Onur Demirörs

Onur Demirörs
Professor

Prof. Dr. Onur Demirörs received his B.Sc. in Computer Engineering from Middle East Technical University. He got two M.Sc. degrees; one from Ege University in Izmir in 1990 and another from Southern Methodist University, Dallas Texas, USA in 1993. He received is Ph.D degree in the latter in 1995. After a lengthy and productive academic experience in the Southern Methodist University, Dokuz Eylul University and Middle East Technical University, he started at our department in 2017.

His research areas include software process improvement, process models: methods, tools, techniques, business process management, software quality management, software measurement, software project management and conceptual modelling.

  • B.Sc. : Computer Engineering, Middle East Technical University (1987)
  • M.Sc. : Computer Engineering, Ege University (1990)
  • M.Sc. : Computer Engineering, Southern Methodist University, USA (1993)
  • Ph.D. : Computer Engineering, Southern Methodist University, USA (1995)

Book Chapter

  • Yilmaz, G., Akcamete, A., Demirors, O., “An Assessment of BIM-CAREM Against the Selected BIM Capability Assessment Models,” Advances in Informatics and Computing in Civil and Construction Engineering, Springer, Cham, 2019.
  • Efe, P., Demirors, O., Gencel, C., “Background and overview of the COSMIC-ISO 19761: Mapping concepts of functional size measurement methods,” COSMIC Function Points: Theory and Advanced Practices, CRC Press, 2016.
  • Özkan, B., Albayrak, O., Demirors, O., “Software Quality and Model-Based Process Improvement,” Computing Handbook, 3rd ed.(1), CRC Press, 2014.
  • Dikici, P., Demirors, O., Gencel, C., “Mapping Concepts of Functional Size Measurement Methods,” COSMIC Function Points: Theory and Advanced Practices, CRC Press, 2011.
  • Kilic, O., Say, B., Demirors, O., “An Experimental Study on the Cognitive Characteristics of Modeling Notations,” Advances in Dynamic and Static Media for Interactive System, Blue Heron Publishing, 2011.
  • Ozkan, B., Demirors, O., “Formalization Studies in Functional Size Measurement,” Modern Software Engineering Concepts and Practices: Advanced Approaches, IGI Global, 2011.
  • Karagoz, N.A., Demirors, O., “Conceptual Modeling Notations and Techniques,” Conceptual Modelling for Discerete Event Simulation, CRC Press, 2010.
  • Celik Yesildoruk, F., Demirors, O., “Utilizing Process Definitions For Process Automation: A Comparative Study,” BPM Handbook, Workflow Management Coalition (WfMC) U.S.A, 2010.
  • Guceglioglu, S., Demirors, O., “PQMM: A New Model to Measure Business Process Quality,” BPM Handbook, Workflow Management Coalition (WfMC) U.S.A, 2008.
  • Demirors, O., Tarhan, A., Gencel, C., “Pre-Contract Challenges: Two Large System Acquisition Experiences,” Enterprise Architecture and Integration, IGI Global, 2007.
  • Tarhan, A., Gencel, C., Demirors, O., “Precontract challenges: Two large system acquisition experiences,” Enterprise Architecture and Integration: Methods, Implementation and Technologies, IGI Global, 2007.
  • Demirors, O., Demirors, E., Dikennelli, O., Keskin, B., “Process Improvement Towards ISO 9001 Certification in a Small Software Organisation,” Software Process Improvement, Wiley-IEEE Computer Society Press, 2001.

Journal Article

  • Akdur, D., Garousi, V., Demirors, O., “A survey on modeling and model-driven engineering practices in the embedded software industry,” Journal of Systems Architecture, 2019.
  • Turetken, O., Dikici, A., Vanderfeesten, I.T.P., Rompen, T.M.P., Demirors, O., “The influence of using collapsed sub-processes and groups on the understandability of business process models,” The International Journal of Business and Information Systems Engineering, 2019.
  • Top, O.O., Demirors, O., “Application of a software agility assessment model – AgilityMod in the field,” Computer Standards & Interfaces, 2019.
  • Garousi, V., Tarhan, A., Pfahl, D., Coşkunçay, A., Demirors, O., “Correlation of critical success factors with success of software projects: an empirical investigation,” Software Quality Journal, 2019.
  • Salmanoglu, M., Coskucay, A., Yildiz, A., Demirors, O., “An Exploratory Case Study for Assessing the Measurement Capability of an Agile Organization,” Software Quality Professional Magazine, vol.20, no.2, 2018.
  • Dikici, A., Turetken, O., Demirors, O., “Factors Influencing the Understandability of Process Models: A Systematic Literature Review,” Information and Software Technology, vol.93, 2018.
  • Aysolmaz, B., Leopold, H., Reijers, H.A., Demirors, O., “A Semi-automated Approach for Generating Natural Language Requirements Documents Based on Business Process Models,” Information and Software Technology, vol.93, 2018.
  • Usgarcı, A., Demirors, O., “Do staged maturity models result in organization-wide continuous process improvement? Insight from employees,” Computer Standards & Interfaces, January 2017.
  • Gokalp, E., Demirors, O., “Model Based Process Assessment for Public Financial and Physical Resource Management Processes,” Computer Standards & Interfaces, 2017.
  • Garousi, V., Coskuncay, A., Demirors, O., Yazici, A., “Cross-factor Analysis of Software Engineering Practices versus Practitioner Demographics: An exploratory Study in Turkey,” Journal of Systems and Software, vol.111, pp.49-73, 2016.
  • Garousi, V., Coskuncay, A., Betin-can, A., Demirors, O., “A survey of software engineering practices in Turkey,” Journal of Systems and Software, vol.108, pp.148-177, 2015.
  • Demirors, O., Coskuncay, A., “Software Development in Turkey,” IT Professional, pp.10-13, 2015.
  • Tanrıöver, O., Demirors, O., “A process capability based assessment model for software workforce in emergent software organizations,” Computer Standards & Interfaces, vol.37, pp.29-40, 2015.
  • Aysolmaz, B., Demirors, O., “Unified Process Modeling with UPROM Tool, Information Systems Engineering in Complex Environments,” Lecture Notes in Business Information Processing Series, vol.204, pp.250-266, 2015.
  • Yildiz, O., Demirors, O., “Healthcare quality indicators–a systematic review,” International journal of health care quality assurance, vol.27, no.3, pp.209-222, 2014.
  • Yildiz, O., Demirors, O., “Measuring healthcare process quality: Applications in public hospitals in Turkey,” Informatics for Health and Social Care, vol.38, no.2, pp.132-149, 2013.
  • Tarhan, A., Demirors, O., “Apply Qauntitative Management Now,” IEEE Software, 2012.
  • Tarhan, A., Demirors, O., “Investigating the Effect of Variations in Test Development Process: A Case from a Safety-Critical System,” Software Quality Journal, 2011.
  • Turetken, O., Demirors, O., “Plural: A Decentralized Business Process Modeling Method,” Information and Management, vol.48, no.6, pp.235-247, 2011.
  • Tunalilar, S., Demirors, O., “An Exploration of Functional Size based effort Estimation Models,” International Journal of Software Engineering and Knowledge Engineering, 2011.
  • Cuadrado-Gallego, J.J., Buglione, J.J., Dominguez-Alda, M.J., DeSevilla, M.F., DeMesa, J.A., Demirors, O., “An experimental study on the conversion between IFPUG and COSMIC functional size measurement units,” Information and Software Technology, vol.52, no.3, pp.347-357, 2010.
  • Demirors, O., Gencel, C., “Conceptual association of functional size measurement methods,” IEEE Software, vol.26, no.3, pp.71-78, 2009.
  • Gencel, C., Demirors, O., “Functional size measurement revisited,” ACM Transactions on Software Engineering and Methodology (TOSEM), vol.17, no.3, 2008.
  • Turetken, O., Demirors, O., “Process Modeling By Process Owners: A Decentralized Approach,” Software Process Improvement and Practice (Journal of Software Maintenance and Evolution: Research and Practice), vol.13, no.1, pp.75-87, 2008.
  • Demirors, O., Sargut, K.U., “Utilization of Statistical Process Control in Emergent Software Organizations: Pitfalls and Suggestions,” Software Quality Journal, vol.14, no.2, pp.135-157, 2006.
  • Demirors, O., Turetken, O., “People capability maturity model and human resource management systems: Do they benefit each other?,” Human Systems Management, vol.23, no.3, pp.179-190, 2004.
  • Demirors, O., Tarhan, A., Demirors, E., “Managing instructional software acquisition,” Software Process: Improvement and Practice (Journal of Software Maintenance and Evolution: Research and Practice), vol.6, no.4, pp.189-203, 2001.
  • Demirors, O., “Assumptions and difficulties of software quality movement,” Computer Standards & Interfaces, vol.21, no.2, pp.180, 1999.
  • Cooke, D., Demirors, O., Demirors, E., Gates, A., Kramer, B., Tanik, M.M., “Languages for the specification of software,” Journal of Systems and Software, vol.32, no.3, pp.269-308, 1996.
  • Frailey, D., Demirors, O., “Why not Let Software Engineers Define Their Processes?,” Software Process Improvement Forum, 1996.
  • Demirors, O., Rafrat, N., Tanik, M.M., “Obtaining N-queens solutions from magic squares and constructing magic squares from N-queens solutions,” Journal of Recreational Mathematics, vol.24, pp.272-280, 1992.

Conference Paper

  • Yilmaz, G., Akcamete, A., Demirors, O., “Adapting SPICE for Development of a Reference Model for Building Information Modeling - BIM-CAREM,” Software Process Improvement and Capability Determination, SPICE, 2018.
  • Erdem, S., Demirors, O., Rabhi, F., “Systematic Mapping Study on Process Mining in Agile Software Development,” Software Process Improvement and Capability Determination, SPICE, 2018.
  • Yürüm, O.R., Demirors, O., Rabhi, F., “A Comprehensive Evaluation of Agile Maturity Self-assessment Surveys,” Software Process Improvement and Capability Determination, SPICE, 2018.
  • Efe, P., Demirors, O., Benetallah, B., “Measuring Change in Software Projects Through an Earned Value Lens,” Software Process Improvement and Capability Determination, SPICE, 2018.
  • Omural, N.K., Demirors, O., “Exploring Reuse Levels in ERP projects in Search of an Effort Estimation Approach,” Proceedings of the 43th Euromicro Conference on Software Engineering and Advanced Applications, 2018.
  • Akdur, D., Demirors, O., Say, B., “Towards Modeling Patterns for Embedded Software Industry: Feedback from the Field,” Proceedings of the 43th Euromicro Conference on Software Engineering and Advanced Applications, 2018.
  • Ömüral, N.K., Demirörs, O., “Effort Estimation Methods for ERP Projects based on Function Points: A Case Study,” ACM International Conference Proceeding Series, 2017.
  • Salmanoglu, M., Hacaloglu, T., Demirörs, O., “Effort Estimation for Agile Software Development: Comparative Case Studies using COSMIC Functional Size Measurement and Story Points,” ACM International Conference Proceeding Series, 2017.
  • Ömüral, N.K., Demirörs, O., “Effort estimation for ERP projects - A systematic review,” Euromicro Conference on Software Engineering and Advanced Applications, SEAA, 2017.
  • Adalı, O.E., Top, O.O., Demirörs, O., “Assessment of agility in software organizations with a web-based agility assessment tool,” Euromicro Conference on Software Engineering and Advanced Applications, SEAA, 2017.
  • Gürbüz, Ö., Demirörs, O., “A comparison of process ontology discovery from organizational guidelines in two different languages,” Euromicro Conference on Software Engineering and Advanced Applications, SEAA, 2017.
  • Akdur, D., Demirörs, O., Garousi, V., “Characterizing the development and usage of diagrams in embedded software systems,” Euromicro Conference on Software Engineering and Advanced Applications, SEAA, 2017.
  • Yurum, O.R., Demirörs, O., “Agile maturity self-assessment surveys: A case study,” Euromicro Conference on Software Engineering and Advanced Applications, SEAA, 2017.
  • Türkdoğan, N., Güceğlioğlu, A.S., Demirörs, O., “Effects of overtime on efficiency in software engineering projects,” CEUR Workshop Proceedings, 2017.
  • Salmanoğlu, M., Demirörs, O., Çoşkunçay, A., Yıldız, A., “Exploration of a practical approach for assessing the measurement capability of software organizations,” Communications in Computer and Information Science, 2017.
  • Erdem, S., Demirörs, O., “An exploratory study on usage of process mining in agile software development,” Communications in Computer and Information Science, 2017.
  • Coşkunçay, A., Gürbüz, Ö., Demirörs, O., Ekinci, E.E., “PROMPTUM toolset: Tool support for integrated ontologies and process models,” Lecture Notes in Business Information Processing, 2017.
  • Akdur, A., Garousi, V., Demirörs, O., “Cross-factor analysis of software modeling practices versus practitioner demographics in the embedded software industry,” Mediterranean Conference on Embedded Computing, MEC, 2017.
  • Gürbüz, Ö., Demirörs, O., “From organizational guidelines to business process models: Exploratory case for an ontology based methodology,” IEEE Conference on Business Informatics, CBI, 2017.
  • Rabhi, F., Bandara, M., Namvar, A., Demirors, O., “Big Data Analytics Has Little to Do with Analytics,” Service Research and Innovation, ASSRI, 2017.
  • Özkan, B., Demirörs, O., “On the seven misconceptions about functional size measurement,” International Workshop on Software Measurement, IWSM 2016 and International Conference on Software Process and Product Measurement, Mensura 2016, 2016.
  • Ertuğrul, A.M., Demirörs, O., “A method for modeling business processes in a role-based and decentralized way,” ACM International Conference Proceeding Series, 2016.
  • Gökalp, E., Demirörs, O., “Towards a process capability assessment model for government domain,” Communications in Computer and Information Science, 2016.
  • Gökalp, E., Demirörs, O., “Developing process definition for financial and physical resource management process in government domain,” Communications in Computer and Information Science, 2016.
  • Adalı, O.E., Demirörs, O., “Evaluation of agility assessment tools: A multiple case study,” Communications in Computer and Information Science, 2016.
  • Salmanoğlu, M., Yıldız, A., Demirörs, O., “COSMIC islevsel yazilim büyüklügü ölçüm yönteminin kurumlarda uygulanmasinda dikkat edilmesi gereken noktalar,” CEUR Workshop Proceedings, 2016.
  • Akdur, D., Garousi, V., Demirörs, O., “Usage of software modeling and model-driven techniques in the embedded software industry: Turkey's position in the world,” CEUR Workshop Proceedings, 2016.
  • Yılmaz, G., Güngör, A.A., Demirörs, O., “Insaat Sektöründe kullanilan Bilgi ve Iletisim Teknolojileri,” CEUR Workshop Proceedings, 2016.
  • Gürbüz, Ö., Demirörs, O., “Süreç Ontolojisi Olusturma Yöntemi: Durum Çalismasi,” CEUR Workshop Proceedings, 2016.
  • Salmanoğlu, M., Yanık, B.D., Demir, F.N., Gürel, Z., Demirörs, O., “Yazilim kalite maliyetleri üzerine bir çalisma - Farkli sektörlerden proje incelemeleri,” CEUR Workshop Proceedings, 2015.
  • Top, Ö.Ö., Demirörs, O., “A reference model for software agility assessment: Agilitymod,” Communications in Computer and Information Science, 2015.
  • Uskarcı, A., Demirörs, O., “Causes of continuity and participation problems in process improvement with staged maturity models,” Communications in Computer and Information Science, 2015.
  • Gökalp, E., Demirörs, O., “Proposing an ISO/IEC 15504 based process improvement method for the government domain,” Communications in Computer and Information Science, 2015.
  • Aysolmaz, B., Demirörs, O., “Unified process modeling with UPROM tool,” Business Information Processing, 2015.
  • Ungan, E., Demirörs, O., “A functional software measurement approach to bridge the gap between problem and solution domains,” Lecture Notes in Business Information Processing, 2015.
  • Gökalp, E., Demirörs, O., “ISO/IEC 15504 standardinin devlet kurumlari için uyarlanmasi,” CEUR Workshop Proceedings, 2015.
  • Akdur, D., Garousi, V., Demirörs, O., “Gömülü sistem mühendisliginde kullanilan yazilim modellemesi ve model güdümlü teknikler anketi: Türkiye sonuçlari,” CEUR Workshop Proceedings, 2015.
  • Eren, Ö., Özkan, B., Demirörs, O., “PL FSM: An Approach and a Tool for the Application of FSM in SPL Environments,” Euromicro Conference on Software Engineering and Advanced Applications, SEAA, 2015.
  • Ertuğrul, A.M., Demirörs, O., “An exploratory study on role-based collaborative business process modeling approaches,” ACM International Conference Proceeding Series, 2015.
  • Çakar, B., Demirörs, O., “Transformation from eEPC to S-BPM: A case study,” Lecture Notes in Business Information Processing, 2014.
  • Salmanoğlu, M., Demirörs, O., Türetken, O., “Exploration of a Method for COSMIC Size Estimation from S-BPM,” Communications in Computer and Information Science, 2014.
  • Aysolmaz, B., Demirörs, O., “Deriving user requirements from business process models for automation: A case study,” IEEE International Workshop on the Interrelations Between Requirements Engineering and Business Process Management, REBPM, 2014.
  • Coşkunçay, A., Gürbüz, Ö., Demirörs, O., “İş süreç modellerinden ontolojiye dönüşüm: Bir durum çalişmasi,” CEUR Workshop Proceedings, 2014.
  • Eren, Ö., Özkan, B., Demirörs, O., “Yazilim ürün hatlari için otomatik işlevsel büyüklük ölçümü yaklaşimi,” CEUR Workshop Proceedings, 2014.
  • Yürüm, O.R., Top, Ö.Ö., Ertuğrul, A.M., Demirörs, O., “Yazilim süreç deʇerlendirme araçlarinin karşilaştirilmasi: Bir çoklu durum çalişmasi,” CEUR Workshop Proceedings, 2014.
  • Gürbüz, Ö., Güceğlioğlu, A.S., Demirörs, O., “Otomatik kalite ölçümü: Uygulama öncesinde süreç kalitesi ölçüm seti ile kamu kurumunda durum çalişmasi,” CEUR Workshop Proceedings, 2014.
  • Salmanoğlu, M., Demirörs, O., “COSMIC fonksiyonel büyüklük ölçüm yöntemi için bir hata önleme modeli,” CEUR Workshop Proceedings, 2014.
  • Gökalp, E., Demirörs, O., “Kamu kurumlari için süreç yetenek modeli geliştirilmesi',” CEUR Workshop Proceedings, 2014.
  • Yıldız, A., Coşkunçay, A., Demirörs, O., Seyrekbasan, İ., Altay, M., “Model bazlı süreç iyileştirme çalişmalarinin kurumlarda benimsenmesine yönelik bir anket çalişmasi,” CEUR Workshop Proceedings, 2014.
  • Ungan, E., Çizmeli, N., Demirörs, O., “Scrum uygulamalarnda işlevsel büyüklük tabanl, işgücü kestirimi ile hikaye puani tabanli işgücü kestiriminin karşilaştirlmasi,” CEUR Workshop Proceedings, 2014.
  • Aysolmaz, B., Demirörs, O., “Bütünleşik iş süreçleri modelleme yaklaşimi ile nitelikli şartname oluşturma: Bir durum çalişmasi,” CEUR Workshop Proceedings, 2014.
  • Yeşilada, Y., Can, A.B., Demirörs, O., “Turkish national software engineering symposium,” CEUR Workshop Proceedings, 2014.
  • Ungan, E., Çizmeli, N., Demirörs, O., “Comparison of functional size based estimation and story points, based on effort estimation effectiveness in SCRUM projects,” Euromicro Conference Series on Software Engineering and Advanced Applications, SEAA, 2014.
  • Aysolmaz, B., Demirörs, O., “Modeling business processes to generate artifacts for software development: A methodology,” International Workshop on Modeling in Software Engineering, MiSE, 2014.
  • Aysolmaz, B., Demirörs, O., “UPROM tool: A unified business process modeling tool for generating software life cycle artifacts,” CEUR Workshop Proceedings, 2014.
  • Aysolmaz, B., Demirörs, O., “Automated functional size estimation using business process models with UPROM method,” Joint Conference of the International Workshop on Software Measurement, IWSM and the International Conference on Software Process and Product Measurement, Mensura, 2014.
  • Ertuğrul, A.M., Yılmaz, G., Salmanoğlu, M., Demirörs, O., “The effect of highlighting error categories in FSM training on the accuracy of measurement,” Joint Conference of the International Workshop on Software Measurement, IWSM and the International Conference on Software Process and Product Measurement, Mensura, 2014.
  • Aslan, D., Tarhan, A., Demirörs, O., “How process enactment data affects product defectiveness prediction-a case study,” Studies in Computational Intelligence, 2014.
  • Türetken, O., Demirörs, O., “BusIness process modeling Pluralized,” Communications in Computer and Information Science, 2013.
  • Yılmaz, G., Tunalılar, S., Demirörs, O., “Towards the development of a defect detection tool for COSMIC functional size measurement,” Joint Conference of the International Workshop on Software Measurement and the International Conference on Software Process and Product Measurement, IWSM-MENSURA, 2013.
  • Demirörs, O., Tarhan, A., “Message from the program chairs,” Joint Conference of the International Workshop on Software Measurement and the International Conference on Software Process and Product Measurement, 2013.
  • Özcan, Top, Ö., Demirörs, O., “Assessment of Agile Maturity Models: A Multiple Case Study,” Communications in Computer and Information Science, 2013.
  • Efe, P., Demirörs, O., “Yazilim projelerinde kazanilmiş deʇer yönetimi kullanimi,” CEUR Workshop Proceedings, 2013.
  • Yılmaz, G., Tunalılar, S., Demirörs, O., “R-COVER: Yazilim büyüklük ölçümü hata tespit araci,” CEUR Workshop Proceedings, 2013.
  • Tabak, B.A., Demirörs, O., “Efor kestirim dogrulugu için tasarim büyüklügü ve problem büyüklügü karşilaştirilmasi,” CEUR Workshop Proceedings, 2013.
  • Garousi, V., Coşkunçay, A., Can, A.B., Demirörs, O., “Türkiye'deki yazilim test uygulamalari anketi,” CEUR Workshop Proceedings, 2013.
  • Aysolmaz, B., İren, D., Demirörs, O., “An effort prediction model based on BPM measures for process automation,” Lecture Notes in Business Information Processing, 2013.
  • Efe, P., Demirörs, O., “Applying EVM in a software company: Benefits and difficulties,” Euromicro Conference Series on Software Engineering and Advanced Applications, SEAA, 2013.
  • Karapıçak, C.M., Demirörs, O., “A Case Study on the Need to Consider Personality Types for Software Team Formation,” Communications in Computer and Information Science, 2013.
  • Demirörs, O., Türetken, O., “Message from the program chairs,” Euromicro Conference Series on Software Engineering and Advanced Applications, SEAA, 2013.
  • Demirörs, O., “Message from the general chair,” Joint Conference of the International Workshop on Software Measurement and the International Conference on Software Process and Product Measurement, IWSM-MENSURA, 2013.
  • Uskarcı, A., Demirörs, O., “A case study on employee perceptions of organization wide continuous process improvement activities,” Communications in Computer and Information Science, 2012.
  • Dikici, A., Türetken, O., Demirörs, O., “A case study on measuring process quality: Lessons learned,” EUROMICRO Conference on Software Engineering and Advanced Applications, SEAA, 2012.
  • Yıldız, O., Demirörs, O., “Measuring health care process quality with software quality measures,” Studies in Health Technology and Informatics, 2012.
  • Tunalılar, S., Demirörs, O., “EFES: An effort estimation methodology,” Proceedings of the 2012 Joint Conf. of the Int. Workshop on Software Measurement and the 2012 Int. Conf. on Software Process and Product Measurement, IWSM-MENSURA, 2012.
  • Salmanoğlu, M., Demirörs, O., “Exploration of an error prevention model for COSMIC functional size measurement method,” Proceedings of the 2012 Joint Conf. of the Int. Workshop on Software Measurement and the 2012 Int. Conf. on Software Process and Product Measurement, IWSM-MENSURA, 2012.
  • Demirörs, O., “Message from the general chair,” EUROMICRO Conference on Software Engineering and Advanced Applications, SEAA, 2012.
  • Demirörs, O., “Message from general chair,” Euromicro Conference on Digital System Design, DSD, 2012.
  • Güceğlioğlu, A.S., Demirörs, O., “The application of a new process quality measurement model for software process improvement initiatives,” International Conference on Quality Software, 2011.
  • Demirörs, O., Çelik, F., “Process modeling methodologies for improvement and automation,” IEEE International Conference on Quality and Reliability, ICQR, 2011.
  • Tarhan, A., Demirörs, O., “Assessment of software process and metrics to support quantitative understanding: Experience from an undefined task management process,” Communications in Computer and Information Science, 2011.
  • Uskarcı, A., Demirörs, O., “Do staged models enable organization wide continuous process improvement?,” IEEE International Conference on Quality and Reliability, ICQR, 2011.
  • Kaya, M., Demirörs, O., “E-cosmic: A business process model based functional size estimation approach,” EUROMICRO Conference on Software Engineering and Advanced Applications, SEAA, 2011.
  • Gürbüz, Ö., Güceğlioğlu, A.S., Demirörs, O., “Application of process quality measurement frameworks for human resource management processes,” IEEE International Conference on Quality and Reliability, ICQR, 2011.
  • Özcan, Top, Ö., Özkan, B., Nabi, M., Demirörs, O., “Internal and external software benchmark repository utilization for effort estimation,” Joint Conference of the International Workshop on Software Measurement, IWSM 2011 and the International Conference on Software Process and Product Measurement, MENSURA, 2011.
  • Özkaya, A., Ungan, E., Demirörs, O., “Common practices and problems in effort data collection in the software industry,” Joint Conference of the International Workshop on Software Measurement, IWSM 2011 and the International Conference on Software Process and Product Measurement, MENSURA, 2011.
  • Küçükyavuz, F., Karagöz, N.A., Demirörs, O., “Constructing bridges between mission space conceptual models and BOM,” Spring Simulation Interoperability Workshop, 2011 Spring SIW, 2011.
  • Aysolmaz, B., Demirörs, O., “A detailed Software Process Improvement methodology: BG-SPI,” Computer and Information Science, 2011.
  • Demirörs, O., Abran, A., “Message from the SM track chairs,” EUROMICRO Conference on Software Engineering and Advanced Applications, SEAA, 2011.
  • Usgurlu, B., Özcan, Top, Ö., Ungan, E., Demirörs, O., “A clustering based functional similarity measurement approach,” EUROMICRO Conference on Software Engineering and Advanced Applications, SEAA, 2010.
  • Özcan, Top, Ö., Demirörs, O., Özkan, B., “Reliability of COSMIC functional size measurement results: A multiple case study on industry cases,” Conference Proceedings of the EUROMICRO, 2009.
  • Yeşildoruk, F.Ç., Bozlu, B., Demirörs, O., “The tool coverage of software process improvement frameworks for small and medium sized enterprises,” Lecture Notes in Business Information Processing, 2009.
  • Ungan, E., Demirörs, O., Özcan, Top, Ö., “An experimental study on the reliability of COSMIC measurement results,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2009.
  • Akman, B., Demirörs, O., “Applicability of process discovery algorithms for software organizations,” Conference Proceedings of the EUROMICRO, 2009.
  • Tunalılar, S., Demirörs, O., “A comparison of neural network model and regression model approaches based on sub-functional components,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2009.
  • Özcan, Top, Ö., Demirörs, O., Türetken, O., “Making functional similarity count for more reliable effort prediction models,” International Symposium on Computer and Information Sciences, ISCIS, 2009.
  • Yıldız, O., Demirörs, O., “Adopting software quality measures for healthcare processes,” Studies in Health Technology and Informatics, 2009.
  • Özkan, B., Demirörs, O., “Formalization studies in functional size measurement: How do they help?,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2009.
  • Özkan, B., Türetken, O., Demirörs, O., “Software functional size: For cost estimation and more,” Communications in Computer and Information Science, 2008.
  • Türetken, O., Demirörs, O., “Process modeling by process owners: A decentralized approach,” Software Process Improvement and Practice, 2008.
  • Tarhan, A., Demirörs, O., “Assessment of software process and metrics to support quantitative understanding,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2008.
  • Türetken, O., Demirörs, O., Gencel, Ç., Özcan, Top, Ö., Özkan, B., “The effect of entity generalization on software functional sizing: A case study,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2008.
  • Özcan, Top, Ö., Tunalılar, S., Demirörs, O., “Evaluation of the effect of functional similarities on development effort,” EUROMICRO Conference on Software Engineering and Advanced Applications, SEAA, 2008.
  • Demirörs, O., Gencel, Ç., “Special session on software management,” EUROMICRO Conference on Software Engineering and Advanced Applications, SEAA, 2008.
  • Türetken, O., Özcan, Top, Ö., Özkan, B., Demirörs, O., “The impact of individual assumptions on functional size measurement,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2008.
  • Kılıç, Ö., Say, B., Demirörs, O., “Cognitive aspects of error finding on a simulation conceptual modeling notation,” International Symposium on Computer and Information Sciences, ISCIS, 2008.
  • Bozlu, B., Demirörs, O., “A conceptual modeling methodology: From conceptual model to design,” Simulation Interoperability Standards Organization - SISO European Simulation Interoperability Workshop, EURO SIW, 2008.
  • Demirörs, O., Gencel, Ç., “Message from the special sessions Chairs - Software management,” EUROMICRO Conference on Software Engineering and Advanced Applications, SEAA, 2007.
  • Gencel, Ç., Demirörs, O., “Conceptual Differences Among Functional Size Measurement Methods,” International Symposium on Empirical Software Engineering and Measurement, ESEM, 2007.
  • Türetken, O., Demirörs, O., “An approach for decentralized process modeling,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2007.
  • Kırbaş, S., Tarhan, A., Demirörs, O., “An assessment and analysis tool for statistical process control of software processes,” International SPICE Conference on Process Assessment and Improvement, SPICE, 2007.
  • Demirörs, O., Karagöz, N.A., Gencel, Ç., “Acquiring innovative software systems: Experiences from the field,” EUROMICRO Conference on Software Engineering and Advanced Applications, SEAA, 2007.
  • Demirörs, O., Karagöz, N.A., Gencel, Ç., “Acquiring innovative software systems: Experiences from the field,” EUROMICRO Conference on Software Engineering and Advanced Applications, SEAA, 2007.
  • Tarhan, A., Demirörs, O., “Investigating suitability of software process and metrics for statistical process control,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2006.
  • Demirörs, O., Gencel, Ç., Tarhan, A., “Challenges of acquisition planning,” Euromicro Conference on Software Engineering and Advanced Applications, SEAA, 2006.
  • Demirörs, O., Gencel, Ç., Tarhan, A., “Challenges of acquisition planning,” Euromicro Conference on Software Engineering and Advanced Applications, SEAA, 2006.
  • Alpay, Karagöz, N., Demirörs, O., “Developing conceptual models of the mission space (CMMS) - A metamodel based approach,” Simulation Interoperability Standards Organization - Spring Simulation Interoperability Workshop 2007, 07 Spring SIW, 2006.
  • Güceğlioğlu, A.S., Demirörs, O., “A process based model for measuring process quality attributes,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 2005.
  • Güceğlioğlu, A.S., Demirörs, O., “Using software quality characteristics to measure business process quality,” Lecture Notes in Computer Science, 2005.
  • Yanbaş, E., Demirörs, O., “A web-based review system and its usability in a small software organization,” IASTED International Multi-Conference on Applied Informatics, 2003.
  • Demirörs, O., Gencel, Ç., Tarhan, A., “Utilizing business process models for requirements elicitation,” Conference Proceedings of the EUROMICRO, 2003.
  • Demirörs, O., Güceğlioğlu, A.S., “Application of poor quality indicator model in an emergent software organization,” Conference Proceedings of the EUROMICRO, 2001.
  • Demirörs, O., Demirörs, E., Tarhan, A., Yıldız, A., “Tailoring ISO/IEC 12207 for instructional software development,” Conference Proceedings of the EUROMICRO, 2000.
  • Demirörs, O., Yıldız, O., Güceğlioğlu, A.S., “Using cost of software quality for a process improvement initiative,” Conference Proceedings of the EUROMICRO, 2000.
  • Tarhan, A., Demirörs, E., Demirörs, O., “A distributed tool for commitment specification and management,” Conference Proceedings of the EUROMICRO, 1999.
  • Demirörs, O., Demirörs, E., “Software process improvement in a small organization: Difficulties and suggestions,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 1998.
  • Demirörs, E., Demirörs, O., Dikenelli, O., Keskin, B., “Process improvement towards ISO 9001 certification in a small software organization,” International Conference on Software Engineering, 1998.
  • Demirörs, E., Demirörs, O., “A notation based on process product unification,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 1998.
  • Demirörs, O., Özgüven, H.N., “Assistance to develop indigenous software industry,” Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics), 1998.
  • Demirörs, E., Sarmaşık, G., Demirörs, O., “Role of teamwork in software development: Microsoft case study,” Proceedings of the EUROMICRO Conference, 1997.
  • Demirörs, O., “Assumptions and difficulties of software quality movement,” Conference Proceedings of the EUROMICRO, 1997.
  • Demirörs, O., Frailey, D.J., “Horizontal approach for software process improvement,” IEEE Computer Society's International Computer Software & Applications Conference, 1995.
  • Bayraktar, İ., Demirörs, E., Demirörs, O., Tanık, M.M., “Software prototyping with microstep,” Proceedings of the Second International Conference on Systems Integration, 1992.
  • Demirörs, E., Demirörs, O., Yin, W.P., Tanık, M.M., Yun, D.Y.Y., “Alternative software development model supporting software evolution,” Proceedings of the Second International Conference on Systems Integration, 1992.
  • Demirörs, E., Demirörs, O., Westerman, W., Tanık, M.M., “Processor management module specification of a real-time operating system. A system level specification exercise using DODAN,” American Society of Mechanical Engineers, Petroleum Division (Publication) PD, 1992.
  • Demirörs, E., Demirörs, O., Christiansen, M.G., Tanık, M.M., “System development with domain specific abstractions,” American Society of Mechanical Engineers, Petroleum Division (Publication) PD, 1992.
  • Orhun, E., Demirörs, O., “PC+ based oil pollution combating system,” American Society of Mechanical Engineers, Petroleum Division (Publication) PD, 1991.
  • Erbaş, C., Demirörs, O., Demirörs, E., Bayrak, C., Tanık, M.M., “Engineering problem specification using Smalltalk/V,” American Society of Mechanical Engineers, Petroleum Division (Publication) PD, 1991.

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  • IZTECH Computer Engineering Dept., Gulbahce, 35430 Urla, İzmir, Turkey
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  • onurdemirors@iyte.edu.tr
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