| 2023 | EDOC | Developing Taxonomies for Business Process Engineering. | Ton Soetekouw, Paul Grefen, Irene Vanderfeesten, Oktay Tretken |
| 2020 | CaiSE | A Multi-concern Method for Identifying Business Services: A Situational Method Engineering Study. | Onat Ege Adali, Oktay Tretken, Baris Ozkan, Rick Gilsing, Paul Grefen |
| 2020 | CaiSE | A Formal Basis for Business Model Evaluation with Linguistic Summaries - (Work-in-Progress Paper). | Rick Gilsing, Anna Wilbik, Paul Grefen, Oktay Tretken, Baris Ozkan |
| 2019 | CaiSE | 3D Virtual World BPM Training Systems: Process Gateway Experimental Results. | Michael Leyer, Ross Brown, Banu Aysolmaz, Irene Vanderfeesten, Oktay Tretken |
| 2018 | CaiSE | A Reference Framework for Advanced Flexible Information Systems. | Paul Grefen, Rik Eshuis, Oktay Tretken, Irene Vanderfeesten |
| 2018 | ICIS | A Reference Model for the Design of Service-Dominant Business Models in the Smart Mobility Domain. | Rick Gilsing, Oktay Tretken, Onat Ege Adali, Paul Grefen |
| 2017 | BPM | Towards a Solution Space for BPM Issues Based on Debiasing Techniques. | Maryam Razavian, Irene Vanderfeesten, Oktay Tretken |
| 2017 | CaiSE | Cognitive Style and Business Process Model Understanding. | Oktay Tretken, Irene Vanderfeesten, Jan Claes |
| 2016 | BPM | When Cognitive Biases Lead to Business Process Management Issues. | Maryam Razavian, Oktay Tretken, Irene Vanderfeesten |
| 2016 | BPM | The Effect of Modularity Representation and Presentation Medium on the Understandability of Business Process Models in BPMN. | Oktay Tretken, Tessa Rompen, Irene Vanderfeesten, Ahmet Dikici, Jan van Moll |
| 2010 | ICSOC | Root-Cause Analysis of Design-Time Compliance Violations on the Basis of Property Patterns. | Amal Elgammal, Oktay Tretken, Willem-Jan van den Heuvel, Mike P. Papazoglou |
| 2010 | ICSOC | On the Formal Specification of Regulatory Compliance: A Comparative Analysis. | Amal Elgammal, Oktay Tretken, Willem-Jan van den Heuvel, Mike P. Papazoglou |
| 2010 | ICWE | Business Process Compliance through Reusable Units of Compliant Processes. | David Schumm, Oktay Tretken, Natallia Kokash, Amal Elgammal, Frank Leymann, Willem-Jan van den Heuvel |
| 2008 | EuroSPI | Software Functional Size: For Cost Estimation and More. | Baris Ozkan, Oktay Tretken, Onur Demirrs |
| 2008 | PROFES | The Effect of Entity Generalization on Software Functional Sizing: A Case Study. | Oktay Tretken, Onur Demirrs, igdem Gencel, zden zcan Top, Baris Ozkan |