1. Resource person for National Education Institute (NIE) and Ministry of Education 2. Software development consultant for private and public institutes in Sri Lanka
N. Algiriyage , R. Sampath , C. Pushpakumara , G. Wijayarathna (2014), "A simulation approach for reduced outpatient waiting time", International Conference on Advances in ICT for Emerging Regions (ICTer2014), Colombo, Sri Lanka (Accepted).
Upul Bandara, Gamini Wijayarathna (2013), "Deep neural networks for source code author identification", Neural Information Processing Lecture Notes in Computer Science, Volume 8227, 2013, pp 368-375, Springer and Verlag.
Saman Koswatte, Jagath Gunatilake and Gamini Wijayaratne, (2012) "TODAY’S GIS CHALLENGES FOR BETTER FUTURE", FTN Symposium: “Future Research Needs of a Developing Sri Lanka: Concepts, Trends and Vision, 25th November 2012, Colombo, Sri Lanka.
R Hewapathirana, G Wijayarathna, (2010) Spatiotemporal Antibiotic Resistance Pattern Monitoring using GIS based Hierarchical Cluster Analysis, 13th World Congress on Medical and Health Informatics Medinfo 2010 Cape Town International Convention Centre, Cape Town, South Africa 12-15th September 2010.
Roshan Hewapathirana and Gamini Wijayarathna, (2009) GIS-enabled Disease Surveillance Architecture, For National Disease Notification System, December, 2009.
Nirmala Jayawardena, Gamini Wijayarathna, and Jagath Gunathilake, (2009) GIS BASED DECISION MAKING SYSTEM FOR AGRICULTURE, 8th Annual Asian Conference and Exhibition on Geospatial Information(MAPASIA2009), Technology and Applications Suntec Singapore International Convention & Exhibition Center, Singapore 18-20 August 2009.
Prasad Senadheera and Gamini Wijayarathna, (2005) CHEP: A computer program to find specific protein motifs implemented for CTL epitopes, Proceedings of the 61st annual session (Part I - Abstracts), Sri Lanka Association for the Advancement of Science , Page 52, December 12-17, 2005.
Wijayasiriwardhane H.K.T.K, Wijayarathna P.G. and Karunarathna D.D, (2004) "A Method to Generate Test Cases for Performing Basis Path Testing", Proceedings of the 6th International Information Technology Conference , (IITC 2004 - Colombo, November 29th to December 1st 2004), Pages 112-120, 2004.
P. G. Wijayarathna and M. Maekawa, Extending fault trees with an AND-THEN gate, Proceedings of the 11th International Symposium on Software Reliability Engineering (ISSRE'2000), Page 283- 292, IEEE Computer Society Press, 2000 (San Jose, CA - October 8-11, 2000)
P. G. Wijayarathna, A. Santosa, K. Isogai, Y. Kawata and M. Maekawa, (1997) Representing relative temporal knowledge with the tand connective, Eighth Ireland Conference on Artificial Intelligence (AI-97), Magee College, University of Ulster, Derry/Londonderry, Northern Ireland Conference Proceedings, Vol. 2, Page 80 - 87, September 1997. [PDF] from psu.edu