Journal Papers

1. Tahir, T., Gencel, C., Rasool, G., Umer,T., Rasheed, J., Yeo, S.F.,  Çevik, T.:Early Software Defects Density Prediction: Training the International Software Benchmarking Cross Projects Data Using Supervised Learning. IEEE Access 11: 141965-141986 (2023)

2. Tahir, T., Rasool, G., Mehmood, W., Gencel, C.: An Evaluation of Software Measurement Processes in Pakistani Software Industry. IEEE Access, Vol 6: 57868-57896 (2018)

3. Gencel,C., Petersen, K.: Special Section on Measurement for Future Software Industry: Driving Value Creation. Inf. Softw. Technol. 103: 215 (2018)

4. Tahir,T., Rasool, G., Gencel, C., "A Systematic Literature Review on Software Measurement Programs", Journal of Information and Software Technology, Vol 73, pp.101-121, (2016)

5. Ulziit, B., Warraich, Z.A., Gencel, C., Petersen, K., “A Conceptual Framework of Challenges and Solutions for Managing Global Software Maintenance”, Journal of Software: Evolution and Process 27(10): 763-792 (2015)

6. Petersen, K., Gencel, C., Asghari, N., Betz, S., "An Elicitation Instrument for Operationalising GQM+Strategies (GQM+S-EI), Empirical Software Engineering, 20(4): 968-1005 (2015).

7. Shah, S.M.A., Gencel, C., Alvi, U.S., Petersen, K. “Towards a hybrid testing process unifying exploratory testing and scripted testing”, Journal of Software: Evolution and Process 26(2): 220-250 (2014).

8. Gencel, C., Petersen, K., Mughal, A.A., Iqbal, M.I., “A Decision Support Framework for Metric Selection in Goal-Based Measurement Programs: GQM-DSFMS”, Journal of Systems and Software, 86(12): 3091-3108 (2013).

9. Zivkovic, A., Gencel, C., Abran, A.: Guest editorial: Advances in functional size measurement and effort estimation - Extended best papers. Information & Software Technology 53(8): 873 (2011)

10. Demirors, O., Gencel, C., “Conceptual Association of Functional Size Measurement Methods”, IEEE Software, vol. 26, no. 3, pp. 71-78, May/June 2009.

11. Gencel, C., Demirors, O., “Functional Size Measurement Revisited”, ACM Transactions on Software Engineering and Methodology (TOSEM), Vol.17, No.3, 71-106, July 2008.

Book Chapters

1. Efe, P., Demirors, O., Gencel, C., “Mapping Concepts of Functional Size Measurement Methods”, Book chapter in COSMIC Function Points: Theory and Advanced Practices, Editors: Dumke, R. and Abran,A., CRC Press, 2010.

2. Tarhan A., Gencel C., Demirors O., “Pre-Contract Challenges: Two Large System Acquisition Experiences”, Book chapter in Enterprise Architecture and Integration: Methods, Implement. and Technologies, IGI Global, 31 May 2007.

Editorial

1. Staron, M., Meding, W., Petersen, K., Gencel C, Editors of the Proc. of the 27th International Workshop on Software Measurement and 12th International Conf. on Software Process and Product Measurement, Gothenburg, Sweden — October 25 - 27, 2017.

2. Dingsøyr, T., Moe, N., Tonelli, R., Counsell, S., Gencel, C., Petersen, K.: Agile Methods. Large-Scale Development, Refactoring, Testing, and Estimation - XP 2014 International Workshops, Rome, Italy, May 26-30, 2014, Revised Selected Papers. Lecture Notes in Business Information Processing 199, Springer 2014, ISBN 978-3-319-14357-6

3. Dingsøyr, T., Moe, N., Tonelli, R., Counsell, S., Gencel, C., Petersen, K.: Preface,  Lecture Notes in Business Information Processing 199, pp. V-VI, Springer 2015, ISBN 978-3-319-14357-6

4. Demirors, O, Gencel, C., Special Session on Software Management, EUROMICRO 2008, Proc. of the 34th Euromicro Conf. on Software Engineering and Advanced Applications, SEAA 2008, pp.xxii 

5. Demirors O., Gencel, C., Message from the Chairs of the Special Session on Software Management, EUROMICRO 2008, Proc. of the 33rd Euromicro Conf. on Software Engineering and Advanced Applications, SEAA 2007

International Conferences/Workshops Publications and Presentations

1. Adalı, E.O., Karagöz, N.A., Gürel, Z., Tahir, T., Gencel, C. "Software Test Effort Estimation: State of the Art in Turkish Software Industry", 43rd Euromicro Conference on Software Engineering and Advanced Applications, SEAA 2017, Vienna, Austria, August 30 - Sept. 1,  2017, pp. 412-420.

2. Adalı, E.O., Karagöz, N.A., Gürel, Z., Tahir, T., Gencel, C.: Yazilimda Test Isgucu Kestirimi: Turkiye'deki Guncel Durum(Software Test Effort Estimation: Current Practices In Turkey). UYMS 2017: 226-237

3. Gencel, C., Buglione, L., "The Missing Links in Software Estimation: Team Loading and Team Power", IWSM/Mensura 2016, Berlin, p.212

4. Gencel, C., Fernandez Sanz, L, “A Novel Decision Making Platform for Managing Tradeoffs between Quality, Cost and Time, MetriKon 2015, November 5-6, 2015, Shaker Verlag, pp. 265-272.

5. Dasgupta, A., Gencel, C., Symons, C. ”A Process to Improve the Accuracy of MkII FP to COSMIC Size Conversions: Insights into the COSMIC Method Design Assumptions”, Springer Lecture Notes in Business Information Processing 230, IWSM/Mensura 2015,  pp. 46-61, October 5-7, Krakow, 2015.

6. Symons, C., Abran, A., Gencel, C., Woodward, C., Swierczek, J., COSMIC Workshop - Update on Method v4.0, NFR and Estimating. IWSM/Mensura 2014: 60-61

7. Bajwa, S.S., Gencel, C., Abrahamsson, P., “Software Product Size Measurement Methods: A Systematic Mapping Study”. IWSM/Mensura 2014, Netherlands, pp.176-190

8. Petersen, K., Gencel, C., Asghari, N., Baca, D., Betz, S., Action research as a model for industry-academia collaboration in the software engineering context, in Proc. of the 2014 intern. workshop on Long-term industrial collaboration on software engineering, ACM, pp. 55-62, September 2014.

9. Gencel, C., Holmgren, J., Petersen, K., “The Relationship between Immediacy, Trust and Students' Choice of Supervisors in the Software Engineering Context”, accepted for publication in Proc. of the European Conference of Software Engineering Education (ECSEE 2014), 27-28 Nov. 2014, Seeon Monastery, Germany.

10. Shah S. M. A., Alvi U. S., Gencel C., Petersen K., "Comparing a Hybrid Testing Process with Scripted and Exploratory Testing: A Pre-Experimental Study with Practitioners"; In: Proceedings of the 15th International Conference on Agile Software Development (XP 2014), Rome, Italy, 2014.

11. Marciuska, S., Gencel, C., Abrahamsson, P.: Feature Usage as a Value Indicator for Decision Making. Australian Software Engineering Conference 2014, IEEE CS, pp. 124-131

12. Marciuska, S., Gencel, C., Abrahamsson, P., "Automated Feature Identification in Web Applications", SWQD 2014, Springer Lecture Notes on Business Information Processing, pp. 100-114

13. Tan, J., Gencel, C., Ronkkö, K., “A Framework for Software Usability & User Experience Measurement in Mobile Industry’, In proc. of: Proceedings of the 8th International Conference on Software Process and Product Management (Mensura 2013), IEEE CS, pp. 156-164.

14. Petersen, K., Gencel, C., “Worldviews, Research Methods, and their Relationship to Validity in Empirical Software Engineering Research”, In proc. of: Proceedings of the 8th International Conference on Software Process and Product Management (Mensura 2013), IEEE CS, pp. 81-89.

15. Marciuska, S., Gencel, C., Abrahamsson, P., “Exploring How Feature Usage Relates to Customer Perceived Value: A Case Study in a Startup Company”, ICSOB 2013 Conference, Lecture Notes in Business Information Processing, Vol.150, pp 166-177, 2013.

16. Marciuska, S., Gencel, C., Wang, X., Abrahamsson, P., “Feature Usage Diagram for Feature Reduction”, XP 2013 Conference, Lecture Notes in Business Information Processing Vol. 149, pp 223-237, 2013.

17. Gencel, C., Bideau, C., "Exploring the Convertibility between IFPUG and COSMIC Function Points: Preliminary Findings", IWSM/Mensura 2012 Conference, IEEE CS, pp. 170-177, 2012.

18. Gencel, C., "Do We Really Need to Choose One Functional Size .Measurement Method?", UKSMA/COSMIC International Conference on Software Metrics & Estimating, London, 27-28 October 2011.

19. Stern, S., Gencel, C., “Embedded Software Memory Size Estimation Using COSMIC Function Points – A Case Study”, in Proc. of IWSM/DASMA Metrikon/Mensura, Shaker Verlag, ISBN 978-3-8322-9618-6, November 10-12, 2010, Stuttgart, Germany, pp.393-406.

20. Buglione, L., Ferrucci, F., Gencel, C., Gravino, C., Sarro, F., “Which COSMIC Base Functional Components are Significant in Estimating Web Application Development? - A Case Study”, in Proc. of IWSM/ DASMA Metrikon/Mensura, Shaker Verlag, ISBN 978-3-8322-9618-6, November 10-12, 2010, Stuttgart, Germany, pp.205-224.

21. Jalali,S., Gencel, C, Smite, D., “Trust Dynamics in Global Software Engineering”, Proc. of the 4th Intern. Symposium on Empirical Software Engineering and Measurement (ESEM'10), ACM, Sept. 16-17, 2010, Bolzano, Italy, pp.66-74. 

22. Touseef T. and Gencel, C., “A Structured Goal Based Measurement Framework Enabling Traceability and Prioritization”, 6th Intern. Conf. on Emerging Technologies (ICET), IEEE Digital Library, 18-19 October, 2010, Islamabad, Pakistan, pp. 282 - 286

23. Gencel, C, Buglione, L., Abran, A., “Improvement Opportunities and Suggestions for Benchmarking”, Abran et al. (Eds.): IWSM/Mensura 2009, 4-6 November, LNCS 5891, pp. 144–156, Springer-Verlag Berlin Heidelberg 2009.

24. Bajwa, S., and Gencel, C., “What are the Significant Cost Factors for COSMIC Functional Size Based Effort Estimation?”, Abran et al (Eds.): IWSM / Mensura 2009, 4-6 November, LNCS 5891, pp. 62-175, Springer-Verlag Berlin Heidelberg 2009.

25. Bhatti, A., Hafiz, A., Gencel, C., “A Model for Selecting an Optimum Set of Measures in Software Organizations”, selected papers of EurSPI 2009: Book Chapter, Software Process Improvement, CCIS 42, pp. 44–56, Springer-Verlag Berlin Heidelberg 2009.

26. Smite,D., Gencel, C., “Why a CMMI Level 5 Company Fails to Meet the Deadlines? “,10th Inter. Conf.on Product Focused Software Development and Process Improvement (Profes 2009), LNCS, Vol.32., Oulu, Finland, pp. 87-95, June 15-17, 2009.

27. Gencel, C., Heldal, R., Lind, K. “On the Conversion between the Sizes of Software Products in the Life Cycle”, Proc. of the Asia-Pacific Software Engineering Conference (APSEC 2009), pp.19-26, IEEE CS Press, Penang, Malaysia, 1-3 December 2009.

28. Gencel, C., Symons, C., “From performance measurement to project estimating using COSMIC functional sizing”, in the Proc. of Software Measurement European Forum 2009 (SMEF 2009), Rome 27-29, May 2009, ISBN:978-88-6301-017-6, Libreria Clup Soc. Coop., pp. 91-104.

29. Gencel, C., “How to use COSMIC Functional Size in Effort Estimation Models”, R. Dumke et al. (Eds.): IWSM / MetriKon / Mensura 2008, LNCS 5338, Springer-Verlag Berlin Heidelberg 2008, pp. 205–216, 2008.

30. Gencel, C., Buglione, L., “Do Different Functionality Types Affect the Relationship between Software Functional Size and Effort?”, J.J. Cuadrado-Gallego et al. (Eds.): Selected papers of MENSURA 2007, LNCS 4895, Springer-Verlag Berlin Heidelberg 2008, pp. 72–85, 2008.

31. Turetken, O. Demirörs, O., Gencel, C., Özcan, Ö., Özkan, B.,” The Affect of Entity Generalization on Software Functional Sizing: A Case Study”, A. Jedlitschka and O. Salo (Eds.): the 9th Intern.  Conf. on Product Focused Software Process Improvement (Profes 2008), 23-25 June, Rome, Italy. LNCS 5089, Springer-Verlag Berlin Heidelberg 2008, pp. 105-116, 2008. 

32. Buglione, L., Gencel, C., “Impact of Base Functional Component Types on Software Functional Size based Effort Estimation”, A. Jedlitschka and O. Salo (Eds.): the 9th Intern.  Conf. on Product Focused Software Process Improvement (Profes 2008), 23-25 June, Rome, Italy, LNCS 5089, Springer-Verlag Berlin Heidelberg 2008, pp. 75–89, 2008.

33. Ergun, A., Gencel, C., “Utilizing Functional Size Measurement Methods for Embedded Systems”, in the Proc. of the 14th Asia-Pacific Software Engineering Conf. - Workshop on Software Productivity Analysis and Cost Estimation (SPACE'07), Nagoya, Japan, 3-4 December 2007, pp. 45-52.

34. Gencel, C., Buglione, L., “Do Different Functionality Types Affect the Relationship between Software Functional Size and Effort?”, Proc. of the Intern. Conf. on Software Process and Product Measurement (IWSM-Mensura 2007), 5-8 November 2007, Palma de Mallorca, Spain, Abran-Dumke-Màs , Baleares, Spain, 2007, pp. 235-246.

35. Gencel, C., Demirors, O., “Conceptual Differences Among Functional Size Measurement Methods”, in Proc. of the 1st International Symposium on Empirical Software Engineering and Measurement (ESEM'07), IEEE CS Press, Sept 20-21, Madrid, Spain, pp. 305-313,

36. Demirors, O., Karagöz, A., Gencel, C., “Acquiring Innovative Software Systems: Experiences from the Field”, in Proc. of the 33rd EUROMICRO Conference SEAA 2007, IEEE CS Press, August 28 - 31 in Luebeck, Germany, pp.393-400.

37. Efe, P. Demirors, O., Gencel, C., “A Unification Model for Functional Size Measurement Methods”, in Proc. of the Joint Conf. 16th Intern. Workshop on Software Measurement (IWSM2006) - DASMA Metrik Kongress (MetriKon2006), November 2-3, 2006, Potsdam (Germany).

38. Buglione, L., Gencel, C., Efe, P., “Suggestions for Improving Measurement Plans: a BMP application in Turkey", in Proc. of the Joint Conf. 16th Intern. Workshop on Software Measurement (IWSM2006) - DASMA Metrik Kongress (MetriKon2006), November 2-3, 2006, Potsdam (Germany).

39. Atak, O., Gencel, C., “An Experimental Study on Conceptual Data Model Based Software Code Size Estimation”, in Proc. of the Joint Conf. 16th Intern. Workshop on Software Measurement (IWSM2006) - DASMA Metrik Kongress (MetriKon2006), November 2-3, 2006, Potsdam (Germany).

40. Demirors, O, Gencel, C., Tarhan A., “Challenges of Acquisition Planning”, in Proc. of 32nd Euromicro Conference on Software Engineering and Advanced Applications (SEAA) (EUROMICRO 2006), IEEE CS Press, 29 August-1 September 2006, Cavtat/Dubrovnik (Croatia).

41. Gencel, C., Buglione, L., Demirors, O., Efe, P. “A Case Study on the Evaluation of COSMIC-FFP and Use Case Points”, In Proc. of 3rd Software Measurement European Forum (SMEF 2006), 10-12 May 2006, Rome (Italy).

42. Gencel, C., Demirors, O., Yüceer, E., "Utilizing Functional Size Measurement Methods for Real Time Software Systems", 11th IEEE International Software Metrics Symposium (METRICS 2005), Como, Italy, September 2005.

43. Gencel, C., Demirors, O., Yüceer, E., "A Case Study on Using Functional Size Measurement Methods for Real Time Systems", in Proc. of 15th Intern. Workshop on Software Measurement (IWSM'2005), Shaker-Verlag, 2005, pp.159-178.

44. Demirors O., Gencel C., "A Comparison of Size Estimation Techniques Applied Early in the Life Cycle", T. Dingsøyr (Ed.): the European Process Improvement Conference (EuroSPI), Nov. 2004, Trondheim, Norway (EuroSPI 2004), LNCS 3281, Springer-Verlag Berlin Heidelberg 2004, pp. 184–194, 2004.

45. Gencel, C. and Demirors, O., "Software Size Estimation: Difficulties and Suggestions", in Proc. of the First Conference on the Principles of Software Engineering (PriSe2004). Buenos Aires, Argentina, November 22-27, 2004.

46. Demirors, O., Gencel, C. Tarhan, A., "Utilizing Business Process Models for Requirements Elicitation", in Proc. of 29th Euromicro Conference (EUROMICRO 2003), IEEE CS Press; pp. 409-412, 2003.

47. Gencel, C., “Development of a Coastal Geographical Information System for Dalyan / Köyceğiz Area, Turkey”, in Proc. of the Fourth International Conference on the Mediterranean Coastal Environment, MEDCOAST 99 - EMECS 99 Joint Conference, 9- 13 November 1999, Antalya, Turkey.

48. Gencel C., Tarhan A., Demirors O., “Eliciting Information System Requirements From Business Process Models in the Pre-Contract Phase” (in Turkish)”, in the Proc. of 3rd Defense Technologies Congress SAVTEK 2006, 29-30 June 2006, METU, Ankara, Turkey, vol 1, pp. 603-612.

49. Karagöz A., Demirors O., Gencel Ç, Ündeğer C., “Mission Space Conceptual Model Development in the Simulation Systems: A Proces Definition”, in the Proc.of 3rd Defense Technologies Congress SAVTEK 2006, 29-30 June 2006, METU, Ankara, Turkey.

50. Nar, F., Gencel, C., Kurt, M., Mumcuoğlu, E., Yardımcı, Y., Erol, A., Uğur, Ö., Erbaş, B., “A Tool for 3 Dimensional and Modular Medical Image Analysis”, 11th Signal Processing and Communication Applications Workshop, 18-20 June 2003, Koç Üniversitesi, Istanbul, Turkey.

51. Çetiner, M.H, Gencel, C., Sarer B., “Internet and Non-Governmental Organizations”, AB-2000, Akademik Bilişim Konferansı, 10-11 February 2000, Süleyman Demirel Üniversitesi, Isparta, Turkey.

52. Gencel, C., “Özel Çevre Koruma Bölgeleri’nin Yönetimi için Coğrafi Bilgi Sistemi Geliştirilmesi”, AB-2000, Akademik Bilişim Konferansı, 10-11 February 2000, Süleyman Demirel Üniversitesi, Isparta, Turkey.

53. Çetiner, M.H, Gencel, C., Erten, Y.M., “Internet Based Distance Learning and Multi-Media Applications”, Inet-tr’99, V. Türkiye'de Internet Konferansı, 19-21 November 1999, Ankara, Turkey.

54. Gencel, C. and Çetiner, M.H., “Internet and Non-governmental Organizations”, Inet-r’99, V. Türkiye'de Internet Konferansı, 19-21 November 1999, Ankara, Turkey.