Başar Öztayşi

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Başar Öztayşi

Profesor

 https://orcid.org/0000-0002-1090-7963

  • İTÜ Ayazağa Kampüsü

    34000 Istanbul

    Turkey

Calculated based on number of publications stored in Pure and citations from Scopus
20052024

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  • 2020

    Weighting performance indicators of debt collection offices by using hesitant fuzzy AHP

    Oztaysi, B., Yücel, M., Onar, S. C., Öztürk, E. & Kahraman, C., 2020, Intelligent and Fuzzy Techniques in Big Data Analytics and Decision Making - Proceedings of the INFUS 2019 Conference. Kahraman, C., Cevik Onar, S., Oztaysi, B., Sari, I. U., Cebi, S. & Tolga, A. C. (eds.). Springer Verlag, p. 1017-1024 8 p. (Advances in Intelligent Systems and Computing; vol. 1029).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    3 Citations (Scopus)
  • 2018

    An interval valued hesitant fuzzy clustering approach for location clustering and customer segmentation

    Öner, S. C. & Öztayşi, B., 2018, Advances in Fuzzy Logic and Technology 2017 - Proceedings of: EUSFLAT-2017 – The 10th Conference of the European Society for Fuzzy Logic and Technology, IWIFSGN’2017 – The 16th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets. Atanassov, K. T., Krawczak, M., Kacprzyk, J., Szmidt, E., Zadrozny, S. & Krawczak, M. (eds.). Springer Verlag, p. 56-70 15 p. (Advances in Intelligent Systems and Computing; vol. 643).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    4 Citations (Scopus)

  • Dynamic intuitionistic fuzzy evaluation of entrepreneurial support in countries

    Cevik Onar, S., Oztaysi, B. & Kahraman, C., 2018, Advances in Fuzzy Logic and Technology 2017 - Proceedings of: EUSFLAT-2017 – The 10th Conference of the European Society for Fuzzy Logic and Technology, IWIFSGN’2017 – The 16th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets. Atanassov, K. T., Krawczak, M., Kacprzyk, J., Szmidt, E., Zadrozny, S. & Krawczak, M. (eds.). Springer Verlag, p. 38-47 10 p. (Advances in Intelligent Systems and Computing; vol. 643).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Hesitant fuzzy evaluation of system requirements in job matching platform design

    Cevik Onar, S., Oztaysi, B. & Kahraman, C., 2018, Advances in Fuzzy Logic and Technology 2017 - Proceedings of: EUSFLAT-2017 – The 10th Conference of the European Society for Fuzzy Logic and Technology, IWIFSGN’2017 – The 16th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets. Atanassov, K. T., Krawczak, M., Kacprzyk, J., Szmidt, E., Zadrozny, S. & Krawczak, M. (eds.). Springer Verlag, p. 48-55 8 p. (Advances in Intelligent Systems and Computing; vol. 643).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    1 Citation (Scopus)

  • Integrated call center performance measurement using hierarchical intuitionistic fuzzy axiomatic design

    Oztaysi, B., Cevik Onar, S. & Kahraman, C., 2018, Advances in Fuzzy Logic and Technology 2017 - Proceedings of: EUSFLAT-2017 – The 10th Conference of the European Society for Fuzzy Logic and Technology, IWIFSGN’2017 – The 16th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets. Atanassov, K. T., Krawczak, M., Kacprzyk, J., Szmidt, E., Zadrozny, S. & Krawczak, M. (eds.). Springer Verlag, p. 94-105 12 p. (Advances in Intelligent Systems and Computing; vol. 643).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    2 Citations (Scopus)

  • Multicriteria scoring methods using pythagorean fuzzy sets

    Kahraman, C., Oztaysi, B. & Onar, S. C., 2018, Advances in Fuzzy Logic and Technology 2017 - Proceedings of: EUSFLAT-2017 – The 10th Conference of the European Society for Fuzzy Logic and Technology, IWIFSGN’2017 – The 16th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets. Krawczak, M., Atanassov, K. T., Kacprzyk, J., Szmidt, E., Zadrozny, S. & Krawczak, M. (eds.). Springer Verlag, p. 328-335 8 p. (Advances in Intelligent Systems and Computing; vol. 642).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    12 Citations (Scopus)

  • Present worth analysis using pythagorean fuzzy sets

    Kahraman, C., Onar, S. C. & Oztaysi, B., 2018, Advances in Fuzzy Logic and Technology 2017 - Proceedings of: EUSFLAT-2017 – The 10th Conference of the European Society for Fuzzy Logic and Technology, IWIFSGN’2017 – The 16th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets. Krawczak, M., Atanassov, K. T., Kacprzyk, J., Szmidt, E., Zadrozny, S. & Krawczak, M. (eds.). Springer Verlag, p. 336-342 7 p. (Advances in Intelligent Systems and Computing; vol. 642).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    19 Citations (Scopus)

  • Prioritization of business analytics projects using interval type-2 fuzzy AHP

    Oztaysi, B., Cevik Onar, S. & Kahraman, C., 2018, Advances in Fuzzy Logic and Technology 2017 - Proceedings of: EUSFLAT-2017 – The 10th Conference of the European Society for Fuzzy Logic and Technology, IWIFSGN’2017 – The 16th International Workshop on Intuitionistic Fuzzy Sets and Generalized Nets. Atanassov, K. T., Krawczak, M., Kacprzyk, J., Szmidt, E., Zadrozny, S. & Krawczak, M. (eds.). Springer Verlag, p. 106-117 12 p. (Advances in Intelligent Systems and Computing; vol. 643).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    13 Citations (Scopus)
  • 2016

    Aftersales service performance measurement using dynamic intuitionistic fuzzy multi-attribute decision making

    Onar, S. Ç., Oztaysi, B. & Kahraman, C., 2016, Uncertainty Modelling in Knowledge Engineering and Decision Making - Proceedings of the 12th International FLINS Conference, FLINS 2016. Lu, J., Koehl, L., Kerre, E. E., Martinez, L. & Zeng, X. (eds.). World Scientific Publishing Co. Pte Ltd, p. 845-850 6 p. (Uncertainty Modelling in Knowledge Engineering and Decision Making - Proceedings of the 12th International FLINS Conference, FLINS 2016).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    1 Citation (Scopus)

  • An application of real-time micro-location updates for event management industry

    Yüksel, T., Sarifakioǧlu, N. & Öztayşi, B., 30 Jun 2016, Proceedings of the NOMS 2016 - 2016 IEEE/IFIP Network Operations and Management Symposium. Badonnel, S. O., Ulema, M., Cavdar, C., Granville, L. Z. & dos Santos, C. R. P. (eds.). Institute of Electrical and Electronics Engineers Inc., p. 1001-1002 2 p. 7502943. (Proceedings of the NOMS 2016 - 2016 IEEE/IFIP Network Operations and Management Symposium).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Collaborative requirement prioritization for an E-recruitment platform for qualified but disadvantaged individuals

    Suerdem, A. & Oztaysi, B., 2016, Knowledge, Information and Creativity Support Systems - 9th International Conference KICSS 2014, Selected Papers. Papadopoulos, G. A., Skulimowski, A. M. J., Kacprzyk, J. & Kunifuji, S. (eds.). Springer Verlag, p. 547-556 10 p. (Advances in Intelligent Systems and Computing; vol. 416).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    1 Citation (Scopus)

  • Multi-criteria intuitionistic fuzzy group decision making model for real time location system integration: An application from healthcare system

    Budak, A., Ustundag, A., Oztaysi, B. & Cevikcan, E., 2016, Uncertainty Modelling in Knowledge Engineering and Decision Making - Proceedings of the 12th International FLINS Conference, FLINS 2016. Lu, J., Koehl, L., Kerre, E. E., Martinez, L. & Zeng, X. (eds.). World Scientific Publishing Co. Pte Ltd, p. 580-587 8 p. (Uncertainty Modelling in Knowledge Engineering and Decision Making - Proceedings of the 12th International FLINS Conference, FLINS 2016).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    2 Citations (Scopus)

  • Performance measurement of process based enterprise applications using incomplete interval-valued intuitionistic preference relations: The case of call centers

    Öztayşi, B., Onar, S. Ç., Kahraman, C. & Gök, M., 2016, Uncertainty Modelling in Knowledge Engineering and Decision Making - Proceedings of the 12th International FLINS Conference, FLINS 2016. Lu, J., Koehl, L., Kerre, E. E., Martinez, L. & Zeng, X. (eds.). World Scientific Publishing Co. Pte Ltd, p. 851-856 6 p. (Uncertainty Modelling in Knowledge Engineering and Decision Making - Proceedings of the 12th International FLINS Conference, FLINS 2016).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    1 Citation (Scopus)

  • Photovoltaics type selection using a projection model-based approach to intuitionistic fuzzy multicriteria decision making

    Kahraman, C., Öztayşi, B. & Onar, S. C., 2016, Uncertainty Modelling in Knowledge Engineering and Decision Making - Proceedings of the 12th International FLINS Conference, FLINS 2016. Lu, J., Koehl, L., Kerre, E. E., Martinez, L. & Zeng, X. (eds.). World Scientific Publishing Co. Pte Ltd, p. 924-929 6 p. (Uncertainty Modelling in Knowledge Engineering and Decision Making - Proceedings of the 12th International FLINS Conference, FLINS 2016).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    1 Citation (Scopus)
  • 2015

    Annual cash flow analysis using hesitant fuzzy sets

    Kahraman, C., Oztaysi, B. & Onar, S. C., 25 Nov 2015, FUZZ-IEEE 2015 - IEEE International Conference on Fuzzy Systems. Yazici, A., Pal, N. R., Ishibuchi, H., Tutmez, B., Lin, C.-T., Sousa, J. M. C., Kaymak, U. & Martin, T. (eds.). Institute of Electrical and Electronics Engineers Inc., 7337818. (IEEE International Conference on Fuzzy Systems; vol. 2015-November).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    3 Citations (Scopus)

  • Hesitant fuzzy analytic hierarchy process

    Oztaysi, B., Onar, S. C., Bolturk, E. & Kahraman, C., 25 Nov 2015, FUZZ-IEEE 2015 - IEEE International Conference on Fuzzy Systems. Yazici, A., Pal, N. R., Ishibuchi, H., Tutmez, B., Lin, C.-T., Sousa, J. M. C., Kaymak, U. & Martin, T. (eds.). Institute of Electrical and Electronics Engineers Inc., 7337948. (IEEE International Conference on Fuzzy Systems; vol. 2015-November).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    85 Citations (Scopus)
  • 2014

    A multicriteria supplier selection model using hesitant fuzzy linguistic term sets

    Kahraman, C., Öztayşi, B. & Onar, S. Ç., 2014, Decision Making and Soft Computing - Proceedings of the 11th International FLINS Conference, FLINS 2014. de Moraes, R. M., Kerre, E. E., dos Santos Machado, L. & Lu, J. (eds.). World Scientific Publishing Co. Pte Ltd, p. 36-41 6 p. (Decision Making and Soft Computing - Proceedings of the 11th International FLINS Conference, FLINS 2014).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    18 Citations (Scopus)

  • Early collection system design using fuzzy rule based inference

    Onar, S. C., Oztaysi, B. & Kahraman, C., 2014, Decision Making and Soft Computing - Proceedings of the 11th International FLINS Conference, FLINS 2014. de Moraes, R. M., Kerre, E. E., dos Santos Machado, L. & Lu, J. (eds.). World Scientific Publishing Co. Pte Ltd, p. 11-16 6 p. (Decision Making and Soft Computing - Proceedings of the 11th International FLINS Conference, FLINS 2014).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    1 Citation (Scopus)

  • Prioritization of urban transformation projects in Istanbul using multiattribute hesitant fuzzy linguistic term sets

    Oztaysi, B., Onar, S. C. & Kahraman, C., 2014, Decision Making and Soft Computing - Proceedings of the 11th International FLINS Conference, FLINS 2014. de Moraes, R. M., Kerre, E. E., dos Santos Machado, L. & Lu, J. (eds.). World Scientific Publishing Co. Pte Ltd, p. 574-579 6 p. (Decision Making and Soft Computing - Proceedings of the 11th International FLINS Conference, FLINS 2014).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    1 Citation (Scopus)
  • 2013

    Risk assessment due to electricity demand forecasting under uncertainty

    Bolturk, E. & Oztaysi, B., 2013, Intelligent Systems and Decision Making for Risk Analysis and Crisis Response - Proceedings of the 4th International Conference on Risk Analysis and Crisis Response, RACR 2013. p. 717-722 6 p. (Intelligent Systems and Decision Making for Risk Analysis and Crisis Response - Proceedings of the 4th International Conference on Risk Analysis and Crisis Response, RACR 2013).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • 2012

    An initial research to segment a crowdsourcing project participants using text mining

    Öztayşi, B. & Cemcem, L., 2012, World Scientific Proc. Series on Computer Engineering and Information Science 7; Uncertainty Modeling in Knowledge Engineering and Decision Making - Proceedings of the 10th International FLINS Conf.. World Scientific Publishing Co. Pte Ltd, p. 845-850 6 p. (World Scientific Proc. Series on Computer Engineering and Information Science 7; Uncertainty Modeling in Knowledge Engineering and Decision Making - Proceedings of the 10th International FLINS Conf.; vol. 7).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Electricity consumption forecasting using fuzzy time series

    Bolturk, E., Oztaysi, B. & Sari, I. U., 2012, CINTI 2012 - 13th IEEE International Symposium on Computational Intelligence and Informatics, Proceedings. p. 245-249 5 p. 6496768. (CINTI 2012 - 13th IEEE International Symposium on Computational Intelligence and Informatics, Proceedings).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    14 Citations (Scopus)
  • 2011

    A fuzzy inference system for supply chain risk management

    Behret, H., Öztayşi, B. & Kahraman, C., 2011, Practical Applications of Intelligent Systems: Proceedings of the Sixth International Conference on Intelligent Systems and Knowledge Engineering, Shanghai, China, Dec 2011 (ISKE2011). Wang, Y. & Li, T. (eds.). p. 429-438 10 p. (Advances in Intelligent and Soft Computing; vol. 124).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    31 Citations (Scopus)

  • Analysis of participant behaviour in a twitter based crowdsourcing project

    Öztayşi, B., 2011, 41st International Conference on Computers and Industrial Engineering 2011. p. 50-55 6 p. (41st International Conference on Computers and Industrial Engineering 2011).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Determining the importance of performance measurement criteria based on total quality management using fuzzy analytical network process

    Öztayşi, B. & Kutlu, A. C., 2011, Practical Applications of Intelligent Systems: Proceedings of the Sixth International Conference on Intelligent Systems and Knowledge Engineering, Shanghai, China, Dec 2011 (ISKE2011). Wang, Y. & Li, T. (eds.). p. 391-400 10 p. (Advances in Intelligent and Soft Computing; vol. 124).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    7 Citations (Scopus)

  • Fuzzy information axiom based decision model for CAD system selection

    Cevikcan, E. & Öztayşi, B., 2011, Practical Applications of Intelligent Systems: Proceedings of the Sixth International Conference on Intelligent Systems and Knowledge Engineering, Shanghai, China, Dec 2011 (ISKE2011). Wang, Y. & Li, T. (eds.). p. 381-390 10 p. (Advances in Intelligent and Soft Computing; vol. 124).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • 2009

    A model proposal for usability scoring of websites

    Cakir, C. B. & Oztaysi, B., 2009, 2009 International Conference on Computers and Industrial Engineering, CIE 2009. IEEE Computer Society, p. 1418-1422 5 p. 5223495. (2009 International Conference on Computers and Industrial Engineering, CIE 2009).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    2 Citations (Scopus)
  • 2008

    RFID based actions tracking framework on tourism: Design parameters and technology selection criteria

    Oztaysi, B. & Mich, L., 2008, IMETI 2008 - International Multi-Conference on Engineering and Technological Innovation, Proceedings. p. 26-31 6 p. (IMETI 2008 - International Multi-Conference on Engineering and Technological Innovation, Proceedings; vol. 3).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • Technology selection for RFID based actions-tracking system using fuzzy AHP

    Oztaysi, B. & Mich, L., 2008, World Scientific Proceedings Series on Computer Engineering and Information Science 1; Computational Intelligence in Decision and Control - Proceedings of the 8th International FLINS Conference. World Scientific Publishing Co. Pte Ltd, p. 1057-1062 6 p. (World Scientific Proceedings Series on Computer Engineering and Information Science 1; Computational Intelligence in Decision and Control - Proceedings of the 8th International FLINS Conference).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

  • 2007

    A novel approach for economic-justification of RFID technology in courier sector: A real-life case study

    Oztaysi, B., Baysan, S. & Dursun, P., 2007, 2007 1st Annual RFID Eurasia. 4368147. (2007 1st Annual RFID Eurasia).

    Research output: Chapter in Book/Report/Conference proceeding › Conference contribution › peer-review

    8 Citations (Scopus)