Balıkesir Üniversitesi — ana sayfa AKADEMİK BİLGİ SİSTEMİ

Doç.Dr. ŞERİFE ÖZKAR

İKTİSADİ VE İDARİ BİLİMLER FAKÜLTESİ, ULUSLARARASI TİCARET VE LOJİSTİK BÖLÜMÜ, LOJİSTİK ANABİLİM DALI

Balıkesir Üniversitesi

Araştırmacı Kimlikleri

Akademik Göstergeler

  • Web of Science: 17 yayın, 50 atıf, h-indeks 4
  • Scopus: 16 yayın, 60 atıf, h-indeks 4
  • YÖKSİS: 17 yayın, 62 atıf, h-indeks 4

Makaleler (17)

  1. A Queueing Model with BMAP Arrivals and Heterogeneous Phase Type Group Services
    Chakravarthy S.R. · Methodology and Computing in Applied Probability · 2024 · Uluslararası · Q2 · DOI: 10.1007/s11009-024-10122-w
  2. ANALYSIS OF A STOCHASTIC MODEL FOR CROWDSOURCING USING MAP ARRIVALS AND PHASE TYPE SERVICES
    Chakravarthy S.R. · Applied and Computational Mathematics · 2021 · Uluslararası · Q1
  3. A production queueing-inventory system with two-customer and a server subject to breakdown
    Kocer U.U. · Annals of Operations Research · 2023 · Uluslararası · Q1 · DOI: 10.1007/s10479-023-05275-9
  4. Two-commodity queueing-inventory system with two classes of customers
    Ozkar S. · Opsearch · 2021 · Uluslararası · Q2 · DOI: 10.1007/s12597-020-00479-0
  5. Analysis of blockchain system based on BMAP/PH[b]/1 queueing model
    Chakravarthy S.R. · Journal of Supercomputing · 2024 · Uluslararası · Q2 · DOI: 10.1007/s11227-024-06333-0
  6. M/C2/c/K queueing model and optimization for a geriatric care center.
    UZUNOĞLU KOÇER UMAY ZEYNEP, ÖZKAR ŞERİFE · Applied Stochastic Models in Business and Industry · 2015 · Uluslararası · Q1 · DOI: 10.1002/asmb.2119
  7. Analysis of m/m/c retrial queue with thresholds, p h distribution of retrial times and unreliable servers
    Chakravarthy S.R. · Journal of Applied Mathematics and Informatics · 2021 · Uluslararası · Q4 · DOI: 10.14317/jami.2021.173
  8. Performance analysis and optimization of state-dependent replenishment policy in queuing-inventory system
    Melikov A. · Operational Research · 2025 · Uluslararası · Q1 · DOI: 10.1007/s12351-025-00970-w
  9. ANALYSIS OF A PRODUCTION INVENTORY SYSTEM WITH MAP ARRIVALS, PHASE-TYPE SERVICES AND VACATION TO PRODUCTION FACILITY
    Ozkar S. · Communications Faculty of Sciences University of Ankara Series A1 Mathematics and Statistics · 2023 · Uluslararası · DOI: 10.31801/cfsuasmas.1097797
  10. Two-commodity queueing-inventory system with phase-type distribution of service times
    Ozkar S. · Annals of Operations Research · 2023 · Uluslararası · Q1 · DOI: 10.1007/s10479-022-04865-3
  11. Queueing-inventory systems with catastrophes under various replenishment policies
    ÖZKAR ŞERİFE,MELIKOV AGASSI,SZTRIK JANOS · Mathematics · 2023 · Uluslararası · Q2 · DOI: 10.3390/math11234854
  12. Solution of capacitated vehicle routing problem for a food delivery company with heuristic methods
    YAVUZ NURHAYAT,ÖZKAR ŞERİFE · International Review of Economics and Management · 2023 · Ulusal · DOI: 10.18825/iremjournal.1174543
  13. Crowdsourcing and stochastic modeling
    CHAKRAVARTHY SRINIVAS, ÖZKAR ŞERİFE · Business and Management Research · 2016 · Uluslararası · DOI: 10.5430/bmr.v5n2p19
  14. M/ C k / 1 Queue Model with Multiple Working Vacations
    Ozkar S. · International Journal of Applied and Computational Mathematics · 2017 · Uluslararası · Q3 · DOI: 10.1007/s40819-016-0220-5
  15. MAP/PH/1 queueing model with working vacation and crowdsourcing.
    CHAKRAVARTHY SRINIVAS,ÖZKAR ŞERİFE · Mathematica Applicanda · 2016 · Uluslararası · DOI: 10.14708/ma.v44i2.1244
  16. Steady-state analysis and optimization of a queueing-inventory system under joint impact of imperfect production and inspection processes
    ÖZKAR ŞERİFE,UZUNOĞLU KOÇER UMAY ZEYNEP · Hacettepe Journal of Mathematics and Statistics · 2026 · Uluslararası · Q2 · DOI: 10.15672/hujms.1896092
  17. A MAP/PH/1 production inventory model
    ÖZKAR ŞERİFE · Uludağ University Journal of the Faculty of Engineering · 2023 · Ulusal · DOI: 10.17482/uumfd.1171281

Bildiriler (15)

  1. Queueing-Inventory System with Queue-Dependent Hybrid Replenishment Policy
    ÖZKAR ŞERİFE,Melikov Agassi · the 23th International Conference INFORMATION TECHNOLOGIES AND MATHEMATICAL MODELLING · 2024 · Özet bildiri
  2. Performance Analysis of Queuing-Inventory System with Catastrophes Under (s, Q) Policy
    Melikov Agassi,ÖZKAR ŞERİFE,Poladova Laman · 2nd International Conference on Information Technologies and Their Applications · 2024 · Tam metin bildiri
  3. Analysis of queueing-inventory system with queue-dependent replenishment policy
    MELIKOV AGASSI,ÖZKAR ŞERİFE · International Conference on Advances in Applied Probability and Stochastic Processes · 2024 · Özet bildiri
  4. Bir gıda dağıtım şirketinin günlük rotalarının tamsayılı doğrusal programlama ile iyileştirilmesi
    YAVUZ NURHAYAT,ÖZKAR ŞERİFE · 3rd International Congress on Engineering sciences and Multidisciplinary Approaches · 2022 · Özet bildiri
  5. A queuing-inventory system with interruption and two-demand classes
    UZUNOĞLU KOÇER UMAY ZEYNEP,ÖZKAR ŞERİFE · 11th International Statistics Days Conference · 2018 · Özet bildiri
  6. A production inventory model with phase-type service time
    ÖZKAR ŞERİFE,UZUNOĞLU KOÇER UMAY ZEYNEP · 11th International Statistics Days Conference · 2018 · Özet bildiri
  7. The impact of logistics on the economic series in Turkey
    ÇOBAN BERHAN,ÖZKAR ŞERİFE · 11th International Statistics Days Conference, · 2018 · Özet bildiri
  8. Inventory control policy decisions in the presence of servers subject to random failure
    ÖZKAR ŞERİFE,BAKIR NİYAZİ ONUR · 11th International Statistics Days Conference · 2018 · Özet bildiri
  9. M/PH/1 kuyruk modelinde dinlenme politikasının performans ölçülerine etkisi
    ÖZKAR ŞERİFE,UZUNOĞLU KOÇER UMAY ZEYNEP · 37. Yöneylem Araştırması ve Endüstri Mühendisliği Ulusal Kongresi · 2017 · Özet bildiri
  10. Bir sağlık kuruluşunda geriatri departmanının M/PH/1 kuyruk modeliyle modellenmesi ve optimal yatak sayısının belirlenmesi
    ÖZKAR ŞERİFE,UZUNOĞLU KOÇER UMAY ZEYNEP · 1. Genç İstatistikçiler Sempozyumu · 2013 · Özet bildiri
  11. Simulation of a queueing model useful in crowdsourcing
    CHAKRAVARTHY SRINIVAS,ÖZKAR ŞERİFE · 31st European Conference on Modelling and Simulation · 2017 · Tam metin bildiri
  12. Analysis of a retrial queueing model with hysteresis using MAP arrivals and phase type services
    ÖZKAR ŞERİFE,CHAKRAVARTHY SRINIVAS · 4th International Conference on Business Analytics and Intelligence · 2016 · Tam metin bildiri
  13. Matrix geometric solution to the multi-server and finite buffer queues
    UZUNOĞLU KOÇER UMAY ZEYNEP,ÖZKAR ŞERİFE · 9th International Statistics Day Symposium · 2014 · Özet bildiri
  14. The effect of batch size distribution on the performance of bulk arrival Markovian queues
    ÖZKAR ŞERİFE,UZUNOĞLU KOÇER UMAY ZEYNEP · 8th International Symposium of Statistics · 2012 · Özet bildiri
  15. Fitting PH-distributions with EM-algorithm
    ÖZKAR ŞERİFE,UZUNOĞLU KOÇER UMAY ZEYNEP · 9th International Statistics Day Symposium · 2014 · Özet bildiri

Kitaplar ve Kitap Bölümleri (1)

  1. Intelligent Computing on IoT 2.0, Big Data Analytics, and Block Chain Technology
    Analysis of a Queueing System with Batch Poisson Arrivals and Batch Services in Blockchain Applications · CHAKRAVARTHY SRINIVAS,S SHRUTI,JAIN VIDYOTTAMA,ÖZKAR ŞERİFE,RAJ RAINA · Chapman and Hall/CRC · 2024 · ISBN 9781003326236

Yönetilen Tezler (1)

  1. Bir gıda dağıtım şirketine ait araç rotalama probleminin kesin ve sezgisel yöntemler ile çözümü
    NURHAYAT TOK · Yüksek Lisans · 2021 · Tamamlandı

Tezler (2)

  1. Queueing systems with phase-type service
    2012 - 2017
  2. Statistical evaluation of performance measures in batch queueing systems by simulation
    2008 - 2012

Eğitim Bilgileri (4)

  1. Önlisans - TEKNİK PROGRAMLAR BÖLÜMÜ
    MERSİN ÜNİVERSİTESİ · 2001 - 2004
  2. Lisans - İSTATİSTİK BÖLÜMÜ
    MUĞLA SITKI KOÇMAN ÜNİVERSİTESİ · 2005 - 2008
  3. Yüksek Lisans - İSTATİSTİK (YL) (TEZLİ) (İNGİLİZCE)
    DOKUZ EYLÜL ÜNİVERSİTESİ · 2008 - 2012
  4. Doktora - İSTATİSTİK (DR) (İNGİLİZCE)
    DOKUZ EYLÜL ÜNİVERSİTESİ · 2012 - 2017