World's Best Scientists 2026 revealed!

D-Index & Metrics

Computer Science

D-Index
35
Citations
5818
World Ranking
11624
National Ranking
19

Overview

Basar Oztaysi is affiliated with Istanbul Technical University in Turkey and has a significant body of research in decision sciences, computer science, and engineering. Their work covers a broad spectrum of topics with a notable focus on multi-criteria decision making, optimization, and fuzzy systems.

Their research spans several subfields, including management science and operations research, artificial intelligence, control and systems engineering, information systems, and industrial and manufacturing engineering.

Among the main topics of their work are:

  • Multi-Criteria Decision Making
  • Optimization and Mathematical Programming
  • Fuzzy Systems and Optimization
  • Intuitionistic Fuzzy Systems Applications
  • Big Data and Business Intelligence
  • Data Mining Algorithms and Applications
  • Customer churn and segmentation

Basar Oztaysi frequently publishes in venues such as:

  • Journal of Intelligent & Fuzzy Systems
  • Developments of Artificial Intelligence Technologies in Computation and Robotics
  • Notes on Intuitionistic Fuzzy Sets
  • ISAHP proceedings
  • Lecture Notes in Networks and Systems

They have published several notable papers, including:

  • "Evaluation of sustainable energy systems in smart cities using a Multi-Expert Pythagorean fuzzy BWM & TOPSIS methodology," 2024, Expert Systems with Applications
  • "Fuzzy association rule mining approach to identify e-commerce product association considering sales amount," 2022, Complex & Intelligent Systems
  • "A Novel spherical fuzzy CRITIC method and its application to prioritization of supplier selection criteria," 2021, Journal of Intelligent & Fuzzy Systems
  • "A novel interval valued circular intuitionistic fuzzy AHP methodology: Application in digital transformation project selection," 2023, Information Sciences
  • "Fuzzy extensions of PROMETHEE: Models of different complexity with different ranking methods and their comparison," 2020, Fuzzy Sets and Systems

In addition to journal articles, Basar Oztaysi has contributed to book publications through Springer International Publishing and Springer Nature. Titles include:

  • "Intelligent and Fuzzy Techniques for Emerging Conditions and Digital Transformation," 2021
  • "Intelligent and Fuzzy Systems," 2023
  • "Intelligent and Fuzzy Techniques: Smart and Innovative Solutions," 2020

Their frequent collaborators are:

  • Sezi Çevik Onar
  • Cengiz Kahraman
  • Selçuk Çebi
  • İrem Otay
  • Elmira Farrokhizadeh

Best Publications

  • Fuzzy Multicriteria Decision-Making: A Literature Review

    Cengiz Kahraman;Sezi Cevik Onar;Basar Oztaysi

  • Fuzzy analytic hierarchy process with interval type-2 fuzzy sets

    Cengiz Kahraman;Başar Öztayşi;İrem Uçal Sarı;Ebru Turanoğlu

  • Intuitionistic fuzzy edas method: an application to solid waste disposal site selection

    Cengiz Kahraman;Mehdi Keshavarz Ghorabaee;Edmundas Kazimieras Zavadskas;Sezi Cevik Onar

  • A decision model for information technology selection using AHP integrated TOPSIS-Grey

    Basar Oztaysi

  • Multi-criteria evaluation of alternative-fuel vehicles via a hierarchical hesitant fuzzy linguistic model

    Mesut Yavuz;Basar Oztaysi;Sezi Cevik Onar;Cengiz Kahraman

  • Multi-expert performance evaluation of healthcare institutions using an integrated intuitionistic fuzzy AHP&DEA methodology

    İrem Otay;Basar Oztaysi;Sezi Cevik Onar;Cengiz Kahraman

  • Strategic Decision Selection Using Hesitant fuzzy TOPSIS and Interval Type-2 Fuzzy AHP: A case study

    Sezi Cevik Onar;Başar Oztaysi;Cengiz Kahraman

  • Multi-expert wind energy technology selection using interval-valued intuitionistic fuzzy sets

    Sezi Cevik Onar;Basar Oztaysi;İrem Otay;Cengiz Kahraman

  • A new hesitant fuzzy QFD approach

    Sezi Çevik Onar;Gülçin Büyüközkan;Başar Öztayşi;Cengiz Kahraman

  • A Comprehensive Literature Review of 50 Years of Fuzzy Set Theory

    Cengiz Kahraman;Başar Öztayşi;Sezi Çevik Onar

  • A measurement tool for customer relationship management processes

    Başar Öztayşi;Selime Sezgin;Ahmet Fahri Özok

  • Multi-criteria alternative-fuel technology selection using interval-valued intuitionistic fuzzy sets

    Basar Oztaysi;Sezi Cevik Onar;Cengiz Kahraman;Mesut Yavuz

  • Hesitant fuzzy analytic hierarchy process

    Basar Oztaysi;Sezi Cevik Onar;Eda Bolturk;Cengiz Kahraman

  • Radio frequency identification (RFID) in hospitality

    Başar Öztayşi;Serdar Baysan;Fatma Akpinar

  • A novel trapezoidal intuitionistic fuzzy information axiom approach

    Cengiz Kahraman;Selcuk Cebi;Sezi Cevik Onar;Basar Oztaysi

  • Performance comparison based on customer relationship management using analytic network process

    Başar Öztayşi;Tolga Kaya;Cengiz Kahraman

  • A Group Decision Making Approach Using Interval Type-2 Fuzzy AHP for Enterprise Information Systems Project Selection

    Basar Öztaysi

  • Evaluation of sustainable energy systems in smart cities using a Multi-Expert Pythagorean fuzzy BWM & TOPSIS methodology

    Unknown

  • Hospital Location Selection Using Spherical Fuzzy TOPSIS

    Cengiz Kahraman;Fatma Kutlu Gundogdu;Sezi Cevik Onar;Basar Oztaysi

  • A Novel Trapezoidal Intuitionistic Fuzzy Information Axiom Approach: an Application to Multicriteria Landfill Site Selection

    Cengiz Kahraman;Selcuk Cebi;Sezi Cevik Onar;Basar Oztaysi

  • Evaluation of research proposals for grant funding using interval-valued intuitionistic fuzzy sets

    Basar Oztaysi;Sezi Cevik Onar;Kerim Goztepe;Cengiz Kahraman

  • Supply Chain Management Under Fuzziness

    Cengiz Kahraman;Başar Öztayşi

Frequent Co-Authors

Cengiz Kahraman
Cengiz Kahraman Istanbul Technical University
Luis Martínez
Luis Martínez University of Jaén
Edmundas Kazimieras Zavadskas
Edmundas Kazimieras Zavadskas Vilnius Gediminas Technical University
İhsan Kaya
İhsan Kaya Yıldız Technical University
Gülçin Büyüközkan
Gülçin Büyüközkan Galatasaray University
Rosa M. Rodríguez
Rosa M. Rodríguez University of Jaén

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