Onur Demirörs
Profesör / Bölüm Başkanı

Prof. Dr. Onur Demirörs lisans diplomasını Orta Doğu Teknik Üniversitesi, Bilgisayar Mühendisliği Bölümü’nden aldı. 1990’da Ege Üniveristesi, 1993’te ABD’de Southern Methodist Üniversitesi Bilgisayar Mühendiliği Bölümleri’nden yüksek lisans dereceleri elde etti. 1995’te ise yine Southern Methodist Üniversitesi’nde doktora çalışmalarını tamamladı. Bu üniversitede ve sonrasında Dokuz Eylül ve Orta Doğu Teknik Üniversiteleri’nde geçen uzun ve verimli bir akademik deneyimin ardından, 2017 yılında bölümümüze katıldı.

Araştırma alanları arasında yazılım süreç geliştirme ve süreç modelleri: metodlar, araçlar, yöntemler, iş süreç yönetimi, yazılım kalite yönetimi, yazılım ölçme, yazılım proje yönetimi ve kavramsal modelleme konuları bulunmaktadır.

 

  • B.Sc. : Bilgisayar Mühendisliği, Orta Doğu Teknik Üniversitesi (1987)
  • M.Sc. : Bilgisayar Mühendisliği, Ege Üniversitesi (1990)
  • M.Sc. : Bilgisayar Mühendisliği, Southern Methodist Üniversitesi, ABD (1993)
  • Ph.D. : Bilgisayar Mühendisliği, Southern Methodist Üniversitesi, ABD (1995)

2024

Hüseyin Ünlü; Dhia Eddine Kennouche; Görkem Kilinç Soylu; Onur Demirörs

Microservice-based projects in agile world: A structured interview Journal Article

Information and Software Technology, 165 , pp. 107334, 2024.

BibTeX

Tuna Hacaloğlu; Hüseyin Ünlü; Ali Yildiz; Onur Demirörs

Software Size Measurement: Bridging Research and Practice Journal Article

IEEE Software, 2024.

BibTeX

2023

Görkem Kilinç Soylu; Hüseyin Ünlü; Isra Shafique Ahmad; Onur Demirörs

Size Measurement and Effort Estimation in Microservice-based Projects: Results from Pakistan. Inproceedings

IWSM-Mensura, 2023.

BibTeX

Gokcen Yilmaz; Asli Akcamete; Onur Demirors

BIM-CAREM: Assessing the BIM capabilities of design, construction and facilities management processes in the construction industry Journal Article

Computers in Industry, 147 , pp. 103861, 2023.

BibTeX

Tuna Hacaloglu; Onur Demirors

An exploratory case study using events as a software size measure Journal Article

Information Technology and Management, 24 (3), pp. 293–312, 2023.

BibTeX

Hüseyin Ünlü; Ozan Raşit Yürüm; Özden Özcan-Top; Onur Demirörs

How Software Practitioners Perceive Work-Related Barriers and Benefits Based on their Educational Background: Insights from a Survey Study Journal Article

IEEE Software, 2023.

BibTeX

Görkem Kilinç Soylu; Onur Demirörs

An exploratory case study: using petri nets for modelling microservice-based systems Inproceedings

2023 49th Euromicro Conference on Software Engineering and Advanced Applications (SEAA), pp. 254–261, IEEE 2023.

BibTeX

Hüseyin Ünlü; Tuna Hacaloğlu; Neslihan Küçükateş Ömüral; Neslihan Çalişkanel; Onur Leblebici; Onur Demirörs

An exploratory case study on effort estimation in microservices Inproceedings

2023 49th Euromicro Conference on Software Engineering and Advanced Applications (SEAA), pp. 215–218, IEEE 2023.

BibTeX

Huseyin Unlu; Ozan Rasit Yurum; Ozden Ozcan-Top; Onur Demirors

How Software Practitioners Perceive Work-Related Barriers and Benefits Based on their Educational Background: Insights from a Survey Study Journal Article

IEEE Software, (01), pp. 1–10, 2023.

BibTeX

Hüseyin Ünlü; Onur Demirörs; Vahid Garousi

Readiness and maturity models for Industry 4.0: A systematic literature review Journal Article

Journal of Software: Evolution and Process, pp. e2641, 2023.

BibTeX

2022

Hüseyin Ünlü; Burak Bilgin; Onur Demirörs

A survey on organizational choices for microservice-based software architectures Journal Article

Turkish Journal of Electrical Engineering and Computer Sciences, 30 (4), pp. 1187–1203, 2022.

BibTeX

Ahmet Coşkunçay; Onur Demirörs

A method for integrated business process modeling and ontology development Journal Article

Business Process Management Journal, 28 (3), pp. 606–629, 2022.

BibTeX

Hüseyin Ünlü; Ali Yildiz; Onur Demirórs

Effort prediction with limited data: A case study for data warehouse projects Inproceedings

2022 48th Euromicro Conference on Software Engineering and Advanced Applications (SEAA), pp. 233–238, IEEE 2022.

BibTeX

Hüseyin Ünlü; Tuna Hacaloglu; Fatma Büber; Kivilcim Berrak; Onur Leblebici; Onur Demirörs

Utilization of three software size measures for effort estimation in agile world: A case study Inproceedings

2022 48th Euromicro Conference on Software Engineering and Advanced Applications (SEAA), pp. 239–246, IEEE 2022.

BibTeX

2021

Deniz Akdur; Bilge Say; Onur Demirörs

Modeling cultures of the embedded software industry: feedback from the field Journal Article

Software and Systems Modeling, 20 (2), pp. 447–467, 2021.

BibTeX

Huseyin Unlu; Samet Tenekeci; Ali Yıldız; Onur Demirors

Event Oriented vs Object Oriented Analysis for Microservice Architecture: An Exploratory Case Study Inproceedings

2021 47th Euromicro Conference on Software Engineering and Advanced Applications (SEAA), pp. 244-251, 2021.

Links | BibTeX

Deniz Akdur; Bilge Say; Onur Demirörs

Modeling cultures of the embedded software industry: feedback from the field Journal Article

Software and Systems Modeling, 20 (2), pp. 447–467, 2021.

BibTeX

Hüseyin Ünlü; Tuna Hacaloğlu; Onur Leblebici; Onur Demirörs

Effort Prediction for Microservices: A Case Study Inproceedings

2021 15th Turkish National Software Engineering Symposium (UYMS), pp. 1–6, IEEE 2021.

BibTeX

Hüseyin Ünlü; Ali Görkem Yalçın; Dilek Öztürk; Güliz Akkaya; Mert Kalecik; Nazım Umut Ekici; Oğuzhan Orhan; Okan Çiftçi; Selen Yumlu; Onur Demirörs

Software Effort Estimation Using ISBSG Dataset: Multiple Case Studies Inproceedings

2021 15th Turkish National Software Engineering Symposium (UYMS), pp. 1–6, IEEE 2021.

BibTeX

2020

Ebru Gökalp; Onur Demirörs; P Erhan Eren

Public personnel management process capability assessment Journal Article

Public Personnel Management, 49 (1), pp. 111–140, 2020.

BibTeX

Deniz Akdur; Onur Demirörs

Systematic Reviews in Model-Driven Engineering: A Tertiary Study Journal Article

Journal of Aeronautics and Space Technologies, 13 (1), pp. 57–68, 2020.

BibTeX

  • Mikroservis Tabanlı Mimariler İçin Büyüklük Ölçüm Yöntemi Ve Ölçüm Otomasyon Aracı, TÜBİTAK ARDEB 1001
  • B.Sc. : Bilgisayar Mühendisliği, Orta Doğu Teknik Üniversitesi (1987)
  • M.Sc. : Bilgisayar Mühendisliği, Ege Üniversitesi (1990)
  • M.Sc. : Bilgisayar Mühendisliği, Southern Methodist Üniversitesi, ABD (1993)
  • Ph.D. : Bilgisayar Mühendisliği, Southern Methodist Üniversitesi, ABD (1995)

Makale

  • 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.
  • 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.
  • 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.
  • Yılmaz, G., Akçamete, A., Demirörs, O., “A reference model for BIM capability assessments,” Automation in Construction, vol.101, pp.245-263, May 2019.
  • Gökalp, E., Demirörs, O., Erhan Eren P., “Public Personnel Management Process Capability Assessment,” Public Personnel Management, 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Özkan, B., Albayrak, O., Demirors, O., “Software Quality and Model-Based Process Improvement,” Computing Handbook, 3rd ed.(1), CRC Press, 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.
  • 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.
  • 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.
  • Tarhan, A., Demirors, O., “Apply Qauntitative Management Now,” IEEE Software, 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • Demirors, O., Gencel, C., “Conceptual association of functional size measurement methods,” IEEE Software, vol.26, no.3, pp.71-78, 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.
  • 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.
  • Guceglioglu, S., Demirors, O., “PQMM: A New Model to Measure Business Process Quality,” BPM Handbook, Workflow Management Coalition (WfMC) U.S.A, 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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.
  • 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., 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.
  • 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.
  • Demirors, O., “Assumptions and difficulties of software quality movement,” Computer Standards & Interfaces, vol.21, no.2, pp.180, 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.
  • 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.
  • 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.
  • 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.
  • 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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