CAREER SUMMARY
Senior Lecturer (HG), Sri Lanka Institute of Information Technology, from Jan, 2023 onwards (Sabbatical)
- Sienior Lecturer (GI), University of Colombo School of Computing, since 2014
- Sienior Lecturer (GII), University of Colombo School of Computing, since 2008
- Lecturer, University of Colombo School of Computing, since 2001
- Lecturer, Department of Mathematics, University of Colombo, 1987-1992
ACADEMIC QUALIFICATIONS
Ph.D. (Computer Science), University of Western Sydney, Australia,2008.
M.Sc. (Computer Science), University of Colombo, Sri Lanka, 1996
PG-Diploma (Computer Technology), University of Colombo, Sri Lanka, 1990
B.Sc. (Mathematics), University of Colombo, Sri Lankla,1986
RESEARCH INTERESTS AND MEMBERSHIP
Research Interests
- Data Science
- Automatic Text Sumertization
- Sentimental Analysis
- Stock Market Prediction
Memberships
Member, Computer Society of Sri Lanka (CSSL) since 2011
Member, IEEE Sri Lanka Section since 2012
MY PUBLICATIONS
Journal Publications
- Goonetilleke, T.O. and Caldera, H.A. "Mining life insurance data for customer attrition analysis"
- Nanayakkara, C. and Caldera, H. "Music emotion recognition with audio and lyrics features"
- Caldera, A. and Serasinghe, D.R. "Analyzing Tea Auction Trends for Beneficial Seasonal Tea Production in Sri Lanka"
- Pramodi De Silva, Chandima Imalika, Thushani Weerasinghe, Amitha Caldera "Impact on Students’ Position in the Online Discussion Network on their Learning Performance"
- Semini, K.H. and Caldera, H.A "Determining Local Hematology Reference Ranges: A Data-driven Approach"
- Lakshika, M.V.P.T. and Caldera, H.A. "Knowledge Graphs Representation for Event-Related E-News Articles"
- Dilrukshi, R.S.N. and Caldera, H.A. "Improving Customer Experience in Supermarkets: A New Approach based on Travel Path"
- Perera, W.A.S.C. and Caldera, H.A. "Predicting an Optimal Sri Lankan Cricket Team for One Day International Matches According to the Nature of the Game"
- Isura Nirmal. and Caldera, H.A. "Classification of Web based Recipes using Random Forests Algorithm. "
- Lakshika, M.V.P.T. and Caldera, H.A. "Association Rules for Knowledge Discovery From E-News Articles: A Review of Apriori and FP-Growth Algorithms"
- Dilrukshi, I., De Zoysa, K. and Caldera, A. "Twitter news classification using SVM"
- Perera, I. K. C. U., and H. A. Caldera. "Aspect based opinion mining on restaurant reviews"
- Nuwangi, S.M., Oruthotaarachchi, C.R., Tilakaratna, J.M.P.P. and Caldera, H.A. "Utilization of data mining techniques in knowledge extraction for diminution of diabetes"
- S. M. Nuwangi, C. R. Oruthotaarachchi, J. M. P. P. Tilakaratna and H. A. Caldera "Usage of association rules and classification techniques in knowledge extraction of diabetes"
- T. Watawana and A. Caldera "Analyse Near Collision Situations of Ships Using Automatic Identification System Dataset"
- Bandara, H.M.K.G. and Caldera, H.A. "Towards optimising wi-fi energy consumption in mobile phones: A data driven approach"
- Samaranayake, C.P. and Caldera, H.A. "A data mining solution on high failure rate in Physical Science stream at the university entrance examination"
- Amithalal Caldera "A Framework for Improving Time-Oriented Heuristic in Estimating User Session from Web Server Logs"
- Caldera, A. and Deshpande, Y. "Effectively capturing user navigation paths in the web using web server logs"
- M. V. P. T. Lakshika, H. A. Caldera and W. V. Welgama "Abstractive Web News Summarization Using Knowledge Graphs"
- H.A. Caldera and W.P.A. Lavanya "Combinatorial Impact of Technical Indicators on Price Prediction in Colombo Stock Market"
- J. Logeesan, Y Rishoban and H.A. Caldera "Automatic Summarization of Stock Market News Articles"
- Isura Nirmal, Amith Caldera and Roshan Dela Bandara "Optimization Framework for Flavour and Nutrition Balanced Recipe: A Data Driven Approach"
- Inoshika Dilrukshi, Kasun De Zoysa and Amitha Caldera "Twitter news classification using SVM"
- Amitha Caldera, Sajitha N. Kaluarachchi, Dilini and T. R. Serasinghe "Estimating Tea Stock Values Using Cluster Analysis"
- C.V. Nanayakkara and H.A. Caldera "Identification of Musically Induced Emotion: A Machine Learning Based Approach"
- Leenas T, Caldera HA "Performance Improvement of Proxy Server Cache Management Using Web Usage Mining"
- Thathsarani R.P.H.S.R., Dissanayake D.M.D.M., Nirmal M.D.S., PA, D. T., W.A.C. Pabasara, & Caldera, H. A "Workload management system for IT professionals through stress identification"
- M. B. A. S. Wijedasa, P. L. G. K. Cooray, R. L. C. Jayawansha, S. D. Karunasekera, A. Caldera, and D. D. Silva "Cattle Farm Management System Using Machine Learning and Image Processing"
- Caldera A, S Karunathilaka,S.L.D.P Pramodya,A.M.K.A.P Amarasingha,Dissanayake D.M.D.H,P. U. Rathnasooriya "Motorbike Defect Checker and Predictor” –Android App to identify vehicle auto parts altered and their usage prediction"
- A. Caldera, S. Hettiarachchi, H. M. R. M. Bandara, Y. S. Abeywickrama, B. D. R. Fernando and I. M. Wijesuriya "Interview Bot Using Natural Language Processing and Machine Learning"
- Bandara H.R.A.M.K; Ahamed M.M.Z; Anjalie Gamage; De Silva S.H.D.Y; Asiri M.A.R; Amithalal Caldera "SentiNet: A Robust and Multilingual Sentiment Analysis System with Transfer Learning and Adversarial Training Techniques"
- R. M. T. D. Rathanayake, A. G. S. C. Arachchi, J. S. M. R. N. W. I. U. Ekanayake, A. Caldera and S. Kasthuriarachchi "AgarRiskPro” – Device-Based Approach to Detect Diseases and Solution-Providing System"
- M. N. Nuha, G. K. N. P. Wishvajith, A. Caldera, N. T. Weerasinghe, G. S. Weeratunga and S. Lokuliyana "Predicting the Air Pollution Level and Creating an Awareness Platform"
- P. P. Gunasekara, P. M. Perera, C. D. Adhihetty, D. D. Kollure, N. Kodagoda, A. Caldera "Generate comic strips using AI"
- Perera A, Caldera A "Sentiment Analysis of Code-Mixed Text: A Comprehensive Review"