{"id":8,"date":"2016-07-19T10:46:08","date_gmt":"2016-07-19T10:46:08","guid":{"rendered":"http:\/\/blog.metu.edu.tr\/kgulsah\/?page_id=8"},"modified":"2022-12-08T07:09:24","modified_gmt":"2022-12-08T07:09:24","slug":"research","status":"publish","type":"page","link":"https:\/\/blog.metu.edu.tr\/kgulsah\/research\/","title":{"rendered":"Research"},"content":{"rendered":"<h4><span style=\"color: #ff0000\">Journal Papers<\/span><\/h4>\n<ul>\n<li><strong>Karakaya, G.<\/strong> and K\u00f6ksalan, M., Finding preferred solutions under weighted Tchebycheff preference functions for multi-objective integer programs, to appear in <em>European Journal of Operational Research<\/em>.<\/li>\n<li>\u00d6zarslan, A. and <strong>Karakaya, G.<\/strong>, Interactive approaches to multiple criteria sorting problems: entropy-based question selection methods, to appear in <em>International Journal of Information Technology &amp; Decision Making<\/em>.<\/li>\n<li>Tuncer \u015eakar, C., <strong>Karakaya, G.<\/strong>, Bilgin, E., K\u0131l\u0131\u00e7, L., and Kalyoncu, U., Predicting the response to biologic DMARDs in rheumatoid arthritis: Then what?, <em>Journal of Turkish Society for Rheumatology<\/em>, 14(2), 87-93, 2022.<\/li>\n<li><strong>Karakaya, G.<\/strong> and K\u00f6ksalan, M., Evaluating solutions and solution sets under multiple objectives, <em>European Journal of Operational Research, <\/em>294(1), 16-28, 2021.\u00a0<\/li>\n<li>\u00d6zarslan, A. and <strong>Karakaya, G.<\/strong>, A new interactive approach to multiple criteria sorting problems: an application in energy sector, <em>Journal of The Faculty of\u00a0<\/em><em>Engineering and Architecture of Gazi University, <\/em>36(4), 2239-2254, 2021.<\/li>\n<li>Y\u0131ld\u0131r\u0131m, B.C., <strong>Karakaya, G.<\/strong>, and G\u00f6n\u00fcl, M.S., Fibonacci series based pairwise comparison scale for Analytic Hierarchy Process,\u00a0 <em>International Journal of Information Technology &amp; Decision Making, <\/em>20(3), 959-986, 2021.<\/li>\n<li>G\u00f6r, B. and <strong>Karakaya, G.<\/strong>, Optimization of plate recognition sensor locations: a case study in Turkey,\u00a0 <em>Journal of Industrial Engineering, <\/em>32(1), 147-163, 2021.<\/li>\n<li><strong>Karakaya, G.<\/strong> and Tuncer \u015eakar, C., A new interactive algorithm for continuous multiple criteria problems: a portfolio optimization example, <em>International Journal of Information Technology &amp; Decision Making, <\/em>20(1), 371-398, 2021.\u00a0<\/li>\n<li><strong>Karakaya, G.<\/strong>\u00a0and K\u00f6ksalan, M., Interactive approaches for biobjective problems with progressively changing solution sets,\u00a0<em>International Transactions in Operational Research,\u00a0<\/em>28, 356-375, 2021<i>.\u00a0<\/i><\/li>\n<li><strong>Karakaya, G.<\/strong>\u00a0and K\u00f6ksalan, M., Estimating the form of a decision maker\u2019s preference function and converging towards preferred solutions, <em>IISE Transactions<\/em>, 52(6), 651-664, 2020.\u00a0<\/li>\n<li><strong>Karakaya, G.<\/strong> and Tuncer \u015eakar, C., An interactive ranking-based multi-criteria choice algorithm with filtering: applications to university selection, <em>METU Studies in Development<\/em>, 46(June), 17-46, 2019.\u00a0<\/li>\n<li>Tuncer \u015eakar, C. and <strong>Karakaya, G.<\/strong>, An interactive approach with filtering to find a preferred solution of a decision maker, \u00a0<em>Journal of The Faculty of\u00a0<\/em><em>Engineering and Architecture of Gazi University, <\/em>34(4), 1987-2005, 2019.\u00a0<\/li>\n<li><strong>Karakaya, G.<\/strong>, K\u00f6ksalan, M., and Ahipa\u015fao\u011flu, S.D., Interactive algorithms for a broad underlying family of preference functions,\u00a0<em>European Journal of Operational Research<\/em>, 265(1), 248-262, 2018.\u00a0<\/li>\n<li>\u00d6zmen, M.,\u00a0<strong>Karakaya, G.<\/strong>, and K\u00f6ksalan, M., Interactive evolutionary approaches to multi-objective feature selection, <em>International Transactions in Operational Research<\/em>, 25, 1027-1052, 2018.\u00a0<\/li>\n<li>Taormina, R., Galelli, S., <strong>Karakaya, G.<\/strong>, and Ahipa\u015fao\u011flu, S.D., An information theoretic approach to select alternate subsets of predictors for data-driven hydrological models, <em>Journal of Hydrology<\/em>, 542, 18-34, 2016.\u00a0<\/li>\n<li><strong>Karakaya, G.<\/strong> and K\u00f6ksalan,\u00a0M., \u00a0An interactive approach for bi-attribute multi-item auctions,\u00a0<em>Annals of Operations Research<\/em>, 245(1), 97-119, 2016.\u00a0<\/li>\n<li><strong>Karakaya, G.<\/strong>, Galelli, S., Ahipa\u015fao\u011flu, S.D., and Taormina,\u00a0R., Identifying (quasi) equally informative subsets in feature selection problems for classification: a max-relevance min-redundancy approach, <em>IEEE Transactions on Cybernetics<\/em>, 46(6), 1424-1437, 2016.\u00a0<\/li>\n<li>K\u00f6ksalan, M. and <strong>Karakaya, G.<\/strong>, An evolutionary algorithm for finding efficient solutions in multi-attribute auctions, <em>International Journal of Information Technology &amp; Decision Making<\/em>, 13(3), 649-673, 2014.\u00a0<\/li>\n<li><strong>Karakaya, G. <\/strong>and K\u00f6ksalan,\u00a0M., An interactive approach for multi-attribute auctions, <em>Decision Support Systems<\/em>, 51, 299-306, 2011.\u00a0<\/li>\n<\/ul>\n<h4><span style=\"color: #ff0000\">Projects<\/span><\/h4>\n<ul>\n<li>An Agent-based Model for Flood Risk Mapping: Integration of Urbanization and Climate Change Effects (as <strong>Researcher<\/strong>)<br \/>T\u00dcB\u0130TAK 2525 (BMBF) <em>between<\/em> Sep. 2021 &#8211;\u00a0<\/li>\n<li>Interactive Approaches for Estimating the Underlying Preference Function of a Decision Maker in Multi-criteria Problems (as <strong>Coordinator<\/strong>)<br \/>Y\u00d6P-402-2018-2668\u00a0<em>between<\/em>\u00a0May 2018 &#8211;\u00a0May 2019<\/li>\n<li>Interactive Approaches for Finding Efficient Solutions in Multi-criteria Integer Optimization Problems (as <strong>Coordinator<\/strong>)<br \/>METU BAP-08-11-2016-070\u00a0<em>between<\/em>\u00a0Jul. 2016 &#8211; Dec. 2016<\/li>\n<li>Turkey\u00a0Digital Index Research\u00a0(as<strong> Researcher<\/strong>)<br \/>Accenture\u00a0 <em>between<\/em>\u00a0Aug. 2016 &#8211; Dec. 2016<\/li>\n<li>Accenture Digital Index Project (as<strong> Researcher<\/strong>)<br \/>Accenture\u00a0 <em>between<\/em>\u00a0Feb. 2015 &#8211; Jul. 2015<\/li>\n<li>Threat Assessment and Weapon Target Assignment Project (as <strong>Researcher<\/strong>)<br \/>ASELSAN Electronic Industries Inc.\u00a0\u00a0<em>between<\/em> Jan. 2010 &#8211; Sep. 2013<\/li>\n<\/ul>\n<h4><span style=\"color: #ff0000\">Presentations<\/span><\/h4>\n<ul>\n<li>G\u00f6kalp, H.G. and Karakaya, G., \u201cTwo multi-criteria decision making methods for selection of wide-body passenger aircraft,\u201d 18th International Balkan and Near Eastern Congress Series on Economics, Business and Management, Ohrid, Macedonia, November 2022.<\/li>\n<li>Kurt, A., T\u00fcrk\u00fcn Kaya, B., and Karakaya, G., \u201cA new mathematical model based approach to multi-criteria stock selection problem,\u201d 41st YAEM National Conference, Denizli, Turkey, October 2022.<\/li>\n<li>K\u00f6ksalan, M. and Karakaya, G., \u201cInteractive approaches to converge preferred solutions under distance-based value functions,\u201d INFORMS Annual Meeting, Indiana, USA, October 2022.<\/li>\n<li>K\u00f6ksalan, M. and Karakaya, G., \u201cA new interactive algorithm for multiple criteria sorting problems under a variety of preference functions,\u201d 25th International Conference on MCDM, Portsmouth, UK, June 2022.<\/li>\n<li>Karakaya, G. and K\u00f6ksalan, M., \u201cInteractive algorithms for finding preferred solutions under weighted Tchebycheff preference functions,\u201d 22nd Conference of the International Federation of Operational Research Societies (IFORS), Seoul, South Korea, August 2021.<\/li>\n<li>Ye\u011fin, M., Kentel, E., Karakaya, G., and Demir, E., \u201cVeri zarflama analizi ile T\u00fcrkiye&#8217;de ta\u015fk\u0131n riskli alanlar\u0131n belirlenmesi,\u201d 40th YAEM National Conference, Istanbul, Turkey, July 2021.<\/li>\n<li>Akbudak, \u00d6., Azizo\u011flu, M., and Karakaya, G., \u201c\u0130ki ama\u00e7l\u0131 sa\u011fl\u0131k projelerinin \u00e7izelgelenmesi i\u00e7in yakla\u015f\u0131mlar,\u201d 40th YAEM National Conference, Istanbul, Turkey, July 2021.<\/li>\n<li>\u00dcnsal E.B. and Karakaya, G., \u201cA decision support system for employee scheduling problem in hospitality sector: a case study in a Turkish firm,\u201d 13th International Balkan and Near Eastern Congress Series on Economics, Business and Management, Tekirda\u011f, Turkey, October 2019.<\/li>\n<li><span style=\"font-family: 'Open Sans', sans-serif;font-size: 15px;font-style: normal;font-weight: 400\">\u00d6zarslan, A. and <\/span>Karakaya, G., \u201cAn interactive sorting approach based on information theoretic measure,\u201d 25th International Conference on MCDM, \u0130stanbul, Turkey, June 2019.<\/li>\n<li>Karakaya, G. and K\u00f6ksalan, M., \u201cComparison of solutions under a weighted Tchebycheff function,\u201d 25th International Conference on MCDM, \u0130stanbul, Turkey, June 2019.<\/li>\n<li><span style=\"font-family: 'Open Sans', sans-serif;font-size: 15px;font-style: normal;font-weight: 400\">\u00d6zarslan, A. and <\/span>Karakaya, G., \u201cAlternatiflerin s\u0131n\u0131fland\u0131r\u0131lmas\u0131 i\u00e7in yeni bir etkile\u015fimli yakla\u015f\u0131m,\u201d 39th YAEM National Conference, Ankara, Turkey, June 2019.<\/li>\n<li><span style=\"font-family: 'Open Sans', sans-serif;font-size: 15px;font-style: normal;font-weight: 400\">Karakaya, G. and\u00a0<\/span>Tuncer \u015eakar, C., \u201cA filtering-enabled interactive algorithm to find preferred solutions of the decision maker,\u201d INFORMS Annual Meeting, Phoenix, USA, November 2018.<\/li>\n<li><span style=\"font-family: 'Open Sans', sans-serif;font-size: 15px;font-style: normal;font-weight: 400\">K\u00f6ksalan M. and Karakaya, G.<\/span>, \u201cEstimating the form of a decision maker&#8217;s preference function and converging to preferred solutions,\u201d INFORMS Annual Meeting, Phoenix, USA, November 2018.<\/li>\n<li>Y\u0131ld\u0131r\u0131m, B.C., Karakaya, G., and G\u00f6n\u00fcl, M.S., \u201cAnalitik hiyerar\u015fi s\u00fcreci i\u00e7in yeni ikili kar\u015f\u0131la\u015ft\u0131rma \u00f6l\u00e7e\u011fi,\u201d 38th YAEM National Conference, Eski\u015fehir, Turkey, June 2018.<\/li>\n<li>Tuncer \u015eakar, C. and Karakaya, G., \u201cKarar vericinin tercih etti\u011fi \u00e7\u00f6z\u00fcm\u00fc bulmak i\u00e7in filtreleme yard\u0131ml\u0131 interaktif bir y\u00f6ntem,\u201d 38th YAEM National Conference, Eski\u015fehir, Turkey, June 2018.<\/li>\n<li>\u00d6zmen, M., Karakaya, G., and K\u00f6ksalan, M., \u201cInteractive evolutionary approaches to multi-objective feature selection,\u201d INFORMS Annual Meeting, Houston, USA, October 2017.<\/li>\n<li>Ayd\u0131n Akta\u015f, A., Karakaya, G., and G\u00f6n\u00fcl, M.S., \u201cSa\u011fl\u0131k turizmi ve destek mekanizmalar\u0131: d\u00fcnya \u00f6rnekleri ile T\u00fcrkiye uygulamalar\u0131n\u0131n k\u0131yaslanmas\u0131,\u201d 37th YAEM National Conference, Istanbul, Turkey, July 2017.<\/li>\n<li>Karakaya, G., K\u00f6ksalan,\u00a0M., and Ahipa\u015fao\u011flu, S.D., \u201cInteractive algorithms for a wide variety of preference functions,\u201d INFORMS Annual Meeting, Nashville, USA, November 2016.<\/li>\n<li>K\u00f6ksalan,\u00a0M., \u00d6zmen, M., and Karakaya, G., \u201cAn interactive evolutionary approach to multi-objective feature selection,\u201d 28th European Conference on Operational Research, Poznan, Poland, July 2016.<\/li>\n<li>Karakaya, G., Galelli, S., Ahipa\u015fao\u011flu, S.D., and Taormina, R., \u201cIdentifying quasi equally informative subsets in multi-objective feature selection problems for classification,\u201d 28th European Conference on Operational Research, Poznan, Poland, July 2016.<\/li>\n<li>\u00d6zmen, M., Karakaya, G., and K\u00f6ksalan, M., \u201cA preference-based approach to multi-objective feature selection,\u201d INFORMS Annual Meeting, Philadelphia, USA, November 2015.<\/li>\n<li>Karakaya, G. and K\u00f6ksalan, M., \u201c\u0130ki ama\u00e7l\u0131 \u00e7ok \u00fcr\u00fcnl\u00fc a\u00e7\u0131k artt\u0131rmalar i\u00e7in etkile\u015fimli bir yakla\u015f\u0131m,\u201d 35th YAEM National Conference, Ankara, Turkey, September 2015.<\/li>\n<li>Karakaya, G. and K\u00f6ksalan, M., \u201cAn interactive approach for bi-attribute multi-item auctions under quasiconvex preference functions,\u201d 23rd International Conference on MCDM, Hamburg, Germany, August 2015.<\/li>\n<li>Karakaya, G., Galelli, S., and Ahipa\u015fao\u011flu, S.D., \u201cA minimum redundancy\/maximum relevance input variable selection approach to identify equally informative subsets for hydrological models,\u201d World Environmental and Water Resources Congress, Austin, USA, May 2015.<\/li>\n<li>Karakaya, G., Taormina, R., Galelli, S., and Ahipa\u015fao\u011flu, S.D., \u201cAn entropy-based input variable selection approach to identify equally informative subsets for data-driven hydrological models,\u201d European Geosciences Union (EGU) General Assembly 2015, Vienna, Austria, April 2015.<\/li>\n<li>Karakaya, G. and K\u00f6ksalan, M., \u201cDecision Support for Multi-attribute Multi-item Reverse Auctions,\u201d 22nd International Conference on MCDM, Malaga, Spain, June 2013.<\/li>\n<li>Karakaya, G. and K\u00f6ksalan, M., \u201cAn Approach for Multi-attribute Multi-item Reverse Auctions,\u201d International IIE Conference and 33rd YAEM National Conference, Istanbul, Turkey, June 2013.<\/li>\n<li>Karakaya, G. and K\u00f6ksalan, M., \u201cDecision Support for Multi-attribute Multi-item Reverse Auctions,\u201d 21st International Symposium on Mathematical Programming (ISMP), Berlin, Germany, August 2012.<\/li>\n<li>Karakaya, G. and K\u00f6ksalan, M., \u201cAn Interactive Approach for Multi-attribute Multi-item Reverse Auctions,\u201d 21st International Conference on MCDM, Jyvaskyla, Finland, June 2011.<\/li>\n<li>Karakaya, G. and K\u00f6ksalan, M., \u201cAn Approach for Multi-attribute Reverse Auctions,\u201d 20th International Conference on MCDM, Chengdu, China, June 2009.<\/li>\n<\/ul>\n\n","protected":false},"excerpt":{"rendered":"<p>Journal Papers Karakaya, G. and K\u00f6ksalan, M., Finding preferred solutions under weighted Tchebycheff preference functions for multi-objective integer programs, to appear in European Journal of Operational Research. \u00d6zarslan, A. and Karakaya, G., Interactive approaches to multiple criteria sorting problems: entropy-based question selection methods, to appear in International Journal of Information &#8230;<\/p>\n","protected":false},"author":4284,"featured_media":0,"parent":0,"menu_order":1,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-8","page","type-page","status-publish","hentry","column","twocol"],"_links":{"self":[{"href":"https:\/\/blog.metu.edu.tr\/kgulsah\/wp-json\/wp\/v2\/pages\/8","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/blog.metu.edu.tr\/kgulsah\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/blog.metu.edu.tr\/kgulsah\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/blog.metu.edu.tr\/kgulsah\/wp-json\/wp\/v2\/users\/4284"}],"replies":[{"embeddable":true,"href":"https:\/\/blog.metu.edu.tr\/kgulsah\/wp-json\/wp\/v2\/comments?post=8"}],"version-history":[{"count":0,"href":"https:\/\/blog.metu.edu.tr\/kgulsah\/wp-json\/wp\/v2\/pages\/8\/revisions"}],"wp:attachment":[{"href":"https:\/\/blog.metu.edu.tr\/kgulsah\/wp-json\/wp\/v2\/media?parent=8"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}