Results 71 to 80 of about 2,535 (219)
Laws of Little in an open queueing network
Nonlinear Analysis, 2012 The object of this research in the queueing theory is theorems about the functional strong laws of large numbers (FSLLN) under the conditions of heavy traffic in an open queueing network (OQN).
Saulius Minkevičius, Stasys Steišūnas
doaj
IEEE Access, 2018 This paper presents an optimization model for determining the optimal time-varying numbers of cashiers and pharmacists in a large hospital. The objective of this model is to minimize the weighted sum of the waiting cost incurred by patients and the ...
Chung-Cheng Lu +3 more
doaj +1 more source
Sustainable Development, EarlyView.ABSTRACT The dynamic nature of small islands being geographically isolated and their perceived connectedness with global networks complicates research attempts to draw general conclusions on whether insularity leads to marginalization or strengthens their resilience for sustainable development.
Toheeb Lekan Jolaosho +2 more
wiley +1 more source
The Fluid Limit of the Multiclass Processor Sharing Queue
, 2009 This second version improves the presentation of results in Section 3 and in Appendix C.Consider a single server queueing system with several classes of customers, each having its own renewal input process and its own general service times distribution ...
Ben Tahar, Abdelghani, Jean-Marie, Alain
core +2 more sources
Fluid limit of a PS-queue with multistage service [PDF]
, 2019 We consider a variation of the processor-sharing (PS) queue, inspired by freelance job websites where multiple freelancers compete for a single job. We develop fluid limit approximations for the overloaded PS-model with multiple (possibly infinitely many)
Frolkova, Maria +2 more
core +2 more sources
Sustainable Development, EarlyView.ABSTRACT This article examines whether economic growth reduces inequalities in access to water and sanitation across 64 countries over an average period of 13.5 years. Drawing on disaggregated data by income quintiles and rural–urban location, and employing ordinary least squares (OLS), two‐stage least squares (2SLS), and Seemingly Unrelated Regression
Marcos García‐López +2 more
wiley +1 more source
Fluid limits for overloaded multiclass FIFO single-server queues with general abandonment
Stochastic Systems, 2013 We consider an overloaded multiclass nonidling first-in-first-outsingle-server queue with abandonment. The interarrival times, servicetimes, and deadline times are sequences of independent and identically,but generally distributed random variables.
Amber L. Puha, Otis B. Jennings
doaj
Impact of Loss Synchronization on Reliable High Speed Networks: A Model Based Simulation
Journal of Computer Networks and Communications, 2014 Contemporary nature of network evolution demands for simulation models which are flexible, scalable, and easily implementable. In this paper, we propose a fluid based model for performance analysis of reliable high speed networks.
Suman Kumar, Lin Xue, Seung-Jong Park
doaj +1 more source
Fluid approximation analysis of a call center model with time-varying arrivals and after-call work
Operations Research Perspectives, 2015 Important features to be included in queueing-theoretic models of the call center operation are multiple servers, impatient customers, time-varying arrival process, and operator’s after-call work (ACW).
Yosuke Kawai, Hideaki Takagi
doaj +1 more source
Data Schema Evolution for the Self‐Adaptive Software Domain: A Systematic Mapping Study
Software: Practice and Experience, EarlyView.ABSTRACT Context Self‐adaptive Software (SaS) is a special category of software systems that enables adaptation at runtime to address new user requirements or changes in its execution environment. This article focuses on a specific category of SaS named SaS2DB, which encompasses systems that require the storage of data in a database. In short, a SaS2DB
Gabriel Nagassaki Campos +4 more
wiley +1 more source