Dr.Oswald C

 

Dr. C Oswald

Designation: Assistant Professor  
Office Address: Room. No. 301, Department of Computer Science and Engineering, NIT Tiruchirappalli.  
Telephone (Direct): 0431-250-3223 Telephone : Extn (Optional): Mobile (Optional):  
Email (Primary): oswald@nitt.edu Email (Secondary) : oswald.mecse@gmail.com
Field(s) of Specialization:
  1. Machine Learning, Deep Learning, Data Mining, Natural Language Processing and Human Computer Interaction.
  2. Text Mining, Social Media Analytics, Computational Science for Social Good.
  3. Ontology and Knowledge Graphs, Question-Answering (English and Indian Languages).
  4. Text/Image Compression, Graph Compression.
  

Employment Profile

Job Title Employer From To
Assistant Professor Grade II (Pay Level 11 AGP 7000 ), Computer Science and Engineering  NIT Tiruchirappalli. 04/12/2025 Till Now
Assistant Professor Grade II (Pay Level 10 AGP 6000), Computer Science and Engineering NIT Tiruchirappalli. 30/09/2022 03/12/2025
Assistant Professor, Computer Science and Engineering IIIT Kottayam July 2022 September 2022
Institute Postdoctoral Fellow, Computer Science and Engineering Indian Institute of Technology Kanpur Feb 2021 July 2022
Assistant Professor–Senior, School of Computer Science and Engineering VIT Chennai June 2019 February 2021
Assistant Professor, Department of Computer Science and Engineering SRM IST, Chennai June 2018 May 2019
Intern IBM India Systems & Software Lab, Bangalore Dec 2012 July 2013
Programmer Analyst Cognizant Technology Solutions, Chennai Dec 2009 May 2011

Academic Qualifications (From Highest Degree to High School)

Examination Board / University Year Division/ Grade Subjects
PhD Institute of Information Technology, Design and Manufacturing Kancheepuram 2018   Computer Science and Engineering
M.Tech. Karunya University 2013 I class with Distinction Software Engineering
B.E. Anna University (Sona College of Technology) 2009 I class with Distinction Computer Science and Engineering
HSC – Govt. Improvement Scheme TN School Education Board 2005 I class with distinction Tamil, English, Maths, Physics, Chemistry and Biology

Funded Projects

Title Amount Funding Agency PI Co-PIs Status
MindScribe: Giving Voice to Silent Minds. 10 Lakhs IIT Indore DRISHTI CPS Foundation under the NM-ICPS Scheme Dr. Chandresh Kumar Maurya, Associate Professor, Dept. of CSE, IIT Indore. Dr. C. Oswald, NIT Tiruchirappalli & Prof. Amit Agrawal, Head, Neurosurgery, AIIMS Bhopal Ongoing
Exploring ‘Smart’ Pedagogy through the End to End Development of a Technology-Enhanced Learning (TEL) system 13.43 Lakhs. ICSSR (India)-JSPS (Japan) Joint Research Programme in the field of Social Sciences Dr. Rachel Philip, Assistant Professor, School of Liberal Arts, IIT Jodhpur. Prof. Takafumi Matsumaru, Waseda Univeristy, Dr. Riby Abraham Boby, IIT Jodhpur, Dr. Sivananthan Sampath, IIT Delhi, Dr. C. Oswald, NIT Tiruchirappalli and Dr. Rajlaxmi Chouhan, IIT Jodhpur Completed

Academic/Administrative Responsibilities within the University

Position Faculty/Department/Centre/Institution From To
Dept. NPTEL Coordinator CSE Jan’26 Present
Dept. BIS Coordinator CSE Jan’24 Present
AICTE Margdarshan Scheme Coordinator Institution September’23 present
Mentor for 35 students at NITT, Proctee for 25 students at VIT Chennai Institution August’23 present
Member of Dept. Project Evaluation Committee for M.Tech. students CSE July’23 June’2024
Faculty Advisor: Akkara Club Institution August’22 present
Member of the Institute Social Media Team Institution October’22 present
CSE Dept. NBA Preparation Committee CSE October’22 present
Institute Anti Ragging Committee Institution October’22 August’24

Details of Academic Work

Student Guidance (the number in the bracket is the year of graduation)
          PhD:         Abhijith Balan – July 2023 – present
                           Anju K B(QIP Scheme) – Jan 2025 – present
                           Sambasiva Rao Chindam (Part Time) – Jan 2025 – present
          M.Tech:    Yash Gogoria, Sachin Kumar Gupt (2024), Abhisek Raj (2025), Rakesh Kumar Rakesh (2026), Anurag Kadam – 2027 ongoing

          B.Tech:     Aditya G, Vijay G, Aadit Krishnaa R(2026), Srikanth V(2025), Amarjit, Dharanish Rahul S, Mithilesh K (2024)

Indian Patents (Published)

  1. Oswald C, M. Mohamad Fasil Ansaary, P. Raghava Ratna, An Integrated System and Method for a Touchless, Paperless Election Voting for Government and Private mode, February 05, 2021. File No. 202141003735.
  2. Oswald C, Jayapragash R, Trishit Chakraborty, Tanishq Gupta, Aditya Agrawal, SPoTA: Smart Prevention of Train Accidents, August 28, 2020. File No. 202041035035.
  3. Balasundaram A, Manas Ranjan Prusty, Inayathullah M A, Oswald C, Smart Attendance Marking System (SAMS) using Computer Vision, July 03, 2020. File No. 202041025660.

 

Courses Taught
Data Analytics (CSPE64): Jan’26
Data Structures (CSPC32): July’25, July’26
Machine Learning (CSPE65): Jan’25, Database Management Systems (CSMI14): July’24
Big Data Analytics (CSOE11): July’23, Jan’22, Artificial Intelligence (CSMI17): July’23, 22, Jan’18
Software Engineering (CSPE73): Jan’24, Jan’23, Comprehensive Viva (CSIR81): Jan’23
Data Structures and Algorithms(CSMI11): Jan’26, Jan’25, Jan’24, June’19, June’20
Problem Solving and Programming in Python: June’20, Jan’19, June’19
Software Quality and Reliability: Jan’20, Software Reliability: June’18, Jan’18

Publications

(A) Refereed Research Journals:

 

  1. Mitra, S., Elza Simon, S., Oswald, C., Bhattacharya, A. and Pal, A., 2026. CGS: Configurable Graph Summarization with Bounded Neighborhood Loss and Query Support. ACM Transactions on Knowledge Discovery from Data. https://dl.acm.org/doi/10.1145/3786788
  2. Oswald, C., Simon, S.E. and Bhattacharya, A., 2022. Spotspam: Intention analysis–driven sms spam detection using bert embeddings. ACM Transactions on the Web (TWEB), 16(3), pp.1-27. https://dl.acm.org/doi/10.1145/3538491
  3. Oswald, C. and Sivaselvan, B., 2018. Text and image compression based on data mining perspective. Data Science Journal, 17, pp.12-12. DOI: http://doi.org/10.5334/dsj-2018-012.
  4. Oswald, C. and Sivaselvan, B., 2023. Smart Multimedia Compressor—Intelligent Algorithms for Text and Image Compression. The Computer Journal, 66(2), pp.463-478. https://doi.org/10.1093/comjnl/bxab173
  5. C. Oswald, Haritha, E., Akash Raja, A. and Sivaselvan, B., 2021. An efficient and novel data clustering and run length encoding approach to image compression. The Wiley - Concurrency and Computation: Practice and Experience, 33(10), p.e6185.https://onlinelibrary.wiley.com/doi/10.1002/cpe.6185
  6. Oswald, C. and Sivaselvan, B., 2018. An optimal text compression algorithm based on frequent pattern mining. Journal of Ambient Intelligence and Humanized Computing, 9, pp.803-822. https://doi.org/10.1007/s12652-017-0540-2.
  7. Navansh Goel, Tejaswi Kumar and C. Oswald. 2023. A Novel and Efficient Multilayered Approach to CAPTCHA: Design, Performance and Usability Evaluation. International Journal of Computer Information Systems and Industrial Management Applications, 15, p.438-459. https://www.mirlabs.org/ijcisim/regular_papers_2023/Paper39.pdf

 

(B) Conferences/Workshops/Symposia Proceedings

 

  1. Vasan ML, R. Vinish Krishna, Naveen Ragav, Nikhil Gudapati, Kalyan Sudarsan, Rachel Philip, and Oswald C, "Bridging Textbook Content and Interactive Visualizations: AI-Driven Multilingual Resources for SMART Pedagogy," in Proceedings of the 2026 International Conference on Smart Communication and Sustainable Technologies (ICSCST), 2026.
  2. Abhijith Balan, Aranganathan S, and Oswald C, "A Study on Named Entity Recognition in Tamil Language using Multilingual Transformers and Sequence Models," in Proceedings of the 2026 International Conference on Smart Communication and Sustainable Technologies (ICSCST), 2026.
  3. Abhijith Balan, Rohan Jose, and Oswald C, "Attention-Based Fusion for Malayalam Hate Speech Detection Using MuRIL and XLM-R," in Proceedings of the 2026 International Conference on Smart Communication and Sustainable Technologies (ICSCST), 2026.
  4. Abhinav P M, Ojasva Saxena, Oswald C, Parameswari Krishnamurthy, 2025. The Riddle of Reflection: Evaluating Reasoning and Self-Awareness in Multilingual LLMs using Indian Riddles. arXiv preprint arXiv:2511.00960.
  5. R S Mughil Srinivasan, Kesavan T, Abhijith Balan, Abhinav P M, Parameswari Krishnamurthy, Oswald C, VIDAI: VIDukathAI Interpretation Through Analysis of In-Context Reasoning in Tamil using LLMs. In 39th Pacific Asia Conference on Language, Information and Computation (PACLIC), 05 – 07, Dec, 2025, Vietnam. (Presented)
  6. Mithilesh, K., Madhumalararungeethayan, A., Balan, A., Oswald, C. and Terdalkar, H., 2024, December. Aganittyam: Learning Tamil Grammar through Knowledge Graph based Templatized Question Answering. In Proceedings of the 38th Pacific Asia Conference on Language, Information and Computation (pp. 838- 852).
  7. Abhijith Balan, Karthik Chitthoor and Oswald C, Indian Language Summarization and Factual Error Detection using Pretrained Sequence-to-Sequence Models and Large Language Models. In Forum for Information Retrieval Evaluation (FIRE), IIT Gandhinagar, Dec, 2024. (Presented)
  8. Yash Gogoriya, Oswald C, and Abhijith Balan. 2024. Landscape Painter: Mimicking Human Like Art Using Generative Adversarial Networks. In Proceedings of the 21st International Conference on Natural Language Processing (ICON), pages 602–606, AU-KBC Research Centre, Chennai, India. NLP Association of India (NLPAI).
  9. K. Tulip Raaj, C. Oswald, “FoCID: Forecasting Cryptocurrency Investment Decision using Deep Learning and Ensemble Models. 2023-ORSI & 2023-ICBAI, 18 – 20 Dec, 2023, IISC. Bangalore. (Presented/Best Paper Award)
  10. P.M. Isai Visaahan, N.V. Karthik Balaji, C. Oswald. Data-Driven Predictive Maintenance: Machine Learning based Prediction of Machine Failures. 2023-ORSI & 2023-ICBAI, 18 – 20 Dec, 2023, IISC. Bangalore. (Presented).
  11. Oswald, Jaya Sathwika, G. and Bhattacharya, A., 2022, January. Prediction of cardiovascular disease (CVD) using ensemble learning algorithms. In 5th Joint International Conference on Data Science & Management of Data (9th ACM IKDD CODS and 27th COMAD) (pp. 292-293).
  12. 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.
  13. 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: Proceedings of ICICC 2021, Volume 2 (pp. 355-363). Springer Singapore. (Best Paper Award)
  14. Swetha, M.H., Sivaselvan, B. and Oswald, C., 2018, February. Closed Frequent Itemset Mining Approach to Image Security Enhancement. In 2018 International Conference on Computer, Communication, and Signal Processing (ICCCSP) (pp. 1-6). IEEE.
  15. Surendran, S., Sivaselvan, B. and Oswald, C., 2018, February. Emergent User Design Framework for E Payment Mobile Application. In 2018 International Conference on Computer, Communication, and Signal Processing (ICCCSP) (pp. 1-6). IEEE.
  16. Gunta, K., Sivaselvan, B. and Oswald, C., 2018, February. Gamification paradigm for WebApps design framework. In 2018 International Conference on Computer, Communication, and Signal Processing (ICCCSP) (pp. 1-5). IEEE.
  17. Biswas, S., Chennu, N., Valveti, H., Oswald, C. and Sivaselvan, B., 2017, December. Lossy Image Compression using Frequent Pattern Mining based Huffman Encoding. In 2017 14th IEEE India Council International Conference (INDICON) (pp. 1-6). IEEE.
  18. Neeraj, S., Oswald, C. and Sivaselvan, B., 2017, December. A novel gamification approach to recommendation based mobile applications. In 2017 Ninth international conference on advanced computing (ICoAC) (pp. 157-164). IEEE.
  19. Chaurasia, K., Jain, S., Sivaselvan, B. and Oswald, C., 2017, December. Automatic Ranking of CAPTCHAs based on Usability Measures. In 2017 14th IEEE India Council International Conference (INDICON) (pp. 1- 6). IEEE.
  20. Kadimisetty, A., Oswald, C., Sivaselvan, B. and Alekhya, K., 2016, December. Lossy image compression—A frequent sequence mining perspective employing efficient clustering. In 2016 IEEE Annual India Conference (INDICON) (pp. 1-6). IEEE.
  21. Kadimisetty, A., Oswald, C. and Sivaselvan, B., 2016, September. Frequent Pattern Mining Approach to Image Compression. In 2016 22nd Annual International Conference on Advanced Computing and Communication (ADCOM) (pp. 27-32). IEEE.
  22. Oswald, C., Ghosh, A.I. and Sivaselvan, B., 2015, December. Knowledge engineering perspective of text compression. In 2015 Annual IEEE India Conference (INDICON) (pp. 1-6). IEEE.
  23. Oswald, C., 2013, December. 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. (Best Paper Award)

 

Events Organized

 

  1. AICTE sponsored ATAL online FDP on “Generative AI and Ethical AI: Techniques and Applications at NITT.
  2. ACM sponsored “ROCS: Research Opportunities on Computer Science”, 05 April, 2024.
  3. One Week Workshop on “Machine Learning: Techniques and Trends”, 26 – 30 June, 2023 at NIT Tiruchirappalli.
  4. Industrial Guest Lectures on Data Structures and Algorithms in LinkedIn, Problem Solving techniques in Google, Big Data Analytics at Zoho (at NITT and VIT-C)

 

Awards and Recognitions

 

  1. Research Excellence Award, VIT Chennai – 2019
  2. Elite Alumni Award, Sona College of Technology – 2017
  3. Outstanding Overall Co-Curricular Performance in Undergrad – 2009
  4. Best NSS Volunteer Award – 2009

 

Fellowships

Year of Award Name of the Fellowship Awarding Organization From (Month/Year) To (Month/Year)
2021 Institute Postdoctoral Fellowship IIT Kanpur Feb 2021 July 2022

Invited Talks delivered

 

  1. Talk on From Words to Worlds: Generative AI for Social Good applications at the Winter School on Interdisciplinary Pathways in Computational Social Sciences: Economics, Sociology and Policy, IIT Jodhpur, February, 2025.
  2. 12th Advanced Summer School on NLP (IASNLP) at IIIT Hyderabad, July 2024.
  3. Talk on A Tale of Two Cities: Machine Learning with Digital Humanities at IIT Jodhpur.
  4. Talk on Why Machine Learning is a buzzword?, An Informal Introduction to Reinforcement Learning at MLDS’23, NITT.
  5. Talk on Introduction to scikit-learn at ICSSP’23, NITT.
  6. Talk on Types of Itemsets and their algorithms, Workshop DAMI' 2018 at IIITD&M Kancheepuram.
  7. CODS’15, CODS'16, VLDB'16, CODS'17 and CODS’18 through travel grants from ACM SIGKDD.