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Hacı Hasan Örkcü
Prof. Dr.
GAZI UNIVERSITY
Publication
32
Review
28
CrossRef Cited
18
32
Publication
28
Review
18
CrossRef Cited
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Summary
Publications
Peer Review
Cited
Research Fields
Statistical Analysis
Operation
Classification Algorithms
Statistics (Other)
Statistical Data Science
Mathematical Optimisation
Institution
GAZI UNIVERSITY
Publications
Mapping Criminal Activities Using Biclustering Methods based on Nationality Information of Offenders
Authors:
Ramazan Arslan
,
H. Hasan Örkcü
,
Ahmet Kocatürk
Published: 2026 ,
Gazi University Journal of Science
DOI: 10.35378/gujs.1716857
FAVORITE
0
TOTAL DOWNLOAD COUNT
788
0
FAVORITE
788
TOTAL DOWNLOAD COUNT
Türkiye'deki üniversitelerin performans değerlendirmesi: İkili kümeleme analizi ve en etkili VZA modeline dayalı bir yaklaşım
Authors:
Ahmet Kocatürk
,
Emre Koçak
,
Hacı Hasan Örkcü
Published: 2026 ,
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.1650429
FAVORITE
0
TOTAL DOWNLOAD COUNT
252
0
FAVORITE
252
TOTAL DOWNLOAD COUNT
Türkiye’deki Suç Türlerinin İllere Göre İkili Kümeleme Yöntemiyle İncelenmesi
Authors:
Demet Albasar
,
Ahmet Kocatürk
,
Hacı Hasan Örkcü
Published: 2025 ,
Gazi Üniversitesi Fen Fakültesi Dergisi
DOI: 10.63716/guffd.1748380
FAVORITE
0
TOTAL DOWNLOAD COUNT
976
0
FAVORITE
976
TOTAL DOWNLOAD COUNT
Ranking Decision Making Units (DMUs) Using Support Vector Machines (SVM) & Ideal DMU
Authors:
Mehmet Ünsal
,
Volkan Soner Özsoy
,
H. Hasan Örkcü
Published: 2025 ,
Journal of Turkish Operations Management
DOI: 10.56554/jtom.1532492
FAVORITE
0
TOTAL DOWNLOAD COUNT
300
0
FAVORITE
300
TOTAL DOWNLOAD COUNT
The parameter estimation of the COVID-19 death based on the Gumbel distribution through the multi-objective programming: Turkey case
Authors:
Ecem Demir Yurtseven
,
Emre Koçak
,
H. Hasan Örkcü
Published: 2024 ,
Gazi University Journal of Science
DOI: 10.35378/gujs.1393264
FAVORITE
0
TOTAL DOWNLOAD COUNT
505
0
FAVORITE
505
TOTAL DOWNLOAD COUNT
Energy Modeling of Türkiye Road and Rail Transport Towards Net Zero Emissions Target (2025-2050)
Authors:
Onur Dönmezçelik
,
Emre Koçak
,
H. Hasan Örkcü
Published: 2024 ,
Journal of Polytechnic
DOI: 10.2339/politeknik.1212520
FAVORITE
0
TOTAL DOWNLOAD COUNT
3127
0
FAVORITE
3127
TOTAL DOWNLOAD COUNT
Particle swarm optimization based feature selection using factorial design
Authors:
Emre Koçak
,
H. Hasan Örkcü
Published: 2024 ,
Hacettepe Journal of Mathematics and Statistics
DOI: 10.15672/hujms.1346686
FAVORITE
0
TOTAL DOWNLOAD COUNT
1188
0
FAVORITE
1188
TOTAL DOWNLOAD COUNT
Modeling of wind speed using differential evolution: Istanbul case
Authors:
Emre Koçak
,
Volkan Soner Özsoy
,
H. Hasan Örkcü
Published: 2024 ,
Sigma Journal of Engineering and Natural Sciences
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
522
0
FAVORITE
522
TOTAL DOWNLOAD COUNT
Analysis of the Performance of METU Technoparks Firms with Data Envelopment Analysis
Authors:
H. Hasan Örkcü
, Özge Sevim
Published: 2023 ,
Journal of Polytechnic
DOI: 10.2339/politeknik.685005
FAVORITE
0
TOTAL DOWNLOAD COUNT
1753
0
FAVORITE
1753
TOTAL DOWNLOAD COUNT
Influence of Finishing Procedures on Surface Roughness and Biaxial Flexural Strength of High-translucent 4Y-PSZ, 5Y-PSZ, and 6Y-PSZ Monolithic Zirconia
Authors:
Gülsüm Doğru
,
Elif Demiralp
,
Emre Koçak
,
H. Hasan Örkcü
,
Prof. Dr. Cemal Aydın
,
Handan Yılmaz
Published: 2023 ,
Clinical and Experimental Health Sciences
DOI: 10.33808/clinexphealthsci.1073010
FAVORITE
0
TOTAL DOWNLOAD COUNT
1582
0
FAVORITE
1582
TOTAL DOWNLOAD COUNT
A multi-objective programming approach to Weibull parameter estimation
Authors:
Emre Koçak
,
Ecem Demir Yurtseven
,
H. Hasan Örkcü
Published: 2022 ,
Hacettepe Journal of Mathematics and Statistics
DOI: 10.15672/hujms.912435
FAVORITE
0
TOTAL DOWNLOAD COUNT
1263
0
FAVORITE
1263
TOTAL DOWNLOAD COUNT
Madde ömrü tahmininde çok amaçlı programlama tabanlı bir yaklaşım: Weibull dağılımı uygulaması
Authors:
Emre Koçak
,
H. Hasan Örkcü
Published: 2022 ,
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.918607
FAVORITE
0
TOTAL DOWNLOAD COUNT
1254
0
FAVORITE
1254
TOTAL DOWNLOAD COUNT
Measuring the Efficiency of Turkish State Universities Based on a Two-Stage DEA Model
Authors:
Emre Koçak
,
H. Hasan Örkcü
Published: 2021 ,
Gazi University Journal of Science
DOI: 10.35378/gujs.801115
FAVORITE
0
TOTAL DOWNLOAD COUNT
947
0
FAVORITE
947
TOTAL DOWNLOAD COUNT
Parametre Tahmininde Farklı Doğrusal Programlama Modellerinin Karşılaştırılması
Authors: Emre Koçak,
H. Hasan Örkcü
Published: 2020 ,
Gazi Üniversitesi Fen Fakültesi Dergisi
DOI: 10.5281/zenodo.4317945
FAVORITE
0
TOTAL DOWNLOAD COUNT
768
0
FAVORITE
768
TOTAL DOWNLOAD COUNT
Karma-tamsayılı iki aşamalı veri zarflama analizi modeli ile en etkin tedarikçi seçimi
Authors:
Volkan Soner Özsoy
, Mediha Örkcü,
Hasan Örkcü
Published: 2020 ,
Pamukkale University Journal of Engineering Sciences
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1049
0
FAVORITE
1049
TOTAL DOWNLOAD COUNT
Risk Premium For Dependent Risks Using Utility Copulas And Risk Aversion
Authors:
Kübra Durukan
,
Hasan Orkcu
,
Emel Kizilok Kara
Published: 2019 ,
Istatistik Journal of The Turkish Statistical Association
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
686
0
FAVORITE
686
TOTAL DOWNLOAD COUNT
Çok gruplu sınıflandırma problemlerine regresyon analizi ve matematiksel programlama tabanlı yeni bir yaklaşım
Authors:
Mustafa İsa Doğan
,
Abdullah Orman
,
Mediha Örkcü
,
H. Hasan Örkcü
Published: 2019 ,
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.571643
FAVORITE
0
TOTAL DOWNLOAD COUNT
1774
0
FAVORITE
1774
TOTAL DOWNLOAD COUNT
Şehirlerin Suç Türlerine Göre İkili Kümeleme Yöntemi ile Gruplandırılması: Türkiye Örneği
Authors:
H. Hasan Örkcü
, Bülent Altunkaynak,
Ramazan Arslan
Published: 2018 ,
Süleyman Demirel University Journal of Natural and Applied Sciences
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
3148
0
FAVORITE
3148
TOTAL DOWNLOAD COUNT
A modified test for detecting influential decision-making units in data envelopment analysis
Authors:
İrmak Acarlar
,
Sinem Tuğba Şahin Tekin
,
H. Hasan Örkcü
Published: 2018 ,
Hacettepe Journal of Mathematics and Statistics
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1069
0
FAVORITE
1069
TOTAL DOWNLOAD COUNT
CLUSTERING OF CRIMINALS ACCORDING TO THE TYPES OF MATERIAL CAUGHT IN SMUGGLING: BICLUSTERING METHOD
Authors:
Ramazan Arslan
,
Hacı Hasan Örkcü
,
Bülent Altunkaynak
Published: 2018 ,
International Journal of Economics and Administrative Studies
DOI: 10.18092/ulikidince.348119
FAVORITE
0
TOTAL DOWNLOAD COUNT
3507
0
FAVORITE
3507
TOTAL DOWNLOAD COUNT
CLUSTERING BY SECTORS ACCORDING TO THE TYPE OF FATAL ACCIDENTS IN TURKEY: THE BICLUSTERING METHOD
Authors:
Ahmet Kocatürk
,
Bülent Altunkaynak
,
Hacı Hasan Örkcü
Published: 2018 ,
International Journal of Economics and Administrative Studies
DOI: 10.18092/ulikidince.348053
FAVORITE
0
TOTAL DOWNLOAD COUNT
3364
0
FAVORITE
3364
TOTAL DOWNLOAD COUNT
Ranking decision making units with the integration of the multi-dimensional scaling algorithm into PCA-DEA
Authors:
Mehmet Guray Unsal
,
H. Hasan Orkcu
Published: 2017 ,
Hacettepe Journal of Mathematics and Statistics
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
915
0
FAVORITE
915
TOTAL DOWNLOAD COUNT
ESTIMATING THE PARAMETERS OF NONLINEAR REGRESSION MODELS THROUGH PARTICLE SWARM OPTIMIZATION
Authors:
Volkan Soner Özsoy
,
H.Hasan Örkçü
Published: 2016 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
6840
0
FAVORITE
6840
TOTAL DOWNLOAD COUNT
Veri Zarflama Analizi Tabanlı Yeni Bir Hibrid İki Gruplu Sınıflandırma Modeli
Authors:
H. Hasan Örkcü
,
Mustafa İsa Doğan
Published: 2015 ,
Süleyman Demirel University Journal of Natural and Applied Sciences
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1486
0
FAVORITE
1486
TOTAL DOWNLOAD COUNT
DATA ENVELOPMENT ANALYSIS CROSS EFFICIENCY EVALUATION APPROACH TO THE TECHNOLOGY SELECTION
Authors:
H.hasan Örkcü
,
Mediha Örkcü
Published: 2015 ,
Gazi University Journal of Science Part A: Engineering and Innovation
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1285
0
FAVORITE
1285
TOTAL DOWNLOAD COUNT
A Hybrid Applied Optimization Algorithm for Training Multi-Layer Neural Networks in Data Classification
Authors:
H. Hasan Örkçü
,
Mustafa Doğan
,
Mediha Örkçü
Published: 2015 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1654
0
FAVORITE
1654
TOTAL DOWNLOAD COUNT
A New Approach To Cross Efficiency In Data Envelopment Analysis and Performance Evaluation of Turkey Cities
Authors:
H.hasan Örkcü
, Hasan Bal
Published: 2012 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
954
0
FAVORITE
954
TOTAL DOWNLOAD COUNT
A COMBINING MATHEMATICAL PROGRAMMING METHOD FOR
Authors:
H.hasan Örkcü
,
Hasan Bal
Published: 2011 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1108
0
FAVORITE
1108
TOTAL DOWNLOAD COUNT
COMBINING THE DISCRIMINANT ANALYSIS AND THE DATA ENVELOPMENT ANALYSIS IN VIEW OF MULTIPLE CRITERIA DECISION MAKING: A NEW MODEL
Authors: Hasan Bal,
H. Hasan Örkçü
Published: 2010 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1378
0
FAVORITE
1378
TOTAL DOWNLOAD COUNT
The Comparison of Principal Component Analysis and Data Envelopment Analysis in Ranking of Decision Making Units
Authors: Filiz Kardıyen,
H.hasan Örkcü
Published: 2010 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1906
0
FAVORITE
1906
TOTAL DOWNLOAD COUNT
A Goal Programming Approach to Weight Dispersion in Data Envelopment Analysis
Authors: Hasan Bal,
H. Hasan Örkçü
Published: 2010 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1965
0
FAVORITE
1965
TOTAL DOWNLOAD COUNT
An Alternative Model to Fisher and LinearProgramming Approaches in Two-Group Classification Problem: Minimizing Deviations from the Group Median (Review)
Authors: Hasan Bal,
H.hasan Örkcü
, Salih Çelebioğlu
Published: 2010 ,
Gazi University Journal of Science
DOI: -
FAVORITE
0
TOTAL DOWNLOAD COUNT
1105
0
FAVORITE
1105
TOTAL DOWNLOAD COUNT
Articles published in
Clinical and Experimental Health Sciences
Gazi University Journal of Science
Gazi University Journal of Science Part A: Engineering and Innovation
Gazi Üniversitesi Fen Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Hacettepe Journal of Mathematics and Statistics
International Journal of Economics and Administrative Studies
Istatistik Journal of The Turkish Statistical Association
Journal of Polytechnic
Journal of Turkish Operations Management
Pamukkale University Journal of Engineering Sciences
Sigma Journal of Engineering and Natural Sciences
Süleyman Demirel University Journal of Natural and Applied Sciences
Editorship
Gazi University Journal of Science
Section Editor
Gazi Üniversitesi Fen Fakültesi Dergisi
Section Editor
Hacettepe Journal of Mathematics and Statistics
Section Editor
Editorial Board Memberships
Gazi University Journal of Science
Gazi Üniversitesi Fen Fakültesi Dergisi
Journal of Statistics and Applied Sciences
Reviews
Ankara Hacı Bayram Veli University Journal of the Faculty of Economics and Administrative Sciences
Duzce University Journal of Science and Technology
Erciyes University Journal of Faculty of Economics and Administrative Sciences
Eskişehir Technical University Journal of Science and Technology A - Applied Sciences and Engineering
Gazi University Journal of Science
Gazi University Journal of Science Part C: Design and Technology
Gazi Üniversitesi Fen Fakültesi Dergisi
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
Hacettepe Journal of Mathematics and Statistics
Journal of Polytechnic
Journal of Productivity
Journal of Turkish Operations Management
Selcuk Journal of Science
TÜBA Higher Education Research/Review
Publications
Energy Modeling of Türkiye Road and Rail Transport Towards Net Zero Emissions Target (2025-2050)
Authors:
Onur Dönmezçelik
,
Emre Koçak
,
H. Hasan Örkcü
Published: 2024 ,
Journal of Polytechnic
DOI: 10.2339/politeknik.1212520
CITED
7
FAVORITE
0
TOTAL DOWNLOAD COUNT
3127
7
CITED
0
FAVORITE
3127
TOTAL DOWNLOAD COUNT
Particle swarm optimization based feature selection using factorial design
Authors:
Emre Koçak
,
H. Hasan Örkcü
Published: 2024 ,
Hacettepe Journal of Mathematics and Statistics
DOI: 10.15672/hujms.1346686
CITED
1
FAVORITE
0
TOTAL DOWNLOAD COUNT
1188
1
CITED
0
FAVORITE
1188
TOTAL DOWNLOAD COUNT
Analysis of the Performance of METU Technoparks Firms with Data Envelopment Analysis
Authors:
H. Hasan Örkcü
, Özge Sevim
Published: 2023 ,
Journal of Polytechnic
DOI: 10.2339/politeknik.685005
CITED
1
FAVORITE
0
TOTAL DOWNLOAD COUNT
1753
1
CITED
0
FAVORITE
1753
TOTAL DOWNLOAD COUNT
Influence of Finishing Procedures on Surface Roughness and Biaxial Flexural Strength of High-translucent 4Y-PSZ, 5Y-PSZ, and 6Y-PSZ Monolithic Zirconia
Authors:
Gülsüm Doğru
,
Elif Demiralp
,
Emre Koçak
,
H. Hasan Örkcü
,
Prof. Dr. Cemal Aydın
,
Handan Yılmaz
Published: 2023 ,
Clinical and Experimental Health Sciences
DOI: 10.33808/clinexphealthsci.1073010
CITED
1
FAVORITE
0
TOTAL DOWNLOAD COUNT
1582
1
CITED
0
FAVORITE
1582
TOTAL DOWNLOAD COUNT
Measuring the Efficiency of Turkish State Universities Based on a Two-Stage DEA Model
Authors:
Emre Koçak
,
H. Hasan Örkcü
Published: 2021 ,
Gazi University Journal of Science
DOI: 10.35378/gujs.801115
CITED
4
FAVORITE
0
TOTAL DOWNLOAD COUNT
947
4
CITED
0
FAVORITE
947
TOTAL DOWNLOAD COUNT
Çok gruplu sınıflandırma problemlerine regresyon analizi ve matematiksel programlama tabanlı yeni bir yaklaşım
Authors:
Mustafa İsa Doğan
,
Abdullah Orman
,
Mediha Örkcü
,
H. Hasan Örkcü
Published: 2019 ,
Gazi Üniversitesi Mühendislik Mimarlık Fakültesi Dergisi
DOI: 10.17341/gazimmfd.571643
CITED
1
FAVORITE
0
TOTAL DOWNLOAD COUNT
1774
1
CITED
0
FAVORITE
1774
TOTAL DOWNLOAD COUNT
CLUSTERING OF CRIMINALS ACCORDING TO THE TYPES OF MATERIAL CAUGHT IN SMUGGLING: BICLUSTERING METHOD
Authors:
Ramazan Arslan
,
Hacı Hasan Örkcü
,
Bülent Altunkaynak
Published: 2018 ,
International Journal of Economics and Administrative Studies
DOI: 10.18092/ulikidince.348119
CITED
2
FAVORITE
0
TOTAL DOWNLOAD COUNT
3507
2
CITED
0
FAVORITE
3507
TOTAL DOWNLOAD COUNT
Veri Zarflama Analizi Tabanlı Yeni Bir Hibrid İki Gruplu Sınıflandırma Modeli
Authors:
H. Hasan Örkcü
,
Mustafa İsa Doğan
Published: 2015 ,
Süleyman Demirel University Journal of Natural and Applied Sciences
DOI: -
CITED
1
FAVORITE
0
TOTAL DOWNLOAD COUNT
1486
1
CITED
0
FAVORITE
1486
TOTAL DOWNLOAD COUNT