W1. Omar Badreddin, Arnon Sturn, Timothy C. Lethbridge. “Requirement Traceability: A Model-based Approach”. In Proceedings of The Fourth International Model-Driven Requirements Engineering (MoDRE), 2014.

W2. Omar Badreddin, Liam Peyton. “Patient Flow Monitoring Systems: Investigation of Alternatives“. In pre-proceedings of FHIES/SEHC 2014 : Symposium on Foundations of Health Information Engineering and Systems (FHIES) and the Software Engineering in Healthcare (SEHC).

W3. Omar Badreddin, Gunter Mussbacher, Daniel Amyot, Saeed Ahmadi Behnam, Rouzbahan Rashidi-Tabrizi, Edna Braun, Mohammad Alhaj and Gregory Richards. “Regulation-Based Dimensional Modeling for Regulatory Intelligence“. RELAW 2013, Sixth International Workshop on Requirements Engineering and Law.

W4. Omar Badreddin, “Empirical Evaluation of Research Prototypes at Variable Stages of Maturity”, User Evaluations for Software Engineering Researchers (USER), 2013 2nd International Workshop on, 10.1109/USER.2013.6603076. 2013 , Pages: 1- 4.

W5. Omar Badreddin, Timothy C. Lethbridge, “Model Oriented Programming: Bridging the Code-Model Divide”. ICSE Workshop on Modeling in Software Engineering, 2013, Modeling in Software Engineering (MiSE), 2013 5th International Workshop on, 10.1109/MiSE.2013.6595299. 2013 , Pages: 69 – 75.

W6. Saeed Ahmadi Behnam, Omar Badreddin, “Toward a Care Process Metamodel”. ICSE Workshop on Software Engineering in Health Care, 2013.

W7.  Omar Badreddin, Timothy C. Lethbridge. Combining Experiments and Grounded Theory to Evaluate a Research Prototype: Lessons from the Umple Model-Oriented Programming Technology. ICSE Workshop on User Evaluation for Software Engineering Researchers (USER), 2012. 10.1109/USER.2012.6226575.

W8. Timothy C. Lethbridge, Gunter Mussbacher, Andrew Forward, Omar Badreddin. Teaching UML Using Umple: Applying Model-Oriented Programming in the Classroom. In Proceedings of CSEE&T 2011, co-located with ICSE 2011. Pages 421-428. DOI: 10.1109/CSEET.2011.5876118. Available: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5876118&tag=1

W9. Omar Badreddin, Timothy C. Lethbridge. A Study of Applying a Research Prototype Tool in Industrial Practice. Proceedings of the eighteenth ACM SIGSOFT international symposium on Foundations of software engineering. Pages 353-356 . ACM New York, NY, USA ©2010. Available: http://dl.acm.org/citation.cfm?id=1882345

W10. Andrew Forward, Omar Badreddin and Timothy C. Lethbridge. Umple: Towards Combining Model Driven with Prototype Driven System Development, 21st IEEE International Symposium on Rapid System Prototyping (RSP), 2010. Pages 1-7. Available: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5656338

W11. Timothy C. Lethbridge, Andrew Forward, Omar Badreddin. Problems and Opportunities for Model-Centric vs. Code-Centric Development: A Survey of Software Professionals, in the proceedings of C2M:EEMDD 2010. Available: http://www.esi.es/modelplex/c2m/docum/C2M2010_survey.pdf