning Algorithms, 5th ACM India Joint International Conference on Data Science & Management of Data (CODS-COMAD), 2022. PDF
  • Kumar, T., Goel, N., Roy, S. and Oswald, C., 2022. Usability Evaluation of Novel Text CAPTCHA Schemes Based on Colors and Shapes. In International Conference on Innovative Computing and Communications (pp. 355-363). Springer, Singapore. (Best Paper Award) Springer
  • C. Oswald, Kumar I Ajith, Avinash J, Sivaselvan B. A Graph-Based Frequent Sequence Mining Approach to Text Compression. In International Conference on Mining Intelligence and Knowledge Exploration (MIKE), IDRBT, 2014 (pp. 371-380). Springer, Cham Springer Book Chapter

  • C. Oswald, V. Akshay Vyas, K. Arun Kumar, L. Vijay Sri, and B. Sivaselvan. Hierarchical Clustering Approach to Text Compression. In Progress in Intelligent Computing Techniques: Theory, Practice, and Applications, pp. 347-357. Springer, Singapore, 2014 Springer Book Chapter

  • C. Oswald, Anirban I Ghosh, and B Sivaselvan. An Efficient Text Compression Algorithm-Data Mining Perspective. In Mining Intelligence and Knowledge Exploration (MIKE). Springer, IIIT Hyderabad, 563–575. 2015 Springer Book Chapter

  • C. Oswald, Anirban I Ghosh, and B Sivaselvan. Knowledge engineering perspective of text compression. In 2015 Annual IEEE India Conference (INDICON). IEEE, 1–6. 2015 IEEEXplore

  • Kadimisetty, Avinash, C. Oswald, B. Sivaselvan, and Kadimisetty Alekhya. Lossy image compression—A frequent sequence mining perspective employing efficient clustering. In 2016 13th IEEE Annual India Conference (INDICON), pp. 1-6. IEEE, 2017 IEEEXplore

  • Kadimisetty, Avinash, C. Oswald, and B. Sivaselvan. Frequent Pattern Mining Approach to Image Compression. In 2016 22nd Annual International Conference on Advanced Computing and Communication (ADCOM), pp. 27-32. IEEE, 2018 IEEEXplore

  • Karthik, M., C. Oswald, and B. Sivaselvan. Frequent Sequence Mining Approach to Video Compression. In International Conference on Computational Intelligence, Cyber Security, and Computational Models(ICC3), pp. 87-97. Springer, Singapore, 2018 Springer Book Chapter

  • Biswas, Subham, Nikhil Chennu, Harsha Valveti, C. Oswald, and B. Sivaselvan. Lossy Image Compression using Frequent Pattern Mining based Huffman Encoding. In2014 14th IEEE India Council International Conference (INDICON), pp. 1-6. IEEE, 2018 IEEEXplore

  • Moolam Hima Swetha, B. Sivaselvan, C. Oswald, Closed Frequent Itemset Mining approach to Image Security Enhancement, In IEEE International Conference on Computer, Communication and Signal Processing (ICCCSP), pp. 1-6. IEEE, 2018 IEEEXplore

  • Sudheer S, Sivaselvan B, C. Oswald, Emergent User Design Framework for E-Payment Mobile Application, In 2018 IEEE International Conference on Computer, Communication and Signal Processing (ICCCSP), pp. 1-6. IEEE, 2018 IEEEXplore

  • Kuldeep Gunta, B. Sivaselvan, C. Oswald, Gamification Paradigm for WebApps Design Framework, In IEEE International Conference on Computer, Communication and Signal Processing (ICCCSP), pp. 1-6. IEEE, 2018 IEEEXplore

  • Neeraj, S., C. Oswald, and B. Sivaselvan. A Novel Gamification Approach to Recomendation Based Mobile Applications. In 2014 Ninth International Conferenceon Advanced Computing (ICoAC), pp. 157-164. IEEE, 2014 IEEEXplore

  • Krishna Chaurasia, Sowmya Jain, B. Sivaselvan, C. Oswald, Automatic Ranking of CAPTCHAs based on Usability Measures, In Annual IEEE India Conference (INDICON), pp. 1-6. IEEE, 2014 IEEEXplore

  • Avula, Sandeep, C. Oswald, and B. Sivaselvan. Frequent Pattern Mining Guided Tabu Search. In International Conference on Data Science Analytics and Applications(DaSAA), pp. 60-71. Springer, Singapore, 2014 Springer Book Chapter

  • Tummala, Kuladeep, C. Oswald, and B. Sivaselvan. A Frequent and Rare Itemset Mining Approach to Transaction Clustering. InInternational Conference on Data Science Analytics and Applications(DaSAA), pp. 8-18. Springer, Singapore, 2014 Springer Book Chapter

  • Kataria, Mohak, C. Oswald, and B. Sivaselvan. A Novel Rare Itemset Mining Algorithm Based on Recursive Elimination. In Software Engineering, pp. 221-233. Springer, Singapore, 2019 Springer Book Chapter

  • Oswald C, Anand Devadurai, Novel hybrid PSO algorithms with search optimization strategies for a university course timetabling problem. In 2013 Fifth International Conference on Advanced Computing (ICoAC), pp. 77-85. IEEE, 2013. (Best Paper Award) IEEEXplore