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Hacı Hasan Örkcü
Prof. Dr.
GAZI UNIVERSITY
Publication
31
Review
26
CrossRef Cited
17
31
Publication
26
Review
17
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
188
0
FAVORITE
188
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
386
0
FAVORITE
386
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
210
0
FAVORITE
210
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
448
0
FAVORITE
448
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
2925
0
FAVORITE
2925
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
1010
0
FAVORITE
1010
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
430
0
FAVORITE
430
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
1620
0
FAVORITE
1620
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
1257
0
FAVORITE
1257
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
1203
0
FAVORITE
1203
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
1178
0
FAVORITE
1178
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
879
0
FAVORITE
879
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
726
0
FAVORITE
726
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
965
0
FAVORITE
965
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
627
0
FAVORITE
627
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
1716
0
FAVORITE
1716
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
3026
0
FAVORITE
3026
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
1020
0
FAVORITE
1020
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
3401
0
FAVORITE
3401
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
3294
0
FAVORITE
3294
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
849
0
FAVORITE
849
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
6684
0
FAVORITE
6684
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
1443
0
FAVORITE
1443
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
1245
0
FAVORITE
1245
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
1611
0
FAVORITE
1611
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
889
0
FAVORITE
889
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
1056
0
FAVORITE
1056
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
1333
0
FAVORITE
1333
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
1850
0
FAVORITE
1850
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
1899
0
FAVORITE
1899
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
1068
0
FAVORITE
1068
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
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
6
FAVORITE
0
TOTAL DOWNLOAD COUNT
2925
6
CITED
0
FAVORITE
2925
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
1010
1
CITED
0
FAVORITE
1010
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
1620
1
CITED
0
FAVORITE
1620
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
1257
1
CITED
0
FAVORITE
1257
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
879
4
CITED
0
FAVORITE
879
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
1716
1
CITED
0
FAVORITE
1716
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
3401
2
CITED
0
FAVORITE
3401
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
1443
1
CITED
0
FAVORITE
1443
TOTAL DOWNLOAD COUNT