This paper investigates the periodic delivery planning of vending machine problem (PDPVMP). The problem is a periodic vehicle routing problem (PVRP), which is also an extension of the typical vehicle routing problem (VRP). The considered PDPVMP contains multiple vending machines with periodic demands. For each vending machine, its replenishment frequency is either once per two days or twice per...

In this paper, a novel development of Medical Supplies Vending Machine is described for solving recent emerging problems. the COVID-19 pandemic, demand round-the-clock and urgent supply medical supplies have surged to point that difficult serve by conventional chain, which largely relies on shops pharmacy outlets sell them during restricted opening hours only. As result, many consumers are depr...

The nutritional quality of food and beverage products sold in vending machines has been implicated as a contributing factor to the development of an obesogenic food environment. How comprehensive, reliable, and valid are the current assessment tools for vending machines to support or refute these claims? A systematic review was conducted to summarize, compare, and evaluate the current methodolo...

BACKGROUND The 2013-2014 school year involved preparation for implementing the new US Department of Agriculture (USDA) competitive foods nutrition standards. An awareness of associations between commercial supplier involvement, food vending practices, and food vending item availability may assist schools in preparing for the new standards. METHODS Analyses used 2007-2012 questionnaire data fr...

Policies that change environments are important tools for preventing chronic diseases, including obesity. Boards of health often have authority to adopt such policies, but few do so. This study assesses 1) how one local board of health developed a policy approach for healthy food access through vending machine guidelines (rather than regulations) and 2) the impact of the approach. Using a case ...

Abstract: This paper describes the design of any time medicine vending machine as a health device for purpose person who in need medicines and its assistance. mainly consists card reader dispenser which comprises automatic through per doctor’s e-prescription updated into smart card. is controlled by Arduino board single computer it can be aspect from online portal to check his doctor generate o...

The model of a side information"vending machine"accounts for scenarios in which acquiring side information is costly and thus should be done efficiently. In this paper, the three-node cascade source coding problem is studied under the assumption that a side information vending machine is available either at the intermediate or at the end node. In both cases, a single-letter characterization of ...

OBJECTIVE To assess agreement among three nutrient profiling systems used to evaluate the healthfulness of vending machine products in recreation and sport settings in three Canadian provinces. We also assessed whether the nutritional profile of vending machine items in recreation and sport facilities that were adhering to nutrition guidelines (implementers) was superior to that of facilities t...

Gedruckt auf alterungsbeständigem Papier nach ISO 9706 (säure-, holz-und chlorfrei). Digital ist besser Tocotronic vi Preface This thesis is a research monograph. As such, it targets at an audience of experts, primarily in the fields of foundations of computer science and discrete mathematics. Nevertheless, already several persons showed interest in understanding at least the main theme of this...