Irem Ozkarahan, Ph.D. >> Publications



Refereed Journals:





  1. BUZACOTT, J. A., OZKARAHAN, I., One and Two stage Scheduling of Two Products with Distributed Inserted Idle Time: Benefits of A Controllable Production Rate; Naval Research Logistics Quarterly, Vol. 30, pp. 675-696,1983.




     
  2. OZKARAHAN, Irem, BAILEY, J., Goal Programming Model Subsystem of A Flexible Nurse Scheduling Support System, IEEE Transactions, Vol. 20, No. 3, pp. 306-316, 1988.




     
  3. OZKARAHAN, Irem, Flexible Nurse Scheduling Support Systems, Computer Methods and Programs in Biomedicine, Vol. 30, Nos. 2/3, pp.145-153, Oct.-Nov. 1989.




     
  4. OZKARAHAN, Irem, A Disaggregation Model of A Flexible Nurse Scheduling Support System, Journal of Socio-Economic Planning Sciences, Vol. 25, No. 1, pp. 9-26, 1991.




     
  5. OZKARAHAN, Irem, Integrated Nurse Scheduling Model, IEEE Journal of the Society for Health Systems, Vol. 3 No. 2, pp. 79-101, 1992.




     
  6. OZKARAHAN, Irem, A Goal programming and Analytic Hierarchy Process Based Model For Scheduling Nurses, Industrial Engineering Journal of Turkish Chamber of Engineers and Architect, Vol. 5, No. 2, pp. 9-24, March-April 1994.




     
  7. OZKARAHAN, Irem, A Scheduling Model For Hospital Residents, Journal of Medical Systems, Vol. 18, No. 5, pp. 251-265, 1994.




     
  8. OZKARAHAN, Irem, Allocation of Surgical Procedures to Operating Rooms, Journal of Medical Systems, Vol. 19, No. 4, pp. 333-352, 1995.




     
  9. OZKARAHAN, Irem, Allocation of Surgeries to Operating Rooms Using Goal Programming, Journal of Medical Systems, Vol. 24, No. 6, pp. 339-378, 2000.




     
  10. SELIM Hasan., OZKARAHAN, Irem, A New Model For The Scheduling Of Emergency Service Vehicles, Industrial Engineers Journal of Turkish Chamber of Engineers and Architects, Vol.14, No 1, pp. 18-27, March 2003.




     
  11. TOPALOGLU, S., OZKARAHAN, Irem, An Implicit Goal Programming Model For The Tour-Scheduling Problem Considering The Employee Work Preferences, the Annals of OR Special Issue on Staff Scheduling and Rostering, 128, pp.135-158, 2004.




     
  12. TOPALOGLU, S., OZKARAHAN, Irem, Implicit Optimal Tour Scheduling with Flexible Break Assignments, Computers and Industrial Engineering, Vol. 44, No. 1, 2003.




     
  13. BILGEN Bilge, OZKARAHAN, Irem, Strategic and Operational Production Distribution Models: a Review, The International Journal of Technology Management Special Issue on Supply Chain Management: Integration Strategies based on New Technologies, Vol. 28, No. 2, pp. 151-171, 2004.




     
  14. TOPALOGLU, Seyda, OZKARAHAN, Irem, Comparison of Different Variable and Value Order Strategies for the Optimum Solution of a Single Machine Scheduling Problem with Sequence Dependent Setups, ISCIS’2004 LNCS Proceedings, Vol. 3280/2004, P.996, October 2004.




     
  15. OZKARAHAN, Irem, et al., Opportunities for Integraration of AI and OR: An Industrial Engineering Perspective, ADVIS’2004 LNCS Proceedings, (Invited Speaker for ADVIS’2004), Vol. 3261/2004, pp. 490-511.




     
  16. SELIM, H., ARAZ, C., OZKARAHAN, I. "An Integrated Multi-Objective Supply Chain Model In A Fuzzy Environment", Industrial Engineering Journal of Turkish Chamber of Engineers and Architects, Vol.15, No. 3 September 2004 pp. 2-16.




     
  17. ARAZ C., OZKARAHAN, I, “A Multicriteria Sorting Procedure for Financial Classification Problems: the Case of Business Failure Risk Assessment”, Sixth International Conference on Data Engineering and Automated Learning (IDEAL 2005) LNCS Proceedings, 2005, pp. 563-570.



     
  18. ARAZ C., OZFIRAT, P.M., OZKARAHAN, I. “An Integrated Multicriteria Decision Making Methodology for Outsourcing Management” Computers and Operations Research, Focused issue on Operations Research and Outsourcing, Vo. 34, No. 12, pp.3738-3756, 2007.



     
  19. BILGEN B., OZKARAHAN I. "Fuzzy Linear Programming Approach to Multi- Mode Distribution Planning", KES2006, Int. Conf. on Knowledge Based&Intelligent Information & Engineering Systems. Buurnemou Int. Conf. Center Oct. 9-11 2006, Lecture Notes in Artificial Intelligence Proceedings, ( Gabry, R.J. Howlett, L.C. Jain (Eds.) KES 2006, Part I, LNAI 4251, pp. 37-45, Springer, 2006.



     
  20. ARAZ C.,SELIM H., OZKARAHAN I., “A Fuzzy Multi-Objective Covering-based Vehicle Location Model for Emergency Services”, Computers and Operations Research, Special Issue on ‘Logistics of Health Care Management’, Vol. 34, Issue 3, March 2007, pp. 705-726.




     
  21. BILGEN B., OZKARAHAN, I., "A Mixed Integer Linear Programming Model for the Bulk Grain Blending and Shipping Problem", International Journal Of Production Economics, Vol.107, pp. 555-571, 2007.



     
  22. SELIM H., OZKARAHAN, I., "Application of Fuzzy Multi-objective Programming Approach to Supply Chain Distribution Network Design Problem", Proceedings of Lecture Notes in Artificial Intelligence (LNAI), 5th Mexican International Conferance on Artificial Intelligence, Mexico, November 13-17, 2006, pp. 415-425. http://dx.doi.org/10.1007/11925231_39



     
  23. SELIM H., OZKARAHAN, I.,"A Supply Chain Distribution Network Design Model: An Interactive Fuzzy Goal Programming Based Solution Approach". The International Journal of Advanced Manufacturing Technology, 2008,Vol. 36, pp. 401-418, (



     
  24. SELIM, H., ARAZ, C. ,OZKARAHAN, I., "Collaborative Production Distribution Planning in Supply Chain: Fuzzy Goal Programming Approach", Transportation Research Part E : Logistics and Transportation Review (TRE), Vol 44, Issue 3, pp. 396-419, May 2008. http://doi:10.1016/j.tre.2006.11.001.



     
  25. ARAZ C., SELIM H., OZKARAHAN I.," A Fuzzy Multiobjective Covering-Based Vehicle Location Model for Emergency Services", Cmputers and Opearations Research, Vol. 34, No. 3, pp. 705-726, 2007.



     
  26. OZGUR, E. OZKARAHAN, I., “design of Manufacturing Cells for Uncertain Production Requirements with Presence of Routing Flexibility”, Lecture Notes in Artificial Intelligence, Vol. 4682, pp.670-681. 2007.



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  27. OZFIRAT P. M., OZKARAHAN, I. "Comparison of Non-Split and Split Delivery Strategies for the Heterogeneous Vehicle Routing Problem", Industrial Engineering Journal of Turkish Chamber of Engineers and Architect, Vol. 18, Number 4, pp.2-13, 2007.



     
  28. EDIS, E., ARAZ,C., OZKARAHAN,I., "Lagrangian-Based Solution Approachs for a Resource-Constrainted Parallel Machine Scheduling Problem With Machine Eligibality Restrictions", The Twenty First International Conference on Industrial Engineering & Other Applications of Applied Intelligent Systems, June 18-20, 2008. LNCS/LNA1 series.(Lecture Notes in Artificial Intelligence), pp.337-346. http://www.iea-aie.pwr.wroc.pl/.


     
  29. EDIS, E. B., OZKARAHAN, I., “Parallel Machine Scheduling Problem with Additional Resources and Machine Eligibility Restrictions: An Iterative Integer Programming Approach”, International Journal of Computers, Information Technology and Engineering, Vol. 2, No. 1, pp. 1-9, June 2008,


     
  30. OZFIRAT P. M., OZKARAHAN, I., " A Heuristic Based on Constraint Programming for the Vehicle Routing Problem with Time Windows, International Journal of Computers, Information Technology and Engineering, Vol. 2 No. 1, pp. 45-51, June 2008.



     
  31. ARAZ C., OZKARAHAN I., "Supplier Evaluation and Management System for Strategic Sourcing Based on A New Multicriteria Sorting Procedure", International Journal of Production Economics,Vol. 106, No. 2, pp. 585-606, 2007.

 

   32.   OZKARAHAN, I., TOPALOGLU, S. “Integration of OR and AI: Medical    Residency  Scheduling Application",  International Journal of Computers, Information Technology and Engineering, to Appear 2010.

    33.   OZFIRAT P. M., OZKARAHAN, I., "Integration of Fuzzy Goal Programming and Integer  Programming for the Heterogeneous Vehicle Routing Problem with Split Deliveries",   International Journal of Computers, Information Technology and Engineering, to Appear 2010.

 

 



 

Refereed Conference Proceedings:






  1. OZKARAHAN, Irem, Flexible Nurse Scheduling Support Systems, Proc. of IEEE SCAMC Symposium on Computer Applications in Medical Care, Nov.1987, pp. 387-392, Washington D.C. STUDENT PAPER COMPETITION FINALIST.




     
  2. OZKARAHAN, Irem, The Zero-One Goal Programming Model of a Flexible Nurse Scheduling Support System, Proc. of Intl. Industrial Engineering Conf., May 1989, pp.436-441, Toronto.




     
  3. OZKARAHAN, Irem, An Optimization Model For Operating Room Utilization, Proc. of Northeast Decision Science Institute Conf., April 1993, pp. 345-347, Philadelphia.




     
  4. OZKARAHAN, Irem, An Hospital Resource Scheduling System, Proc. of Decision Sciences Institute's National Conf., Vol. 2, Nov. 1993, pp. 1081-1083, Washington, D.C.




     
  5. OZKARAHAN, Irem, A Modelling Approach for Scheduling Hospital Residents, Proc. of Decision Sciences Instuitute's National Conf., November 1995, pp. 1512-1514, Boston.




     
  6. OZKARAHAN, Irem, Kural, E., A Zero one GP Based Model for Scheduling Hospital Residents, Proc. of Systems Engineering and Military Applications Conf., October. 1995, pp. 1123-1138, Ankara.




     
  7. OZKARAHAN, Irem, A Flexible Hospital Resource Scheduling Model, Proc. of Decision Sciences Institute's National Conf., November 1996, pp.1030-1032, Orlando.




     
  8. OZKARAHAN, Irem, Kenar, O., A Computer Based Nurse Scheduling Model, Proc. of Turkish Operations Research/Industrial Engineering Society's Conf., pp.61-64, October 96.




     
  9. OZKARAHAN, Irem, TOPALOGLU, Seyda, Optimization Based Modeling for Tour Scheduling with Flexible Break Windows, 7th Annual Industrial Engineering Research Conference. May 9-10 1998, Banff, Alberta, Canada. (Proc. is in CD ROM form. pp. 1-20.).




     
  10. TOPALOGLU, S., OZKARAHAN, Irem, A Goal Programming Approach for Large-Scale Tour Scheduling Problems With Flexible Break Assignments, Proc. of Decision Sciences Institute's National Conf., pp. 1259-1261, November 2000, Florida.




     
  11. SELIM, H., OZKARAHAN, Irem, Emergency Medical Service Vehicle Deployment Model, Proc. of Decision Sciences Institute's National Conf., pp. 1284-1286, November 2000, Florida.




     
  12. BILGEN, B., OZKARAHAN, Irem, Tabu Search Technique for Single Machine Scheduling Problem, Proc. of Decision Sciences Institute's National Conf., p. 1104, November 2000, Florida.




     
  13. TASAN, Serdar, OZKARAHAN, Irem, An Expert System for Operating Room Scheduling, Proc. of 3rd National Health and Hospital Management Symposium, pp. 293-302, September 29-29 2000, Ankara.




     
  14. TASAN, S., OZKARAHAN, Irem, Operating Room Scheduling Expert System, Proceedings of the International Conference on Industry, Engineering, and Management Systems (IEMS) & the International Conference on Computers and Industrial Engineering (ICC&IE) 2001 Joint Meeting, pp.19-24, March 5-7 2001, Florida.




     
  15. BILGEN, B., OZKARAHAN, I., Simulated Annealing Technique for Single Machine Scheduling Problem , The 30-th International Conference on Computers and Industrial Engineering, pp. 95-100, June 29 - July 2, 2002 Tinos Island, Aegean Sea, Greece.




     
  16. BILGEN, B., OZKARAHAN, I., Mixed Integer Programming Based Production and Distribution Models: A review, International Logistic Congress, pp.106-112, June 30- July 01, 2003, Istanbul Turkey.




     
  17. BILGEN, B., OZKARAHAN, I., "Distribution Planning Problem: A Survey"Operations Research Proceedings 2003, Selected Papers of the International Conference on Operations Research (OR 2003), pp: 39-46, Heidelberg, September 3-5, 2003.




     
  18. BILGEN, B., OZKARAHAN, I., "Distribution planning problem using linear programming method", International Logistic Congress, pp. 124-132, 2-3 December, 2004, Izmir, Turkey.




     
  19. SELIM, H., OZKARAHAN, I., ARAZ, C., A Maximal Covering Based Distribution Network Design Model in Supply Chain, Proceedings of the 35th International Conference on Computers & IE-2005, June 2005 Istanbul Turkey, pp. 1717-1728.




     
  20. BILGEN, B., OZKARAHAN, I., Comparison of the Two Different Types of Data Modeling Structure for Distribution Network Planning in a Wheat Supply Chain, Proceedings of the 35th International Conference on Computers & IE-2005, June 2005 Istanbul Turkey, pp. 303-308.




     
  21. EDIS B. E. , ARAZ, C., OZKARAHAN, I., A Lagrangean Based Solution Approach For A Resource- Constrained Parallel Machine Scheduling Problem, Proceedings of the 35th International Conference on Computers & IE-2005, June 2005 Istanbul Turkey, pp. 555-560.




     
  22. OZFIRAT, P., M., OZKARAHAN, I., A Mathematical Approach to the Integration of Exam Timetabling and Proctor Scheduling Problem, Proceedings of the 35th International Conference on Computers & IE-2005, June 2005 Istanbul Turkey, pp. 1505-1510.




     
  23. OZFIRAT, P, M., ARAZ, C., OZKARAHAN, I., Application of Fuzzy Goal Programming Approach To Supplier Selection Problem in Textile Industry, Proceedings of the 35th International Conference on Computers & IE-2005, June 2005 Istanbul Turkey, pp. 1469-1474.




     
  24. EDIS, R. S., OZFIRAT P. M., OZKARAHAN, I., Experimental Design of Tabu Search Factors Applied in Parallel Machine Scheduling, Proceedings of the 35th International Conference on Computers & IE-2005, June 2005 Istanbul Turkey, pp. 549-554.




     
  25. SELIM, H., OZKARAHAN, I., A Supply Chain Distribution Network Design Model: Fuzzy Modeling Approach, International Conference on Information Systems, Logistics and Supply Chain, May 14-17 2006, Lyon, France.


     
  26. OZFIRAT, P. M., EDIS, E., OZKARAHAN,I., Mathematical Modelling Approach For The Course Timetabling Problem Of Dokuz Eylul University Industrial Engineering Department, International Modelling and Simulation Conferance (AMSE'2006) Konya, Turkey. Also, Selcuk Journal of Applied Mathematics, Vol. 7, No 2, pp. 853-857. .


     
  27. OZKARAHAN I., EDIS, E. B., OZFIRAT, P. M. “A Web-Based Decision Support System for Elective Course Assignment: An Integer Programming Approach.” Proceedings of the Tenth World Conference on Integrated Design and Process Technology, pp.288-293, June 3-8, 2007, Antalya, Turkey.



     
  28. EDIS, E. B., OZKARAHAN, I., and YUKSEKOL A.T. (2007). " An Integer Programming Approach for a Service Vehicle Cost-Based Staff Scheduling Problem", A Preprints Volume of 11th IFAC Intl. Symposium CEFIS 2007, pp. 375-380, October 09-11, Istanbul, Turkey.



     
  29. EDIS, E. B., and OZKARAHAN, I., (2007), "Parallel machine scheduling with additional resources: A brief review of the literature ", A Preprints Volume of 11th IFAC Intl. Symposium CEFIS 2007, pp. 381-386, October 09-11, Istanbul, Turkey.

     
  30. EDIS E.B., OZFIRAT P. M., OZKARAHAN I., " A Constraint Programming Approach For A Conference Timetabling Problem", Proceedings of the Thirty-Seventh Annual Meeting of Western Decision Sciences (2008), pp. 603-605, March 2008, San Diego, USA.
     

  31. MIZRAK OZFIRAT PINAR, OZKARAHAN IREM, " A Cell Covering Approach to  a Vehicle Routing Problem With Time Window"  Proceeding on the New Approaches in Science Symposium (2008),  pp. 727-732.

  32. OZKARAHAN, I., TOPALOGLU S., "Integration of Operations Research and Artificial Intelligence: Medical Residency Scheduling Application", International Decision Science Conference Proceedings, Nancy, France, June 24-27, 2009, pp. 850-860.

  33. OZKARAHAN, Irem, EDIS, B. Emrah, OZFIRAT, MIZRAK, Pinar. "Scheduling Operations to Operating Rooms by Mathematical Modelling, Decision Science Institute (DSI) 2009 40th Annual Meeting Proceedings, pp. 921-926, Nov. 14-17, 2009 New Orleans, Luisiana, USA.

  34. OZKARAHAN, Irem, " AI&OR integration application on scheduling medical residents", Society for Design & Process Science (SDPS) Proccedings, Nov. 1-5, Montgomery, AL, USA.


Other Publications:


  1. OZKARAHAN, Irem, BUZACOTT, J. A., Two-product Two-stage Production Scheduling with Distributed Inserted Idle Time; Published abstract ORSA/TIMS Conf. Miami, October 1977.




     
  2. OZKARAHAN, Irem., Two-product Two-stage Deterministic Inventory Control; Proc. of Turkish Operations Research Society's Conf., 1978.




     
  3. OZKARAHAN, Irem., Application of a New Coordination Methodology and its Results in the Municipality of Ankara; Proc. of Turkish Operations Research Society's Conf., 1980.




     
  4. OZKARAHAN, Irem., Model Concepts in Operations Research; Technical Report of Ministry of Transportation, 1978.




     
  5. OZKARAHAN, Irem, BAILEY, J., Two Stage Optimization in Nurse Scheduling Published Abstract, TIMS/ORSA Conf. Los Angeles, April 1986.




     
  6. OZKARAHAN, Irem, BAILEY, J., Goal Programming Model Subsystem of A Flexible Nurse Scheduling Support System, Published Abstract ORSA/TIMS Conf., Miami, October 1986.




     
  7. OZKARAHAN, Irem, BAILEY, J., Linear Programming Model of the Model Subsystem of Flexible Nurse Scheduling, Published Abstract ORSA/TIMS Conf., St. Louis, October 1987.




     
  8. OZKARAHAN, Irem, A Disaggregation Model of a Nurse Scheduling Support System, Published Abstract ORSA/TIMS Conf. Denver, 1988.




     
  9. OZKARAHAN, Irem, A Zero One Goal Programming Model for Scheduling Nurses, Published Abstract TIMS/ORSA Conf. Las Vegas, May 1990




     
  10. OZKARAHAN, Irem, A Resident Scheduling Model, Published Abstract ORSA/TIMS Conf. Philadelphia, October 1990.




     
  11. OZKARAHAN, Irem, Slezak, J., An Automated Process Planning for Forging Industry, Published abstract ORSA/TIMS Conf. Anaheim, November 1991.




     
  12. OZKARAHAN, Irem, Slezak, J., An Expert System Application in the Forging Industry, Published abstract POMS Conf. New York City, November 1991.




     
  13. OZKARAHAN, Irem, An Expert Scheduling System, Published abstract, TIMS/ORSA, Chicago, May 1993.




     
  14. OZKARAHAN, Irem, Industrial Engineering Education in Turkey, panelist, April 1994, and published in Industrial Engineers Journal of Society of Turkish Engineers and Architects, Vol. 5, No. 3, pp. 24-29, May-June 1994.




     
  15. TANIK, Y., OZKARAHAN I., A Goal Programming Approach for Operating Room Scheduling, Turkish Operations Research/Industrial Engineering Conf., Ankara, July 1995.




     
  16. SEZEN, F., OZKARAHAN, I., An Expert System For Production Planning, Turkish Operations Research/Industrial Engineering Conf., Ankara, July 1995.




     
  17. ERTURER, E., OZKARAHAN, I., A Scheduling Application In A Textile Industry, Turkish Operations Research/Industrial Engineering Conf., Ankara, July 1995.




     
  18. OZKARAHAN, Irem, Computer Based Hospital Resource Scheduling System, Machine Magazine, May 1996, pp.80-82.




     
  19. TOPALOGLU, S., OZKARAHAN, I., An Integer Programming Model for Personnel Scheduling in Service Industry, Turkish Operations Research/Industrial Engineering Conf., Ankara, June 1998. 
     
  20. TOPALOGLU, S., OZKARAHAN, I., A Multi Criteria Decision Model for Personnel Scheduling in Service Industry, Turkish Operations Research/Industrial Engineering Conf., Ankara, June 1999. 

     
  21. SELIM, H., OZKARAHAN, I., An Emergency Vehicle Scheduling Model, Turkish Operations Research/Industrial Engineering Conf., Ankara, June 1999. 

     
  22. BILGEN, B., OZKARAHAN, I., A Tabu Search Algorithm for A Single Machine Total Tardiness Problem, Turkish Operations Research/Industrial Engineering Conf., Ankara, June 1999. 

     
  23. TOPALOGLU, S., OZKARAHAN, I., Solving Constraint Satisfaction Problems by Constraint Programming, Turkish Operations Research/Industrial Engineering Conf., Cyprus, June 2000. 

     
  24. TOPALOGLU, S., OZKARAHAN, I., A Two-Phase Solution Approach for the Hospital Resident Scheduling Problem Using Constraint and Mixed-Integer Programming, EURO/INFORMS Joint International Meeting, 6-10 July 2003, Istanbul, TURKEY 

     
  25. TOPALOGLU, S., OZKARAHAN, I.,Comparison of Different Search Heuristics Proposed for a Constraint-Based Solution Approach to the Job Sequencing Problem, International Conference on Operations Research, University of Heidelberg, Germany, 3-5 Sept. 2003.

      
  26. BILGEN, B., OZKARAHAN, I., Mixed Integer Programming Approach for Distribution Planning Problem, International Conference on Operations Research, University of Heidelberg, Germany, 3-5 Sept. 2003, p.67. 
     
  27. EDIS E., OZKARAHAN, I., Comparison of Integer Programming, Constraint Programming And Hybrid Approaches for a Class of Scheduling Problems, Operations Research and Industrial Engineering 26th National Conference Proceedings, pp. 281-285, July 3rd-5th 2006, Gebze, Turkey.

     
  28. OZFIRAT, P. M., OZKARAHAN, I.,A Cluster First Route Second Algorithm For The Heterogeneous Vehicle Routing Problem,Operations Research and Industrial Engineering 26th National Conference Proceedings, pp. 281-285, July 3rd-5th 2006, Gebze, Turkey.
     
  29. EDIS E.B., OZKARAHAN, I., “Integer Programming and Constraint Programming      Approaches for a Resource Constrained Parallel Machine Scheduling Problem” (in Turkish), Operations Research and Industrial Engineering 29th National Conference Abstract Book, p.133, June 22-24 2009, Ankara, Turkey.