Gülfem Işıklar Alptekin is an associate professor in Computer Engineering Department of Galatasaray University, İstanbul, Turkey. Her research areas include crowdsourcing in software engineering, network economy, pricing concepts in computer networks, and decision analysis.


Postal address: Galatasaray Üniversitesi, Bilgisayar Müh., Çırağan Cad. No: 36, 34357, Ortaköy İSTANBUL

Tel: +90 (212) 2274480 / 204

Fax: +90 (212) 2595557

E-mail: gisiklar at gsu.edu.tr


 INF 534 – Software Quality and Testing – Yazılım Kalitesi ve Sınaması (Güz 2017)


High School: Ankara Özel Tevfik Fikret Lisesi, graduated in 1997
B.S.: Galatasaray University, Computer Engineering, graduated in 2001
M.S.: Galatasaray Universty, Industrial Engineering, graduated in 2003
Ph.D.: Boğaziçi University, Computer Engineering, graduated in 2010

Université Claude Bernard Lyon 1, le Laboratoire d’InfoRmatique en Image et Systèmes d’information (LIRIS), Visiting Professor, January- February 2018.


Journal Papers

  1. A. Sarı, A. Tosun, G. Işıklar Alptekin, 2019, “A Systematic Literature Review on Crowdsourcing in Software Engineering”, Journal of Systems and Software, (153), pp. 200-219. https://doi.org/10.1016/j.jss.2019.04.027.
  2. S. Emre Alptekin, G. Işıklar Alptekin, 2018, “A Fuzzy Quality Function Deployment Approach for Differentiating Cloud Products”, International Journal of Computational Intelligence Systems (11) 1, pp. 1041-1055.
  3. G. Işıklar Alptekin, 2015, “Strategic pricing model based on genetic algorithm: The case of electronic publishing market”, Journal of Intelligent & Fuzzy Systems, 29(4), 1551-1564.
  4. T. Gürbüz, S.E. Alptekin, G. Işıklar Alptekin, 2012, “A hybrid MCDM methodology for ERP selection problem with interacting criteria”, Decision Support Systems 54 (1), 206-214
  5. G. Işıklar Alptekin, A.B. Bener, 2011, “Spectrum trading in cognitive radio networks with strict transmission power control”, European Transactions on Telecommunications, 22, 282-295.
  6. G. Işıklar Alptekin, G. Büyüközkan, 2011, “An integrated case-based reasoning and MCDM system for Web-based tourism destination planning”, Expert Systems with Applications, 38(3), pp. 2125-2132.
  7. Y. Kastro, G. Işıklar, A.B. Bener, 2010, “Resource allocation in cellular networks based on marketing preferences”, Wireless Networks, 16 (1), pp. 27-38.
  8. G. Işıklar Alptekin, A.B. Bener, 2010, “Customer-oriented resource allocation framework in cognitive radio networks”, Computers & Industrial Engineering, 58 (3), pp. 401-410.
  9. G. Işıklar, S.E. Alptekin and G. Büyüközkan, 2007, “Applications of a hybrid intelligent decision support model in logistics outsourcing”, Computers & Operations Research, 34 (12), pp. 3701-3714.
  10. G. Işıklar and G. Büyüközkan, 2007, “Using a multi-criteria decision making approach to evaluate mobile phone alternatives”, Computer Standards & Interfaces, 29(2), pp. 265-274.
  11. G. Büyüközkan, M.Ş. Ersoy and G. Işıklar, 2005, “An intelligent decision making system to support e-service management”, Lecture Notes in Artificial Intelligence (AI 2005, LNAI 3809), S. Zhang and R. Javis (Eds.), Springer-Verlag Berlin Heidelberg, pp. 1154-1157.

International Conference Papers:

  1. S. Akınlı Koçak, G. Işıklar Alptekin, A. Miranskyy, A. Başar Bener, Enzo Cialini, 2018, “An Empirical Evaluation of Database Software Features on Energy Consumption”, EPiC Series in Computing, Vol. 52 (ICT4S2018. 5th International Conference on Information and Communication Technology for Sustainability) (Best 4th paper), Toronto, pp. 1-19.
  2. Hayri Acar, Hind Benfenatki, Jean-Patrick Gelas, Catarina Ferreira Da Silva, Gulfem I. Alptekin, Nabila Benharkat, Parisa Ghodous, 2018, “Software Greenability: A Case Study of Cloud-based Business Applications Provisioning”, IEEE CLOUD 2018, San Francisco, pp. 875-878.
  3. Aslı Sarı, G. Işıklar Alptekin, 2017, “A Reward Determination Framework for Crowdsourcing”, Conference of the International Federation of Operational Research Societies, Quebec City.
  4. D. Erışık, A. Karaman, G. Işıklar Alptekin, Ö. Durmaz İncel, 2016, “An Accurate Tagging Algorithm in Augmented Reality for Mobile Device Screens”, International Journal of Computers, International Conference on Data Networks, Communications, Computers (DNCOCO’16) Vol. 1,  Bern, 271-277.
  5. E. Çalışır, G. Işıklar Alptekin, B.A. Özgövde, “A Code Offloading Framework for Mobile Cloud Computing: ICEMobile”, The Fifth International Conference on Communications, Computation, Networks and Technologies (INNOV 2016), 2016, Roma, 40-46.
  6. A. Karaman, D. Erışık, Ö. Durmaz Incel, G. Işıklar Alptekin, “Resource Usage Analysis of a Sensor-Based Mobile Augmented Reality Application”, Procedia Computer Science (7th International Conference on Ambient Systems, Networks and Technologies – ANT-2016), 83, 2016, 300-304.
  7. H. Acar, G. Işıklar Alptekin, J.P. Gelas, P. Ghodous, “TEEC: Improving Power Consumption Estimation of Software”, EnviroInfo 2016 – 5th Workshop on Energy Aware Software-Engineering and Development, Berlin, 2016.
  8. O. Kartal, G. Işıklar Alptekin, “Evaluating the energy efficiency of IT systems using multi-criteria decision making approach”, Multidisciplinary Academic Conference in Prague (MAC-EMM), 2015, Prag.
  9. H. Acar, G. Işıklar Alptekin, J.P. Gelas, P. Ghodous, “Towards a Green and Sustainable Software”, 22nd ISPE Concurrent Engineering Conference (CE2015), Delft, 2015.
  10. G. Işıklar Alptekin, 2015, “A Resource Trading Framework for Cloudlets”, World Congress on Engineering and Computer Science – WCECS 2015, pp. 743-747. (Certificate of Merit)
  11. S.A. Koçak, G. Işıklar Alptekin, A. Bener, 2014, “Evaluation of Software Product Quality Attributes and Environmental Attributes using ANP Decision Framework”, International Workshop on Requirements Engineering for Sustainable Systems (RE4SuSy), Karlskona, Sweden, 1216, pp. 37-44.
  12. S.E. Alptekin, G. Işıklar Alptekin, 2014, “Design of Customer-Oriented Cloud Products”,  World Congress on Engineering and Computer Science (WCECS 2014), Vol. II, pp. 724-729.
  13. S.A. Koçak, G.C. Gonzales, G. Işıklar Alptekin, A. Bener, 2013, “Requirements Prioritization Framework for developing Green and Sustainable Software using ANP-based Decision Making”, Enviroinfo Conference, Hamburg, pp. 327-335.
  14. N. Yılmaz, G. Işıklar Alptekin, 2013, “The Effect of Clustering in the Apriori Data Mining Algorithm: A Case Study”, Proceedings of the International Conference of Data Mining and Knowledge Engineering 2013, vol. 3, London, pp. 1611-1616. (Best Student Paper)
  15. N. Yılmaz, G. Işıklar Alptekin, 2013, “An Ontology-based Data Mining Approach for Strategic Marketing Decisions”, Proceedings of the WMSCI 2013, Vol. I, pp. 135-140.
  16. S.A. Koçak, A. Miransky, G. Işıklar Alptekin, A.B. Bener, E. Cialini, 2013, “The Impact of Improving Software Functionality on Environmental Sustainability”, Proceedings of the Information and Communication Technologies for Sustainability Conference (ICT4S), Zurich, pp.95-100.
  17. G. Işıklar Alptekin, A.B. Bener, 2011, “The impact of power management to spectrum trading”, Proceedings of the IFIP/IEEE IM 2011 (International Symposium on Integrated Network Management), Dublin, pp. 305-312.
  18. G. Işıklar Alptekin, A.B. Bener, 2010, “A spectrum trading model with strict transmission power control”, Proceedings of the IEEE GLOBECOM 2010 (Global Communications Conference 2010), Miami, pp. 1-5.
  19. G. Alptekin, S.E. Alptekin, 2010, “Fuzzy multi-criteria decision making approaches for evaluating e-payment systems”, Proceedings of the WORLDCOMP’10 (The World Congress in Computer Science, Computer Engineering and Applied Computing 2010), Las Vegas, pp. 142-148.
  20. G. Işıklar Alptekin and A. Bener, 2009, “Pricing model for the secondary market architecture in cognitive radio networks”, Proceedings of the IFIP/IEEE GAMENETS 2009 (Game Theory for Networks), İstanbul, pp. 479-483.
  21. G. Işıklar Alptekin and A. Bener, 2009, “An efficient spectrum management mechanism for cognitive radio networks”, Proceedings of the IFIP/IEEE IM 2009 (International Symposium on Integrated Network Management), Long Island, pp. 653-660.
  22. G. Işıklar Alptekin, S.E. Alptekin, 2009, “An integrated approach for defining pricing strategies in competitive markets”, Proceedings of the IEEE EKNOW 2009 (International Conference on Information, Process and Knowledge Management), Cancun, pp. 54-59.
  23. G. Işıklar Alptekin and A. Bener, 2008, “Business model specific charging mechanism in cognitive radio”, Proceedings of the SEAA’08 (34th Euromicro Conference on Software Engineering and Advanced Applications), Parma, pp. 156-163.
  24. G. Işıklar and A. Bener, 2008, “Brokering and pricing architecture over cognitive radio wireless networks”, Proceedings of the IEEE CCNC 2008 (Consumer Communications & Networking Conference), Workshop on Cognitive Radio Networks, Las Vegas, pp. 1004-1008.
  25. Y. Kastro, G. Işıklar and A. Bener, 2007, “The use of customer relationship management in resource allocation: The case of cellular networks”, Proceedings of the CIE 2007 (Computers & Industrial Engineering Conference), Alexandria, pp. 119-125.
  26. G. Işıklar, M. Üner and A. Bener, 2006, “A CRM-based pricing model for m-commerce services”, Proceedings of the IEEE ICETE/ICE-B 2006 (International Joint Conference on E-Business and Communications), Setubal, pp. 118-125.
  27. G. Işıklar, A. Bener and F. Alagöz, 2006, “A new bandwidth allocation strategy in GEO satellite networks and pricing the differentiated services”, Proceedings of the IEEE ICC 2006 (International Conference on Communications), vol. 4, İstanbul, pp. 1855-1860.
  28. G. Işıklar and A. Bener, 2005, “A simple approach to charging and billing of packetized applications”, Proceedings of the IEEE WCNC 2005 (Wireless Communications and Networking Conference), vol. 4, New Orleans, pp. 2440-2445.

National Conference Papers:

  1. M. Keskin, G. Işıklar Alptekin, “Yazılım Maliyet Tahmininde İşlev Puanı Analizi ve Yapay Sinir Ağları Kullanımı”, 10. Ulusal Yazılım Mühendisliği Sempozyumu (UYMS 2016), Çanakkale, 2016, 466-471.
  2. S. Akınlı Koçak, G. Işıklar Alptekin, A.B. Bener, 2015, “Bir Yazılımın Çevre ve Kalite Açısından Değerlendirilmesi için Önerilmiş Karar Alma Modeli”, 9th National Software Engineering Symposium (UYMS 2015), İzmir, pp. 418-429.
  3. D. Erışık, A. Karaman, G. Işıklar Alptekin, Ö. Durmaz İncel, M. İşbilen, O. Burçak, 2015, “Algılayıcı Esaslı Artırılmış Gerçeklik Uygulaması Yazılımı Tasarımı”, IEEE 23. Sinyal İşleme ve İletişim Uygulamaları Kurultayı (SİU 2015), Malatya.
  4. S. Akınlı Koçak, G. Işıklar Alptekin, A.B. Bener, A. Miransky, E. Doğan, 2014, “Yazılım Özelliklerinin Enerji Tüketimi Üzerine Etkileri”, 8th National Software Engineering Symposium (UYMS 2014), 1221, pp. 35-44, Kıbrıs.
  5. E. Çalışır, G. Işıklar Alptekin, A. Özgövde, 2014, “Yerel ve Hızlı Bulut Servisi: Bulutçuklar”, Akademik Bilişim, Mersin.
  6. S.E. Alptekin, İ. Bereketli, G. Işıklar and M.E. Genevois, 2006, “ERP kurulumu için UML araçlarıyla yeniden yapılandırma süreci: Bir vaka analizi”, Yöneylem Araştırması ve Endüstri Mühendisliği (YA-EM 2006), Kocaeli Üniversitesi, 2006.
  7. G. Işıklar and A. Bener, 2006, “Hücresel ağlarda kaynak atamasına alternatif bir yaklaşım”, GAP 2006, Harran Üniversitesi, Şanlıurfa.
  8. G. Işıklar, A. Bener, 2005, “Ağdaki paket uygulamalar için önerilmiş fiyatlandırma modeli”, Akademik Bilişim 2005, Gaziantep Üniversitesi, Gaziantep.


Completed MS Thesis

– Nergis Yılmaz, “Analysis of the Impact of Clustering on Apriori Data Mining Algoritm”, September 2013.

– Ahmet Karaman, “Energy Efficiency Analysis of a GPS-based Augmented Reality Application”, January 2016.

– Doğa Erışık, “Screen Positioning Algorithm for Augmented Reality Application on Android Devices”, January 2016.

– Emre Çalışır, “A Code Offloading Framework for Mobile Cloud Computing: IceMobile”, January 2016.

– Aslı Sarı, “Reward Determination for Crowdsourced Software Development”, July 2017.

Completed PhD Thesis

-Hayri Acar, “Méthodologie de développement de logiciels dans un environnement informatiquement vert / Software development methodology in a Green IT environment”, Université Lyon 1 Claude Bernard, November 2017.


Tübitak 1501: “Authentication based on Behavioral Biometrics – Davranışsal Örüntü Kontrolüne Dayalı Kimlik Doğrulama (DAKOTA)” / Fund: 90.000 TL / April 2018 – …

San-Tez: “Sensor-Based Augmented Reality Application Software (SARAS) – Algılayısı Esaslı Arttırılmış Gerçeklik Uygulaması Yazılımı (SARAS)” / Fund: 80.000 TL / March 2014 – September 2015

BAP Project: “Energy Efficiency in Communication Technologies and Software – İletişim Teknolojileri ve Yazılımda Enerji Verimliliği”  / Fund: 20.000 TL / October 2013 – October 2014.

BAP Project: “Improvements in Software Development Process – Yazılım Geliştirme Sürecinde İyileştirmeler”  / Fund: 20.000 TL / October 2015 – May 2017.

BAP Project: “Analysis and Management of Next Generation Software Development Approaches – Yeni Nesil Yazılım Geliştirme Yaklaşımlarının Analizi ve Yönetimi” / Fund: 28.500 TL / November 2017 – November 2018.