Selected Research Outputs:
(AI-enabled Software Development)
T.G.Erdogan, H.Altunel, A.Kolukısa-Tarhan, "A process model for AI-enabled software development: a synthesis from validation studies in white literature", Journal of Software: Evolution and Process, 2024 (published).
T.G.Erdogan, H.Altunel, A.Kolukısa-Tarhan, "Tools/frameworks that support development process of AI-based software: validations in white literature", in proceedings of the 31st International Workshop on Software Measurement (IWSM) and the 16th International Conference on Software Process and Product Measurement (MENSURA), CEUR Proceedings, (published).
(Software Process Assessment)
D.Savaş, E.Gokalp, A.Kolukısa-Tarhan, "Capability Assessment of Software Product Line Processes in Defense Industry", in proceedings of The 8th International Conference on Computer Science and Engineering (UBMK 2021), IEEE CPS (10.1109/UBMK52708.2021.9558973).
A.Tarhan and G.Giray, "On the Use of Ontologies in Software Process Assessment: A Systematic Literature Review", in proceedings of Evaluation and Assessment in Software Engineering (EASE 2017), ACM, pp. 2-11.
T.G.Erdoğan, A.Tarhan, and N.A.Karagoz, “An Integrated Infrastructure Using Process mining Techniques for Software Process Verification”, Uncovering Essential Software Artifacts through Business Process Archaeology, Idea Group Inc., 2013.
S.Gazel, E.A.Sezer, and A.Tarhan, “An Ontology Based Infrastructure To Support CMMI-Based Software Process Assessment”, Gazi University Journal of Science, vol 25, no 1, sf.155-164, 2012. (published)
(Software Process Improvement)
M.Söylemez and A.Tarhan. "Challenges of Software Process and Product Quality Improvement: Catalyzing Defect Root-Cause Investigation by Process Enactment Data Analysis", Software Quality Journal, 26 (2), 779-807, 2018. Doi: 10.1007/s11219-016-9334-6. (read-only) (published)
A.Tarhan and O.Demirörs, “Apply Quantitative Management Now”, IEEE Software, Vol.29, Issue: 3, pp.77-85, May/June 2012. (published)
A.Tarhan and O.Demirörs, “Assessment of Software Process and Metrics to Support Quantitative Understanding”, Software Process and Product Measurement, Springer LNCS (Lecture Notes in Computer Science), vol. 4895, pp. 102-113, 2008. (published)
A.Tarhan and O.Demirörs, “Investigating Suitability of Software Process and Metrics for Statistical Process Control”, Software Process Improvement, pp. 88-99, Springer LNCS (Lecture Notes in Computer Science), vol. 4257, 2006. (published)
(Software Test Effectiveness)
G.Güngör, A.Kolukısa-Tarhan, "A Maturity Model Guidance Approach for Integration Testing of Avionics Software", 32nd International Workshop on Software Measurement (IWSM) and the 17th International Conference on Software Process and Product Measurement (MENSURA), 14-15 Sep 2023, Rome, Italy (CEUR Proceedings, Vol. 3543, published).
U.Yilmaz and A.Tarhan, "A Case Study to Compare Regression Test Selection Techniques on Open-Source Software Projects (Açık Kaynak Kodlu Yazılım Projelerinde Regresyon Test Seçim Tekniklerinin Karşılaştırılması için Bir Vaka Çalışması)", Yazılım Test Mühendisliği Alt Alanı, XII. Ulusal Yazılım Mühendisliği Sempozyumu, 10-12 Eylül 2018, İstanbul (in CEUR Proceedings, Vol. 2201, Paper87).
A.Tarhan and O.Demirörs, “Investigating the Effect of Variations in Test Development Process: A Case from a Safety-Critical System”, Software Quality Journal, cilt 19, sayı 4, sf. 615-642, 2011. (published)
(Agile Software Development)
N.Ozkan, A.Kolukısa-Tarhan, İ.Filiz, E.Özer, and B.Gören, "Harmonizing IT Frameworks and Agile Methods: Challenges and Solutions for the case of COBIT and Scrum", in proceedings of the 4th International Conference on Lean and Agile Software Development (LASD'20), IEEE CPS (10.15439/2020F47).
N.Ozkan and A.Kolukısa-Tarhan, "Evaluation of Scrum-based Agile Scaling Models for Causes of Scalability Challenges", in proceedings of Evaluation of Novel Approaches to Software Engineering (ENASE) 2020, pp. 365-272 (ENASE20-RP-31).
N.Ozkan and A.Tarhan, "A Review of Scaling Approaches to Agile Software Development Models", Software Quality Professional, Sept. 2019 (published).
N.Ozkan and A.Kolukısa-Tarhan, "Investigating Challenges of Scalability in Agile Software Development from a Design Perspective", in proceedings of The 36th National Informatics Congress and The 1st International Informatics and Software Engineering Conference (UBMYK 2019), IEEE CPS (10.1109/UBMYK48245.2019.8965633).
N.Ozkan ve A.Tarhan, "An Investigation into Increased Agility by Balancing Agile and Traditional Process Approaches (Çevikliği Arttırmak İçin Çevik ve Geleneksel Süreç Yaklaşımlarını Dengelemeye Yönelik Bir İnceleme)", XII. Ulusal Yazılım Mühendisliği Sempozyumu, 10-12 Eylül 2018, İstanbul (in CEUR Proceedings, Vol. 2201, Paper37).
N.Ozkan, A.Tarhan, and C.Kucuk. "SCRUM at Scale in a COBIT Compliant Environment: The Case of Turkiye Finans IT", Industry & Practice, XP Conference 2017, May 22-26, Cologne, Germany.
A.Tarhan and S.G.Yilmaz. "Systematic Analyses and Comparison of the Development Performance and Product Quality of Incremental Process and Agile Process", Information & Software Technology, 56(5): 477-494, 2014. (published)
(Business Process Modeling & Software Requirements Elicitation)
A.Tarhan, Ç.Gencel, and O.Demirörs, “Pre-Contract Challenges: Two Large System Acquisition Experiences”, Chapter 4, pp.51-73, Enterprise Architecture and Integration, 2007 (ISBN: 978-1-59140-887-1), IGI Global, Information Science Reference, Hershey-NY.
O.Demirörs, Ç.Gencel, and A.Tarhan, “Challenges of Acquisition Planning - Two Large System Acquisition Experiences”, in Proceedings of Euromicro Conference, pp. 256-263, 2006. (published)
O.Demirörs, Ç.Gencel, and A.Tarhan. “Utilizing Business Process Models for Requirements Elicitation: A Large System Acquisition Experience”, in Proceedings of the 29th Euromicro Conference, pp. 409-412, 2003. (published)
Selected Research Outputs:
(Open Source Software Quality)
N.Yılmaz and A.Kolukısa-Tarhan, "Quality Evaluation Meta-model for Open Source Software: Multi-method Validation Study", Software Quality Journal, 32: 487-541, 2024 (published).
N.Yilmaz and A.Kolukısa-Tarhan, "Matching Terms of Quality Models and Meta-models: Towards a Unified Meta-model of OSS Quality", Software Quality Journal, 31: 721-773, 2023 (published).
N.Yılmaz and A.Kolukısa-Tarhan, "Quality Evaluation Models or Frameworks for Open Source Software: A Systematic Literature Review", Journal of Software: Evolution and Process, 34 (6), e2458, 2022. (published).
N.Yilmaz and A.Kolukısa-Tarhan, "Meta-models for Software Quality and Its Evaluation: A Systematic Literature Review", in proceedings of the 30th International Workshop on Software Measurement (IWSM) and the 15th International Conference on Software Process and Product Measurement (MENSURA) (CEUR Proceedings, Vol. 2725, Paper16).
B.Gezici, N.Bölücü, A.Tarhan, and B.C.Buğlalılar, "Neural Sentiment Analysis of User Reviews to Predict User Ratings", in proceedings of The 4th International Conference on Computer Science and Engineering (UBMK 2019), IEEE CPS (10.1109/UBMK.2019.8907234).
E.Hanoğlu and A.Tarhan, "An Empirical Study on the Relationship between Open Source Software Success and Test Effort", in proceedings of The 4th International Conference on Computer Science and Engineering (UBMK 2019), IEEE CPS (10.1109/UBMK.2019.8907012).
B.Gezici, N.Ozdemir, N.Yilmaz, E.Coskun, A.Tarhan, and O.Chouseinoglou, "Quality and Success in Open Source Software: A Systematic Mapping", in proceedings of The 45th Euromicro Conference on Software Engineering and Advanced Applications (SEAA 2019), IEEE CPS (10.1109/SEAA.2019.00062).
N.Yılmaz and A.Tarhan. "A Two-dimensional Method for Evaluating Maintainability and Reliability of Open Source Software " (in Turkish), Journal of the Faculty of Engineering and Architecture of Gazi University, Vol.34, Issue 4, pp. 1807-1829, 2019 (published).
(AI-enabled Software Product Quality)
B.Gezici and A.Kolukısa-Tarhan, "Explainable AI Framework For Software Defect Prediction", Journal of Software: Evolution and Process, 2025 (published).
M. Canpolat Şahin, and A. Kolukısa-Tarhan (2025), "Evaluation and Selection of Hardware and AI Models for Edge Applications: A Method and A Case Study on UAVs", Applied Sciences, 15(3), 1026 (published).
M. Canpolat Şahin, and A. Kolukısa-Tarhan, A Multi‐Perspective Review on Embedded Systems Quality: State of the Field, Challenges, and Research Directions, Journal of Software: Evolution and Process 37 (3), e70007, 2025 (published).
B.Gezici, M.Özdeş, A.Kolukısa-Tarhan, "An Investigation on the Explainability of Tree-based Machine Learning Models", The 16th Turkish National Software Engineering Symposium (UYMS 2023), Erzurum (to appear).
M.Ö. Demir, B. Gezici and A. Kolukısa-Tarhan, "Assessing The Explainability of Lgbm Model For Effort Estimation on ISBSG Dataset," 2023 4th International Informatics and Software Engineering Conference (IISEC), Ankara, Turkiye, 2023, pp. 1-6 (published).
B.Gezici and A.Kolukısa-Tarhan, "Systematic Literature Review on Software Quality for AI-based Software", Emprical Software Engineering, 27 (66), 2022 (published).
B.Gezici, A.Kolukısa-Tarhan, "Explainable AI for Software Defect Prediction with Gradient Boosting classifier", in proceedings of The 7th International Conference on Computer Science and Engineering (UBMK 2022), IEEE CPS (published).
(Software Defect Prediction)
R.Ozakinci, A.Kolukısa-Tarhan, "A Decision Analysis Approach for Selecting Software Defect Prediction Method in the Early Phases", Software Quality Journal, 31: 121-177, 2023 (published).
R.Özakıncı and A.Tarhan, "An Evaluation Approach for Selecting Suitable Defect Prediction Method at Early Phases", in proceedings of The 45th Euromicro Conference on Software Engineering and Advanced Applications (SEAA 2019), IEEE CPS (10.1109/SEAA.2019.00040).
R.Özakıncı and A.Tarhan. "Early Software Defect Prediction: A Systematic Map and Review", Journal of Systems and Software, 144: 216-239, 2018. (published)
R.Özakıncı and A.Tarhan. "The Role of Process in Early Software Defect Prediction: Methods, Attributes, and Metrics", in proceedings of The 16th International SPICE Conference, 2016, Springer CCIS (Communications in Computer and Information Science), vol. 609, pp. 287-300. (10.1007/978-3-319-38980-6_21) (preprint)
A.Aydin and A.Tarhan. "Investigating Defect Prediction Models for Iterative Software Development When Phase Data is not Recorded: Lessons Learned", in proceedings of the 9th International Conference on Evaluation of Novel Approaches to Software Engineering (ENASE), 2014 (link).
D.Aslan, A.Tarhan, and O.Demirors. "How Process Enactment Data Affects Product Defectiveness Prediction - A Case Study", Software Engineering Research, Management and Applications, Studies in Computational Intelligence, vol. 496, pp.151-166, Springer, 2014. (10.1007/978-3-319-00948-3_10)
(Quality in Software Evolution)
B.Gezici, A.Tarhan and O.Chouseinoglou. "Internal and External Quality in the Evoluton of Mobile Software: An Exploratory Study in Open-Source Market", Information and Software Technology, Issue 112, pp. 178-200, 2019 (published).
B.Gezici, A.Tarhan and O.Chouseinoglou. "Complexity, Size and Internal Quality in the Evolution of Mobile Applications: An Exploratory Study" (in Turkish), Journal of the Faculty of Engineering and Architecture of Gazi University, Vol. 34, Issue 3, pp. 1483-1500, 2019 (published).
(Software Architecture)
M.Ö.Demir, O.Chouseinoglou, and A.Kolukısa-Tarhan, "Factors affecting architectural decision-making process and challenges in software projects: An industrial survey", Journal of Software: Evolution and Process, 2024 (published).
M.Söylemez, B.Tekinerdoğan, A.Kolukısa-Tarhan, "Microservice Reference Architecture Design: A Multi‐case Study", Journal of Software: Practice and Experience, 54: 58–84, 2024 (published).
M.Söylemez, B.Tekinerdoğan, A.Kolukısa-Tarhan, "Challenges and Solution Directions of Microservice Architectures: A Systematic Literature Review", Applied Sciences, 12 (11), 5507, 2022 (published).
M.Söylemez, B.Tekinerdoğan, A.Kolukısa-Tarhan, "Feature-Driven Characterization of Microservice Architectures: A Survey Study of the State-of-the-Practice", Applied Sciences (Special Issue Software Engineering: Computer Science and System), 12 (9): 1-20, 4424, 2022 (published).
Selected Research Outputs:
(Business Process Maturity)
A.Tarhan, O.Turetken, and H.A.Reijers. "Business Process Maturity Models: A Systematic Literature Review", Information & Software Technology, vol.75, pp. 122-134, July 2016 (author version) (published).
A.Tarhan and O.Turetken (2016). "Critical Success Factors of Business Process Management: Investigating the Coverage of Business Process (Management) Maturity Models", Technical Report, Zenodo, https://doi.org/10.5281/zenodo.3604451.
A.Tarhan, O.Turetken, and F.İlisulu. "Business Process Maturity Assessment: State of the Art and Key Characteristics", in proceedings of The 41th Euromicro Conference on Software Engineering and Advanced Applications (SEAA 2015), pp. 430-437, IEEE CPS. (10.1109/SEAA.2015.50)
A.Tarhan, O.Turetken, and H.A.Reijers. "Do Mature Business Processes Lead To Improved Performance? - A Review of the Empirical Evidence", in proceedings of European Conference on Information Systems (ECIS 2015), AIS Electronic Library. (10.18151/7217495)
(Healthcare Process Maturity)
Ayça K. Tarhan, V.Garousi, O.Turetken, M.Söylemez, and S.Garossi, "Maturity assessment and maturity models in healthcare: A multivocal literature review", Digital Health, Vol 6, pp. 1-20, 2020 (https://doi.org/10.1177/2055207620914772).
M.Söylemez and A.Tarhan, "A Review and Comparison of Maturity/Capability Frameworks for Healthcare Process Assessment and Improvement", Software Quality Professional, 19 (2), ASQ, 2017 (published).
M.Söylemez and A.Tarhan. "The Use of Maturity/Capability Frameworks for Healthcare Process Assessment and Improvement", in proceedings of The 16th International SPICE Conference, 2016, Springer CCIS (Communications in Computer and Information Science), vol. 609, pp. 31-42. (published)
A.Tarhan, O. Turetken, and F.J.H.M. van den Biggelaar. "Assessing Healthcare Process Maturity: Challenges Of Using A Business Process Maturity Model", in proceedings of Process-oriented approach for patient-centered care delivery (ProCare 2015) Workshop organized within Pervasive Health Conference. (published)
(Smart Grid Maturity)
F.İlisulu, A.Kolukısa-Tarhan, and K.Kavak, "Demand Response Process Assessment Model: Development and Case Study Assessment", Computers: Standards and Interfaces, 2021 (https://doi.org/10.1016/j.csi.2021.103609).
F.İlisulu, A.K.Tarhan, and K.Kavak, "Akıllı Şebeke Olgunluk Modeli ve Uygulamaları (EN. Smart Grid Maturity Model and Applications"), Ulusalararası Bilişim Teknolojileri Dergisi, Vol. 13, Issue 2, pp. 123-136, 2020 (https://doi.org/10.17671/gazibtd.533221).
Selected Research Outputs:
A. Telli, T. G. Erdogan and A. Kolukısa, "Detecting Novel Behavior and Process Enhancement with Multimodal Process Mining," 2023 4th International Informatics and Software Engineering Conference (IISEC), Ankara, Turkiye, 2023, pp. 1-6, IEEE CPS (10.1109/IISEC59749.2023.10391012).
B.Ekici, A.Tarhan, and A.Özsoy, "Data Cleaning for Process Mining with Smart Contract", in proceedings of The 4th International Conference on Computer Science and Engineering (UBMK 2019), IEEE CPS (10.1109/UBMK.2019.8907140).
(Privacy in PM)
İ.İleri, T.G.Erdoğan, A.Kolukısa-Tarhan, "A Goal-Oriented Evaluation Methodology for Privacy-Preserving Process Mining", Applied Sciences, 15(14):7810 2025 (published).
İ.İleri, T.G.Erdoğan and A.Kolukısa-Tarhan, "Privacy for Process Mining: A Systematic Literature Review", IEEE Access, vol. 13, pp. 83171-83194, 2025 (published).
(PM in Healthcare Domain)
M.N.Tiftik, T.Erdogan, and A.Kolukısa-Tarhan, "A framework for multi-perspective process mining into a BPMN process model", Journal Mathematical Biosciences and Engineering (SI: Computational Methods for Process Mining in Healthcare), 19 (11): 11800-11820, 2022. (published)
B.Ekici, T.Erdogan, and A.Kolukısa-Tarhan, "BPMN Data Model For Multi-Perspective Process Mining On Blockchain", Int'l Journal of Software Engineering and Knowledge Engineering (IJSEKE), 32 (2): 317-345, 2021. (published)
T.Erdogan and A.Kolukısa-Tarhan, "Multi-Perspective Process Mining for Emergency Process", Health Informatics Journal, 18 (1), 2022. (published)
T.Erdogan and A.Tarhan. "A Goal-Driven Evaluation Method Based on Process Mining for Healthcare Processes", Applied Sciences, 8(6), pp. 894, 2018. (published)
T.Erdogan and A.Tarhan. "Systematic Mapping of Process Mining Studies in Healthcare", IEEE Access, Vol 6, 2018. (published)
T.Erdogan and A.Tarhan. "Process Mining for Healthcare Process Analytics", in proceedings of IWSM-Mensura 2016, IEEE CPS, pp. 125-130 (published).
(In Turkish) K.Akeren ve A.Tarhan, “Hastalıkların Tedavi Sürecinin Protokollere Uygunluğunun Analizi: Süreç Madenciliğine Yönelik Araç Geliştirme”, X. Ulusal Yazılım Mühendisliği Sempozyumu, Ekim 2016, Çanakkale (CEUR Proceedings, sf. 207-218) (published).
(PM in Software Domain)
T.G.Erdoğan, A.Tarhan, and N.A.Karagoz, “An Integrated Infrastructure Using Process mining Techniques for Software Process Verification”, Uncovering Essential Software Artifacts through Business Process Archaeology, Idea Group Inc., 2013.
(In Turkish) T.Gürgen ve A.Tarhan, “Süreç Madenciliğinin Yazılım Süreç Doğrulama İçin Kullanımı”, V. Ulusal Yazılım Mühendisliği Sempozyumu (UYMS) Bildiriler Kitabı, sf. 234-237, Ankara, 26-28 Eylül 2011. (RG link)
Selected Research Outputs:
(FSM Automation from Source Code)
A.Tarhan and M.A.Sağ, "COSMIC Solver: A Tool for Functional Sizing of Java Business Applications", Balkan Journal of Electrical & Computer Engineering (BAJECE), Feb 2018, Vol.6, No.1 . Doi: 10.17694/bajece.401986 (published)
A.Tarhan, B.Ozkan, and G.C.Icoz. "A Proposal on Requirements for COSMIC FSM Automation from Source Code", in proceedings of IWSM-Mensura 2016, IEEE CPS, pp. 195-200 (published).
M.A.Sag and A.Tarhan. "Measuring COSMIC Software Size from Functional Execution Traces of Java Business Applications", in proceedings of IWSM-Mensura 2014, pp. 272-281, IEEE CPS (published).
R.Gönültaş and A.Tarhan. "Run-time Calculation of COSMIC Functional Size via Automatic Installment of Measurement Code into Java Business Applications", in proceedings of The 41th Euromicro Conference on Software Engineering and Advanced Applications (SEAA 2015), pp. 112-118, IEEE CPS (published).
A.A.Akca and A.Tarhan. "Run-time measurement of COSMIC functional size for Java business applications: Is it worth the cost?", in proceedings of IWSM-Mensura 2013, pp. 54-59, IEEE CPS, 2013 (published).
A.A.Akca and A.Tarhan. "Run-time Measurement of COSMIC Functional size for Java Business Applications: Intial Results", in proceedings of IWSM-Mensura 2012, pp. 226-231, IEEE CPS, 2012 (published).
Color Scheme: Journal Paper (SCI) Journal Paper (Other) Conference Paper Book Chapter