Data envelopment analysis in service quality evaluation: an empirical study S Najafi, S Saati, M Tavana Journal of Industrial Engineering International 11, 319-330, 2015 | 50 | 2015 |
Factor selection for service quality evaluation: a hospital case study A Ameryoun, S Najafi, B Nejati-Zarnaqi, SO Khalilifar, M Ajam, ... International journal of health care quality assurance 30 (1), 58-66, 2017 | 41 | 2017 |
An optimal opportunistic maintenance policy for a two-unit series system with general repair using proportional hazards models S Najafi, R Zheng, CG Lee Reliability Engineering & System Safety, 107830, 2021 | 35 | 2021 |
A recursive method for the health assessment of systems using the proportional hazards model R Zheng, S Najafi, Y Zhang Reliability Engineering & System Safety 221, 108379, 2022 | 20 | 2022 |
How do customers evaluate hotel service quality? An empirical study in Tehran hotels S Najafi, S Saati, M Bighami, F Abdi Management Science Letters 3 (12), 3019-3030, 2013 | 17 | 2013 |
A deep reinforcement learning approach for repair-based maintenance of multi-unit systems using proportional hazards model S Najafi, CG Lee Reliability Engineering & System Safety 234, 109179, 2023 | 9 | 2023 |
Comparison of Two Maintenance Policies for a Two-Unit Series System Considering General Repair S Najafi, V Makis International Journal of Industrial and Manufacturing Engineering 14 (6), 2020 | 6 | 2020 |
A condition-based maintenance policy for a two-unit system subject to dependent soft and hard failures: A reinforcement learning approach CGL Seyedvahid Najafi, Ji Ye Janet Lam The 11th International Conference on Modelling in Industrial Maintenance and …, 2021 | | 2021 |
Service quality evaluation using SERVQUAL and data envelopment analysis. S Najafi, S Saati The 6th International Conference of Iranian Operation Research Society …, 2013 | | 2013 |
A condition-based maintenance policy for a two-unit system subject to dependent soft and hard failures: A reinforcement learning approach S Najafi, JYJ Lam, CG Lee | | |