Results 11 to 20 of about 5,122,542 (341)

Addressing the Location Problem of a Perishables Redistribution Center in the Middle of Europe

open access: yesFoods, 2021
This work aims to contribute to the debate on practical utilization of different location models for consolidation, redistribution, and repackaging centers in a supply chain to optimize shipments, thereby reducing food loss and waste, within the ...
Juan Carlos Pérez-Mesa   +3 more
doaj   +1 more source

Matroid and Knapsack Center Problems [PDF]

open access: yes, 2013
In the classic $k$-center problem, we are given a metric graph, and the objective is to open $k$ nodes as centers such that the maximum distance from any vertex to its closest center is minimized.
A. Schrijver   +15 more
core   +1 more source

Solving the location problem of front distribution center for omni-channel retailing

open access: yesComplex & Intelligent Systems, 2021
Consumer demand and retailing models nowadays are being upgraded more frequently. More and more retailers are switching to the Omni-channel retailing model.
Jikai Huang, Xianliang Shi
doaj   +1 more source

An optimal algorithm for the weighted backup 2-center problem on a tree [PDF]

open access: yes, 2015
In this paper, we are concerned with the weighted backup 2-center problem on a tree. The backup 2-center problem is a kind of center facility location problem, in which one is asked to deploy two facilities, with a given probability to fail, in a network.
Wang, Hung-Lung
core   +1 more source

Structural and parametric synthesis of the control system of the unobserved output for the object with distributed parameters

open access: yesВестник Самарского государственного технического университета. Серия: Технические науки, 2021
Method of synthesis of a control system for the object with the distributed parametres, providing compensation of dynamic properties of the object and giving to it of properties of standard model of a set.
Aleksandr A. Tychinin   +2 more
doaj   +1 more source

INDONESIAN PRIMARY CARE THROUGH UNIVERSAL HEALTH COVERAGE SYSTEMS: A FEELING IN BONES

open access: yesPublic Health of Indonesia, 2018
Jaminan Kesehatan Nasional or JKN realized as the one of problem solving for equity of healthcare in Indonesian setting. At the same point, it has to compatible with all aspects in health financing issues by its newly adopted systems.
Al Asyary
doaj   +1 more source

The Characteristics of the Patients who Complained the Skin Problem in a Pediatric Emergency Center [PDF]

open access: yesPediatric Emergency Medicine Journal, 2014
Purpose Pediatric dermatologic conditions are rarely true emergencies. However, there are many patients having dermatologic problems in pediatric emergency centers (PECs) who complain skin problems.
Won Mo Song   +3 more
doaj   +1 more source

Substance Use Disorders and Behavioral Addictions During the COVID-19 Pandemic and COVID-19-Related Restrictions

open access: yesFrontiers in Psychiatry, 2021
COVID-19 was first identified in Wuhan, China in December of 2019 and appeared in the United States 1 month later. Between the onset of the pandemic and January 13, 2021, over 92 million people have tested positive for the virus and over 1.9 million ...
Nicole M. Avena   +8 more
doaj   +1 more source

The stratified p-center problem [PDF]

open access: yes, 2018
This work presents an extension of the p-center problem. In this new model, called Stratified p-Center Problem (SpCP), the demand is concentrated in a set of sites and the population of these sites is divided into different strata depending on the kind ...
Albareda-Sambola, Maria   +2 more
core   +3 more sources

The essential and the derivative moods of Aristotelian syllogism

open access: yesCogent Arts & Humanities, 2017
It is generally accepted that it is a mistake that Aristotle ignore the moods of the fourth figure in his syllogism. In this paper, I shall argue the Aristotelian syllogism consisting of the essential moods and their derivative moods is complete or self ...
Lei Ma
doaj   +1 more source

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