• B.Sc Hons (seusl)
• M.Sc (PGIS-UoP)
• MPhil (sjp)

• Acting Head - Department of Computing and Information Systems, Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka
• Coordinator - B.Sc degree program in Computing and Information Systems, Faculty of Applied Sciences, Sabaragamuwa University of Sri Lanka
• Deputy Coordinator - for ICT of HETC - University Development Grant (UDG)
• Acting Director - Center for Computer Studies, Sabaragamuwa University of Sri Lanka
• Member: Internal Academic Member of the Board of Study, Faculty of Applied Sciences, Center for Open and Distance Learning, SUSL
• University Representative: LEARN Management Committee
• Board of Director - LEARN Project

• Database Management Systems
• Software Engineering
• Social Computing
• Human Computer Interaction
• Concept Models

• Data Science and IoT
• Software Models and Evaluation
• Human Computer Interaction
• Ontology Concepts and Modeling
• Social Computing

• KARIAPPER, R. A. R. & JAYAWEERA, P. M. A Comparison of Selected Legal Ontologies for the Design of Legal Process Optimization Ontology. International Journal of Scientific Researches, 3, 862-865.
• WICKRAMAARACHCHI, W. U. & KARIAPPER, R. An approach to get overall emotion from comment text towards a certain image uploaded to social network using Latent Semantic Analysis. Image, Vision and Computing (ICIVC), 2017 2nd International Conference on, 2017. IEEE, 788-792

• KARIAPPER, R. K. A. R. & JAYAWEERA, P. M. A Survey on Legal Ontologies for the Development of Process Optimization Ontology. International Conference on Multidisciplinary Approaches, 2014 Colombo, Sri Lanka. University of Srijayawardenepura, 121
• KARIAPPER, R. K. A. R. & JAYAWEERA, P. M. Process Marting Approach for Legal Record Archiving. International Research Conference on Humanities and Social Sciences, 2013. University of Sri Jayewardenepura, Sri Lanka, 18
• KARIAPPER, R. & JAYAWEERA, P. M. Dynamic Essential Modeling of Organization (DEMO) Towards the Legal Domain. Second International Conference on Interdisciplinary Legal Studies 2015, Available at SSRN 2607921, 2015. Unique Conferences Canada -2015, 40-45
• WICKRAMAARACHCHI, W. U. & KARIAPPER, R. An approach to get overall emotion from comment text towards a certain image uploaded to social network using Latent Semantic Analysis. Image, Vision and Computing (ICIVC), 2017 2nd International Conference on, 2017. IEEE, 788-792.
• "Impact of Social Networking Media among Undergraduates in Higher Educational Institution" in Trinco 2019 organized by Trincomalee campus, Eastern University of Sri Lanka
• Kariapper, R.K.A.R. Network Based Distributed Intelligent Intrusion Detecting System at Annual Symposium 2011 - General Sir John Kotelawala Defence University

• Grant - World Bank Funded HETC Project

• Member: Sri Lanka Association for the Advancement of Science
• Member: Computer Society of Sri Lanka
• Member: Committee for the Popularization of Science, SLAAS

• Workshop on "Transparent Research Performance" conducted by Staff Development Center in collaboration with the Library - SEUSL
• Strategic Planning Workshop 2018 - Orgnanized by Office of Strategic Planning and Implementation Monitoring (OSPIM), SEUSL
• Workshop on "Moodle Based Course Developoment (LMS Bootcamp)" conducted by e-Learning center, UCSC
• Curriculum Development, Lesson Planning, Assessment & Evaluation Staff Development Centre Sabaragamuwa University of Sri Lanka
• Statistical Design & Analysis of Experiments Conducted by Prof. R.O. Thattil ,University of Peradeniya At Faculty of Applied Sciences Sabaragamuwa University of Sri Lanka
• Workshop on "Inovative Teaching Methods" conducted by Staff Development Center - Sabaragamuwa University of Sri Lanka
• Training Programme on "Development Research Competencies" sponsered by HETC project, Ministry of Higher Education

Reviewer

• Articles reviewed at 8th Annual International Research Conference - 2019, FMC, SEUSL
• Articles reviewed at International Symposium 2019 (IntSym 2019), SEUSL
• Articles reviewed at 7th Annual International Research Conference - AIRC-2018

• Strategic Plan 2019-2023 of South Eastern University of Sri Lanka
• Curriculum Committee member - Faculty of Technology, SEUSL
• Faculty Research Management Committee - Faculty of Technology
• Programme Committee of Staff Training (PCST)
• Sub Committee for Institution Review 2019 - Internal Quality Assurance Unit

• Webmaster - South Eastern University of Sri Lanka (2018-2019)
• Chairman - Faculty Canteen Committee (2018-2019)
• Rapporteur - Session in "Internation Conference of Sabaragamuwa University of Sri Lanka - (ICSUSL-2017)"

• Student councellor (17.01.2018-16.01.2019)
• Marking Examiner for "Foundation Course - Information Technology, conducted by Center for Distance and Continuing Education, University of Peradeniya"