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Publications Prof. C. K. Walgampaya
 
 
 

Research Publications(Recent) :
  • CD Fernando CK Walgampaya, "Detecting Click Fraud Using an Improved Lenet-5 Convolution Neural Network", International Research Conference on Smart Computing and Systems Engineering (SCSE), 2023
  • T Ranasinghe, G Jayathilaka, T Jayaweera, A Kulatunga, C Walgampaya, "Worker Training Optimization in an Iot-Enabled Environment", Available at SSRN 4457097
  • K Senavirathna CK Walgampaya, "Genetic Algorithm Based Combinatorial Optimization for the Optimal Design of Water Distribution Network of Gurudeniya Service Zone, Sri Lanka", arXiv preprint arXiv:2304.09720
  • U Nawarathne, C Walgampaya, I Aberathne, "A Gated Recurrent Unit Neural Network-based Predictive Maintenance Approach for Machinery Maintenance in the Apparel Industry", 2023
  • K Senavirathna C Walgampaya, "A Novel Spanning-Tree Matrix Approach to Model and Optimize Large-Scale Tree-Shaped Water Distribution Networks", arXiv preprint arXiv:2209.11993
  • CD Fernando C Walgampaya, "Android Based Digital Contact Tracing and Health Monitoring System for Covid 19 Pandemic", ENGINEER 55 (04), 29-37
  • CD Fernando, PT Weerasinghe C Walgampaya, "Heart Disease Risk Identification using Machine Learning Techniques for a Highly Imbalanced Dataset: a Comparative Study".
  • S Kumara CK Walgampaya, "Identification of Severity Factors and Risk Areas of Southern Expressway Accidents", ENGINEER 61, 1
  • K Senavirathna, S Thalagala, CK Walgampaya, "Use of Honey-Bee Mating Optimization Algorithm to Design Water Distribution Network in Gurudeniya Service Zone, Gurudeniya, Sri Lanka", arXiv preprint arXiv:2110.10886
  • S Thalagala C Walgampaya, "Application of AlexNet convolutional neural network architecture-based transfer learning for automated recognition of casting surface defects", 2021 International Research Conference on Smart Computing and Systems …
  • I Aberathne, C Walgampaya C Walgampaya, "Real Time Mobile Ad Investigator: An Effective and Novel Approach for Mobile Click Fraud Detection.", Computing & Informatics 40 (3)
  • Lawrance M., Walgampaya C. K., "Performance Evaluation of Kernel SVM on Sparse Datasets with Large Attributes," Asian Journal of Convergence in Technology, Vol. V, Issue III, 2020.
  • Aberathne,I., Walgampaya C. K., and Rathnayake.U., "Novel Hidden Markov Scoring Algorithm for Fraudulent Impression Classification in Mobile Advertising," Proceedings of Fifth International Congress on Information and Communication Technology, Springer 2020.
  • Aberathne,I., Walgampaya C. K., and Rathnayake.U., "Step-Factor Resampling Technique for Imbalanced Sequence Data Classification," Smart Trends in Computing and Communications: Proceedings of SmartCom, Springer 2020.
  • Herath H.M.K.B., Dasanayaka D.A.R.K, Walgampaya C. K., "The Effect of BMI Based Nutritional Status on Lung Functions of Healthy Adults in Sri Lanka," Proceedings of the 2nd South Asia Conference on Multidisciplinary Research 2019, SAMR 2019, Colombo, Sri Lanka.
  • Iroshan Aberathne, Chamila Walgampaya, Smart Mobile Bot Detection Through Behavioral Analysis, Advances in Data and Information Sciences: Proceedings of ICDIS-2017. Vol. 1. Springer, 2018.
  • Peiris, T. U. S., Walgampaya C. K., Thattil, R. O. and Abeysinghe, I. S. B. (2017).Classification of Geographical Origin of Sri Lankan Black Tea Using Discriminant Function Analysis. Tropical Agricultural Research. Vol. 29 (1): 12 – 24.
  • Peiris, T. U. S., Jayakody, J. R.C. K., Walgampaya C. K., Thattil, R O., Banks D L. and Abeysinghe, I. S. B. (2017).Authentication of Geographical Origins in Regional Teas in Sri Lanka. Proc. of the International Statistics conference. December 28th & 29th, Taj Samudra Hotel, Colombo
  • I. Aberathne and C. K. Walgampaya, Novel solution for real time mobile click fraud detection, Proceedings of the Peradeniya University International Research Sessions, Sri Lanka, Vol. 20, 4th & 5th November 2016.
  • Tharindu Fernando, Harshala Gammulle, Chamila Walgampaya, "Fuzzy Logic Based Framework For Mobile Robot Navigation With Target Tracking, " International Journal of Computer Science and Networks IJCSN, Volume 4, Isssue 5, October 2015.
  • Tharindu Fernando, Harshala Gammulle, Chamila Walgampaya, "Fuzzy Logic Based Mobile Robot Target Tracking in Dynamic Hostile Environment," IEEE International Conference on Computational Intelligence and Virtual Environments for Measurement Systems and Applications CIVEMSA 2015, Shenzhen, China, June 12-14, 2015.
  • Harshala Gammulle Chamila Walgampaya, Amalka Pinidiyaarachchi, "Recaptured Video Detection Using Multiple Feature Descriptors," 4th International Conference on Computing and Computer Vision (ICCCV 2015), Hong Kong, June 22-23, 2015.
  • Harshala Gammulle Chamila Walgampaya, Amalka Pinidiyaarachchi, "A Novel Framework for Video Piracy Detection," International Journal of Computer Science Issues IJCSI, Volume 12, Issue 3, May 2015.
  • Damunugalla, Salinda and Walgampaya Chamila, A Greedy Agent to Solve the Minesweeper Game, Peradeniya University Research Sessions PURSE - 2012, Book of Abstracts, University of Peradeniya, Sri Lanka, Vol. 17, July. 4. 2012 pp.153.
  • Chamila Walgampaya, Mehmed Kantardzic, “Cracking The Smart ClickBot,” Ac- cepted for publication in the 13th IEEE International Symposium on Web Systems Evolution, September 30, 2011.
  • Chamila Walgampaya, Mehmed Kantardzic, Brent Wenerstrom, “Duplicate Detection in Pay-Per-Click Streams using Temporal Stateful Bloom Filters,” First review submitted for publication in the International Journal of Data Analysis Techniques and Strategies, IJDATS, 2011.
  • Joung Woo Ryu, Mehmed Kantardzic, Chamila Walgampaya, “Building an Ensemble of Classifiers Using Partially Labeled Streaming Data,” First review received for publication in the International Journal of Information Sciences, Elsevier, 2011.
  • Chamila Walgampaya, Mehmed Kantardzic, Roman Yampolskiy, “Evidence Fusion For Real Time Click Fraud Detection And Prevention,” Accepted for publication in Intelligent Automation and Systems Engineering, Springer 2011.
  • Chamila Walgampaya, Wael Emara, Mehmed Kantardzic, “Validation of Click Fraud Detection Models,” Accepted for publication in 7th International Conference on Machine Learning and Data Mining, MLDM 2011, August 30-September 3, 2011.
  • Mehmed Kantardzic, Chamila Walgampaya, Wael Emara, “Click fraud prevention in pay-per-click model: Learning through multi-model evidence fusion,” International Conference on Machine and Web Intelligence (ICMWI) ,pages 20–27, 2010.
  • Mehmed Kantardzic, Brent Wenerstrom, Chamila Walgampaya, Sean Higgins, Darren King, “Click Fraud Detection Using Time and Space Contextual Information,” IADIS International Journal on WWW/Internet, Volume: VIII,2 , Pages 101-117, 2010.
  • Chamila Walgampaya, Mehmed Kantardzic, and Roman Yampolskiy, “Real Time Click Fraud Prevention using multi-level Data Fusion,” International Conference on Computer Science and Applications 201 (WCECS 2010), October 20 - 22, 2010, San Francisco, USA , pp514-519.
  • Mehmed Kantardzic, Chamila Walgampaya, Roman Yampolskiy, Joung Woo Ryu, “Click Fraud Prevention via Multimodal Evidence Fusion by Dempster-Shafer Algorithm,” 2010 IEEE Conference on Multisensor Fusion and Integration (MFI2010), Salt Lake City, Utah, USA, September 5-7, 2010.
  • Mehmed Kantardzic, Joung Woo Ryu, Chamila Walgampaya, “Building a New Classifier in an Ensemble using Streaming Unlabeled Data”, The 23rd International Conference on Industrial, Engineering & Other Application of Applied Intelligent Systems (IEA-AIE 2010), Cordoba, Spain, June 2010.
  • Joung Woo Ryu, Mehmed Kantardzic, Chamila Walgampaya, “Ensemble Classifier based on Misclassified Streaming Data,” The Tenth IASTED International Conference on Arti
  • Walgampaya, C. and Kantardzic, M. (2006). "Cost-Sensitive Analysis in Multiple Time Series Prediction," to be appeared in the proceedings of The 2006 International Conference on Data Mining, Las Vegas, USA.
  • Walgampaya, C. and Kantardzic, M. (2006). "Selection of Distributed Sensors in Multiple Time Series Prediction," to be appeared in the proceedings of the IEEE World Congress on Computational Intelligence, Vancouver, CA.
  • Walgampaya, C., and Kantardzic, M. (2006). “Use of Support Vector Machines in forecasting of energy production.” in the proceedings of annual research sessions 2006, University of Peradeniya, December 2006.
  • Walgama, K. S., Walgampaya, C. , and Elkaduwa, D. (2003). “Real time fetal heart rate monitoring system.” Annual research sessions 2003, Oct 2003, University of Peradeniya.
  • Walgampaya, C. , Elkaduwa, D. D. B., Walgama, K. S., and Wijayakulasooriya, J. V. (2003). “ Real time fetal heart rate monitoring system.” Proceedings of the Peradeniya University Research Sessions, Sri Lanka Vol. 8