my-profile

Contact
0117543111
amitha.c@sliit.lk
Dr. Amithalal Caldera
Senior Lecturer (Higher Grade)
Faculty of Computing | Information Technology
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
HONOURS AND AWARDS
- SENATE COMMENDATIONS FOR RESEARCH EXCELLENCE 2021. Awarded in Recognition of Excellence in Research at the Annual Research Symposium held in University of Colombo on 16th November 2022.
- SENATE COMMENDATIONS FOR RESEARCH EXCELLENCE 2020. Awarded in Recognition of Excellence in Research at the Annual Research Symposium held in University of Colombo on 16th November 2022.
Research Interests and Memberships
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
Ongoing Research
- Cross Fertilization of data mining and Natural Language processing Methods to generate abstractive web news summaries, started in 2019 and to be completed in 2024.
- Sentiment Analysis of Sinhala-English Code-Mixed Social Media Text, started in 2021 and to be completed in 2024
My Publications
Journal Publications
- Goonetilleke, T.O. and Caldera, H.A. " Mining life insurance data for customer attrition analysis " Journal of Industrial and Intelligent Information, vol.1, Issue 1, 2013,
- Nanayakkara, C. and Caldera, H. " Music emotion recognition with audio and lyrics features " International Journal of Digital Information and Wireless Communications, vol.6, Issue 4, 2016, pp.260-273,
- Caldera, A. and Serasinghe, D.R. " Analyzing Tea Auction Trends for Beneficial Seasonal Tea Production in Sri Lanka " Journal of Advanced Management Science , vol.5, Issue 2, 2017,
- Pramodi De Silva, Chandima Imalika, Thushani Weerasinghe, Amitha Caldera " Impact on Students’ Position in the Online Discussion Network on their Learning Performance " International Journal of Soft Computing And Artificial Intelligence (IJSCAI), vol.7, Issue 1, 2019,
- Semini, K.H. and Caldera, H.A " Determining Local Hematology Reference Ranges: A Data-driven Approach " International Journal of Advanced Computer Science and Applications, vol.12, Issue 8, 2021,
- Lakshika, M.V.P.T. and Caldera, H.A. " Knowledge Graphs Representation for Event-Related E-News Articles " Machine Learning and Knowledge Extraction, vol.3, Issue 4, 2021, pp.802-818,
- Dilrukshi, R.S.N. and Caldera, H.A. " Improving Customer Experience in Supermarkets: A New Approach based on Travel Path " International Journal of Research in Computing, vol.1, Issue 2, 2022, pp.31-39,
- 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 " International Journal of Psychosocial Rehabilitation, vol.24, Issue 4, 2020,
- Isura Nirmal. and Caldera, H.A. " Classification of Web based Recipes using Random Forests Algorithm. " Test Engineering & Management, vol.82, Issue 1, 2020, pp.12731-12737,
- 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 " Advances in Science, Technology and Engineering Systems Journal, vol.7, Issue 5, 2022,
Conference Proceedings
- Dilrukshi, I., De Zoysa, K. and Caldera, A. Twitter news classification using SVM in 8th International Conference on Computer Science & Education , year 2013, pp.287-291, IEEE, April,
- Perera, I. K. C. U., and H. A. Caldera. Aspect based opinion mining on restaurant reviews in International Conference on Computational Intelligence and Applications (ICCIA), year 2017, Beijing, China, pp.542-546, IEEE,
- 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 in Second Vaagdevi International Conference on Information Technology for Real World Problems, year 2010, pp.3-8, IEEE, December,
- 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 in 6th International Conference on Advanced Information Management and Service (IMS), year 2010, pp.372-377,
- T. Watawana and A. Caldera Analyse Near Collision Situations of Ships Using Automatic Identification System Dataset in 5th International Conference on Soft Computing & Machine Intelligence (ISCMI), year 2018, Kenya, pp.155-162,
- Bandara, H.M.K.G. and Caldera, H.A. Towards optimising wi-fi energy consumption in mobile phones: A data driven approach in Fifteenth International Conference on Advances in ICT for Emerging Regions (ICTer), year 2015, pp.226-235, IEEE, August,
- Samaranayake, C.P. and Caldera, H.A. A data mining solution on high failure rate in Physical Science stream at the university entrance examination in Tenth International Conference on ICT and Knowledge Engineering, year 2012, Bangkok, pp.163-170, IEEE, November,
- Amithalal Caldera A Framework for Improving Time-Oriented Heuristic in Estimating User Session from Web Server Logs in The 2008 International Conference on Data Mining, DMIN, year 2008, Las Vegas, USA, pp.633-639, CSREA Press,, July 14-17,
- Caldera, A. and Deshpande, Y. Effectively capturing user navigation paths in the web using web server logs in International Conference on Web Engineering, year 2005, Berlin, Heidelberg, pp.63-68, Springer, July,
- M. V. P. T. Lakshika, H. A. Caldera and W. V. Welgama Abstractive Web News Summarization Using Knowledge Graphs in 20th International Conference on Advances in ICT for Emerging Regions (ICTer), year 2020, Sri Lanka, pp.300-301,
- H.A. Caldera and W.P.A. Lavanya Combinatorial Impact of Technical Indicators on Price Prediction in Colombo Stock Market in International Conference on ICT for Emerging Region (ICTer), year 2020, University of Colombo School of Computing, pp.256-261, IEEE, November,
- J. Logeesan, Y Rishoban and H.A. Caldera Automatic Summarization of Stock Market News Articles in 4th International Conference on Natural Language Processing and Information Retrieval(NLPIR 2020), year 2020, pp.1-5, ACM Digital Library, December,
- Isura Nirmal, Amith Caldera and Roshan Dela Bandara Optimization Framework for Flavour and Nutrition Balanced Recipe: A Data Driven Approach in 2018 5th IEEE Uttar Pradesh Section International Conference on Electrical, Electronics and Computer Engineering (UPCON), year 2011, India, pp.308-316, IEEE, November,
- Inoshika Dilrukshi, Kasun De Zoysa and Amitha Caldera Twitter news classification using SVM in 2013 8th International Conference on Computer Science & Education, year 2013, pp.287-291, IEEE, April,
- Amitha Caldera, Sajitha N. Kaluarachchi, Dilini and T. R. Serasinghe Estimating Tea Stock Values Using Cluster Analysis in The International Conference on Data Mining, Internet Computing, and Big Data (BigData2014), year 2014, Malaysia, pp.1-11, SDIWC, November,
- C.V. Nanayakkara and H.A. Caldera Identification of Musically Induced Emotion: A Machine Learning Based Approach in The Third International Conference on Data Mining, Internet Computing, and Big Data (BigData2016), year 2016, Turkey, pp.44-54, SDIWC, August,