Results 31 to 40 of about 140,960 (162)

Data-Driven Simulation Modeling of the Checkout Process in Supermarkets: Insights for Decision Support in Retail Operations

IEEE Access, 2020
We build a realistic agent-based model for simulating customer decisions of picking a checkout line at a supermarket that is calibrated to actual point of sale (POS) data from a major European retail chain.
Tomasz Antczak, Rafal Weron, Jacek Zabawa   +2 more
doaj   +1 more source

Performance Evaluation of Outpatient Department Waiting Line System in a City Hospital in Nigeria

Journal of Applied Sciences and Environmental Management, 2021
In this paper, performance evaluation of outpatient department waiting line system in a city hospital in Nigeria has been studied using a multiple server queuing model.
I. Adaji, A. Lawal, A. Abdullahi, A. Abdulkadir   +3 more
doaj   +1 more source

Improving accessibility for outpatients in specialist clinics: reducing long waiting times and waiting lists with a simple analytic approach

BMC Health Services Research, 2018
Background Lack of resources is often cited as a reason for long waiting times and queues in health services. However, recent research indicates these problems are related to factors such as uncoordinated variation of demand and capacity, planning ...
Karl Arne Johannessen, Nina Alexandersen
doaj   +1 more source

Reliability Optimization Model of Stop-Skipping Bus Operation with Capacity Constraints

Journal of Advanced Transportation, 2020
In a bus line with high passenger demand, the stop-skipping operation can benefit both users and operators as well as improve the service level of bus line, but it usually cannot be effectively adopted by operators because of the unordered operation of ...
Zhenhua Mou, Hu Zhang, Shidong Liang
doaj   +1 more source

Watchful Waiting in Pediatric Acute Otitis Media: A Real Practice Approach or an Intangible Desideratum?

Medicina, 2023
Acute otitis media (AOM) in children is one of the leading causes of health care visits and antibiotic prescriptions worldwide. The overall aim of the current study is twofold: 1.
Elena-Lia Spoială, Iuliana Magdalena Stârcea, Ileana Katerina Ioniuc, Romică Sebastian Cozma, Daniela Carmen Rusu, Laura Bozomitu, Vasile Valeriu Lupu, Codruţa Olimpiada Iliescu Haliţchi, Vasile Eduard Roşu, Solange Tamara Roşu, Cristina Gavrilovici   +10 more
doaj   +1 more source

Optimization of Convying Connection of Continuous Casting Billet Queuing Process in Direct Rolling Process of Billet at Casting-Rolling Interface

Teshugang, 2021
Through the method of queuing theory, a mathematical model of the queuing of continuous casting billets at cast-rolling interface of the billet straight rolling process is constructed, and a case analysis of the queuing theory is carried out on the ...
张宏亮, 冯光宏, 刘鑫, 陈继林, 王宝山, 马健   +5 more
doaj  

A Timetable Optimization Model for Urban Rail Transit with Express/Local Mode

Journal of Advanced Transportation, 2021
Nowadays, an express/local mode has be studied and applied in the operation of urban rail transit, and it has been proved to be beneficial for the long-distance travel.
Renjie Zhang, Shisong Yin, Mao Ye, Zhiqiang Yang, Shanglu He   +4 more
doaj   +1 more source

Information and support to patients when the waiting time guarantee cannot be fulfilled: a qualitative study

International Journal for Equity in Health, 2023
Background Long waiting times for health care services are a prominent health policy issue. Waiting time guarantees may limit time to assessment and treatment.
Belén Casales Morici, Hanna Augustsson, Henna Hasson, David Ebbevi   +3 more
doaj   +1 more source

Observation of critical scaling in spin glasses below Tc using thermoremanent magnetization

Frontiers in Physics
Time-dependent thermoremanent magnetization (TRM) studies have been instrumental in probing energy dynamics within the spin glass phase. In this paper, we review the evolution of the TRM experiment over the last half century and discuss some aspects ...
G. G. Kenning, M. Brandt, R. Brake, M. Hepler, D. Tennant   +4 more
doaj   +1 more source

Research on Scheduling of Metal Structural Part Blanking Workshop with Feeding Constraints

Mathematical and Computational Applications
Taking a metal structural part blanking workshop as the application background, this study addresses the challenges of high material variety, long crane feeding travel caused by heterogeneous line-side storage layouts, and frequent machine stoppages due ...
Yaping Wang, Xuebing Wei, Xiaofei Zhu, Lili Wan, Zihui Zhao   +4 more
doaj   +1 more source