Publications

Refereed Publications
[EN]

O. B. Asik, E. Ozcan, Bidirectional Best-fit Approach for Orthogonal Rectangular Strip Packing, IN REVIEW [best results in literature].
E. Ozcan, M. Misir, Group Decision Making During Move Acceptance in Hyperheuristics, IN REVIEW.
Özgur Ülker, Emin Erkan Korkmaz, and Ender Özcan, A Genetic Algorithm Using Linear Linkage Encoding for Bin Packing, The 10th International Conference on Parallel Problem Solving From Nature, Springer-Verlag, Lecture Notes in Computer Science, vol. 5199, pp. 1140-1149, 2008.
E.K. Burke, M. Mısır, G. Ochoa, E. Özcan, Learning Heuristic Selection in Hyperheuristics for Examination Timetabling, Conference on the Practice and Theory of Automated Timetabling, 2008, accepted.
E.K. Burke, G. Kendall, M. Mısır, E. Özcan, A Study of Simulated Annealing Hyperheuristics, Conference on the Practice and Theory of Automated Timetabling, 2008, accepted.
Ender Özcan, Türker Erçal, A Genetic Algorithm for Generating Improvised Music, LNCS 4926, revised and selected papers, EA 2007, pp. 266 – 277, 2008.
Ender Özcan, Can Basaran, A Case Study of Memetic Algorithms for Constraint Optimization, Soft Computing Journal,http://dx.doi.org/10.1007/s00500-008-0354-4, 2008.
Ender Özcan, Burak Bilgin, Emin Erkan Korkmaz, A Comprehensive Analysis of Hyper-heuristics, Intelligent Data Analysis, 12:1, pp. 3-23, 2008.
Hamdi Dibeklioglu, Metin Sezgin, Ender Ozcan, A Recognizer for Free-Hand Graph Drawings, In Proc. of the International Workshop on Pen-Based Learning Technologies, Catania, Italy, May 24-25 2007.
Ender Özcan, Alpay Alkan, A Memetic Algorithm for Solving a Timetabling Problem: An Incremental Strategy, Proc. of the 3rd Multidisciplinary Int. Conf. On Scheduling: Theory and Applications, P. Baptiste, G. Kendall, A. M. Kordon, F. Sourd (ed.), pp. 394-401, 28-31 August 2007, Paris, France.
Ersan Ersoy, Ender Özcan, Şima Uyar, Memetic Algorithms and Hyperhill-climbers, Proc. of the 3rd Multidisciplinary Int. Conf. On Scheduling: Theory and Applications, P. Baptiste, G. Kendall, A. M. Kordon, F. Sourd (ed.), pp. 159-166, 28-31 August 2007, Paris, France.
Ender Özcan, Memes, Self-generation and Nurse Rostering, PATAT2006, Springer-Verlag, selected papers, LNCS, vol. 3867, 2007, pp. 85-104.
Burak Bilgin, Ender Özcan, Emin Erkan Korkmaz, An Experimental Study on Hyper-Heuristics and Exam Scheduling, PATAT2006, Springer-Verlag, selected papers, LNCS, vol. 3867, 2007, pp. 394-412.
Özgür Ülker, Ender Özcan, Emin Erkan Korkmaz, Linear Linkage Encoding in Grouping Problems: Applications on Graph Coloring and Timetabling, PATAT2006, Springer-Verlag, selected papers, LNCS, vol. 3867, 2007, 347-363.
Ender Özcan, Murat Yılmaz, Particle Swarms for Multimodal Optimization, B. Beliczynski et al. (Eds.): ICANNGA07, Springer-Verlag, Lecture Notes in Computer Science, vol. 4431, 366-375.
Ender Özcan, Esin Onbaşıoğlu, Memetic Algorithms for Parallel Code Optimization, International Journal of Parallel Programming, Volume 35, Number 1 / February, 33-61.
Ender Özcan, An Empirical Investigation on Memes, Self-generation and Nurse Rostering, Proc. of the 6th International Conference on the Practice and Theory of Automated Timetabling, 2006, 246-263.
Burak Bilgin, Ender Özcan, Emin Erkan Korkmaz, An Experimental Study on Hyper-Heuristics and Exam Scheduling, Proc. of the 6th International Conference on the Practice and Theory of Automated Timetabling, 2006, 123-140.
Ender Özcan, Burak Bilgin, Emin Erkan Korkmaz, Hill Climbers and Mutational Heuristics in Hyperheuristics, Lecture Notes in Computer Science, Springer-Verlag, The 9th International Conference on Parallel Problem Solving From Nature, 2006, pp. 202-211.
Özgür Ülker, Ender Özcan, Emin Erkan Korkmaz, Linear Linkage Encoding in Grouping Problems: Applications on Graph Coloring and Timetabling, Proc. of the 6th International Conference on the Practice and Theory of Automated Timetabling, 2006, 303-319.
E. Ozcan, Memetic Algorithms for Nurse Rostering, Lecture Notes in Computer Science, Springer-Verlag, The 20th International Symposium on Computer and Information Sciences, vol. 3733, pp. 482-492, 2005.
E. Ozcan, E. Ersoy, Final Exam Scheduler - FES, Proc. of 2005 IEEE Congress on Evolutionary Computation, vol. 2, pp 1356-1363, September 2005.
E. Ozcan, Towards an XML based standard for Timetabling Problems: TTML, Multidisciplinary Scheduling: Theory and Applications, Springer Verlag, 163 (24), May 2005.
E. Ozcan, and M. Erenturk, A Brief Review of Memetic Algorithms for Solving Euclidean 2D Traveling Salesrep Problem, Proc. of the 13th Turkish Symposium on Artificial Intelligence and Neural Networks, pp. 99-108, June 2004.
E. Ozcan, and B. Hulagu, A Simple Intelligent Agent for Playing Abalone Game: ABLA, Proc. of the 13th Turkish Symposium on Artificial Intelligence and Neural Networks, pp. 281-290, June 2004.
E. Ozcan, E. Onbasioglu, Genetic Algorithms for Parallel Code Optimization, Proc. of 2004 IEEE Congress on Evolutionary Computation, vol. 2, pp. 1775-1781.
E. Özcan, Ş. E. Şeker, Z. İ. Karadeniz, Generating Java Class Skeleton Using A Natural Language Interface, Proc. of the 1st International Workshop on Natural Language Understanding and Cognitive Science, NLUCS - 2004, In conjunction with ICEIS 2004, pp. 126-134, April 2004.
A. Alkan, E. Ozcan, Memetic Algorithms for Timetabling, Proc. of 2003 IEEE Congress on Evolutionary Computation, pp. 1796-1802, December 2003.
E. Ozcan, Towards an XML based standard for Timetabling Problems: TTML, Proc. of the First Multidisciplinary International Conference on Scheduling: Theory and Applications, pp.566-569, August 2003.
E. Ozcan, A. Alkan, Timetabling using a Steady State Genetic Algorithm, Proc. of the 4th International Conference on the Practice and Theory of Automated Timetabling, pp.104-107, August 2002.
E. Ozcan, C. K. Mohan, Particle Swarm Optimization: Surfing the Waves (66K, compressed ps file), Proc. of IEEE 1999 Congress on Evolutionary Computation, pp. 1939-1944, Piscataway, NJ: IEEE Service Center.
E. Ozcan, Analysis of Particle Velocities in a Particle Swarm Optimization System, 8th Turkish Symposium on Artificial Intelligence and Neural Networks, pp. 257-266, June 1999.
E. Ozcan, Shape matching using Genetic Algorithms, PhD Thesis, Syracuse University, August 1998.
E. Ozcan, C. K. Mohan, Analysis of a Simple PSO System, Intelligent Engineering Systems Through Artificial Neural Networks, Vol. 8, pp. 253-258, October 1998.
E. Ozcan, C. K. Mohan, Steady State Memetic Algorithm for Partial Shape Matching, Lecture Notes in Computer Science, V. William Porto and N. Saravanan and Donald E. Waagen and A. E. Eiben, Ed., Evolutionary Programming VII, 7th International Conference, EP98, San Diego, CA, USA, Springer, Berlin, vol. 1447, pp. 527-536, March 25-27 1998..
E. Ozcan, C. K. Mohan, Partial Shape Matching using Genetic Algorithms, Pattern Recognition Letters, 18:987-992, October 1997.
E. Ozcan, C. K. Mohan, Simulated Annealing and Genetic Algorithms for Partial Shape Matching, Proc. of IEEE XI Intl. Symp. on Computer and Information Sciences, pp. 173-181, Nov. 1996.
E. Ozcan, C. K. Mohan, Shape Recognition using Genetic Algorithms, Proc. of IEEE Intl. Conf. on Evolutionary Computation, pp. 414-420, May 1996.
[TR]

E. Yavuz, E. Ozcan, E. E. Korkmaz, Türkiye Haritası Üzerinde Gezgin Satıcı Probleminin Karınca Sistemleri ile Çözülmesi, The 14th Turkish Symposium on Artificial Intelligence and Neural Networks, pp. 193-200, 16-17 June 2005.
I. Maden, S. Demir, E. Ozcan, Türkçe’ den SQL Sorgularına Çeviri Yapan Bir Doğal Dil İşleme Uygulaması (NALAN-TS) (Turkish Natural Language Interface For Generating SQL Queries (NALAN-TS)), TBD 20. Ulusal Bilisim Kurultayı, December 2003, presented.
O. Ulker, E. Ozcan, Çizge Boyama Problemleri İçin Evrimsel Tabu Arama Algoritması (ETA) (Evolutionary Tabu Search Algorithm For Graph Coloring Problem), TBD 20. Ulusal Bilisim Kurultayı, December 2003, presented.
E. Ozcan, Zaman Çizelgeleme Problemleri İçin Standart Bir Veri Formatı Çalışması: TTML, Proc. of the 12thTurkish Symposium on Artificial Intelligence and Neural Networks, pp. 51-53, July 2003.
E. Ozcan, A. Alkan, Çok Nüfuslu Kararlı Hal Genetik Algoritması Kullanarak Otomatik Çizelgeleme, TBD 19. Bilişim Kurultayı, pp. 149-155, September 2002.
UnRefereed Publications
[TR]
- E. Ozcan, Türkiye’deki Üniversitelerde İnternet Tabanlı Akademik Kayıt ve Not Takip Sistemleri (Internet based Academic Registration and Grade Follow-up Systems in Turkey), Akademik Bilisim 2003, ref.100., Akademik Bilisim 2003, ref.100.
- E.Ozcan, A. Akan, S. Demir, M. A. Ergin, H. Kul, S. E. Seker, STARS - Öğrenci Transkript ve Ders Kayıt Sistemi, Açık Kaynaklı Bir İnternet Uygulaması (STARS - Student Transcript, Administration and Registration System, an Open Source Internet Application), Akademik Bilisim 2003, ref.87.
Technical Reports
[TR]
- E. Ozcan, STARS-Analiz Raporu, Yeditepe Üniversitesi, Bilgisayar Mühendisliği Bölümü.
Theses Supervised
- Mustafa Misir, Group Decision Making During Move Acceptance in Hyperheuristics, M.Sc Thesis, Yeditepe University. (2008)
- Ersan Ersoy, Local Search Management Approaches in Memetic Algorithms for Solving Exam Timetabling Problems, M.Sc. Thesis, Istanbul Technical University. (coadvisor - 2007)
- Burak Bilgin, Performance Analysis of Hyperheuristics and Their Use With Hill Climbers, M.Sc. Thesis, Yeditepe University. (2006)
- Murat Yılmaz, Particle Swarm Systems for Multimodal Optimization, M.Sc. Thesis, Yeditepe University. (2006)
- Özgür Ülker, Linear Linkage Encoding in Genetic Algorithms, M.Sc. Thesis, Yeditepe University. (2006)
- Deniz Aldoğan, Memetic Algorithms for Timetabling Problems in Private Schools, M.Sc. Thesis, Middle East Technical University. (coadvisor - 2005)
- Murat Erenturk, Performance Analysis of Meta-heuristic Approaches for Travelling Salesperson Problem, M.Sc. Thesis, Yeditepe University. (2004)
- Alpay Alkan, Solving Course Scheduling Problem using Genetic Algorithms, M.Sc. Thesis, Yeditepe University. (2002)
  Used Genetic Algorithms to solve university course timetabling problem with multiple constraints.
Ongoing Theses
- Türker Erçal, Morphological Filters for Eliminating Noise from Images, MSc Thesis, Yeditepe University. ()
- Onder Baris Asik, Heuristics for Orthogonal Rectangular Strip Packing, MSc Thesis, Yeditepe University. ()
- Murat Birben, Hyperheuristics for Bin Packing, MSc Thesis, Yeditepe University. ()

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