Objectives: To propose a reliable Block-chain based Biometric Authentication Solution (BBAS) for the Aadhar biometric authentication system. Methods: We have used Sokoto Coventry Fingerprint Dataset (SOCOFing) data set biometrics. The presented model was implemented using Ethereum network Geth (v.1.9.25) and Solidity (v.0.6.0). Python 3.8 Web3py were at client side. Findings: From proposed solu...

In today’s global markets, characterized by extremely fast changes in technology and customer’s demand, and by product life cycle getting shorter and shorter, a single firm has not the ability to be competitive if it is not included in a network that, operating as a single entity, is able to react to demand dynamism and volatility. Therefore, existing supply chains, structured in a global sourc...

Data concerning the price, cosmetic quality, and consumption of organic and conventional produce items were collected at two retail outlets in Tucson, Arizona. Data were gathered on Monday and Tuesday afternoons during a twelve week period between February 7 and April 26, 1994. The two retail stores were chosen as sites for data collection and consumer surveying because they stocked both organi...

In Brief: Endurance athletes and dieters are eager to burn more fat during exercise; athletes hope to conserve carbohydrate stores, while dieters wish to decrease fat stores. This article briefly reviews the role of fat as an energy source for physical activity, discusses how exercise intensity and duration affect fat and carbohydrate metabolism, and assesses the nutrition strategies athletes a...

INTRODUCTION We examined the feasibility of increasing access to healthful food in corner stores to inform a Communities Putting Prevention to Work (CPPW) initiative by engaging stakeholders (corner store owners and customers) in a formative evaluation. METHODS Qualitative interviews were conducted with corner store owners and managers (n = 11). Customer intercept surveys (n = 179) were also ...

This paper studies the supply chain system composed of online brand owners based on pure network sales to offline expansion, takes single channel model, establishes two dual-channel structure models direct selling model and distribution compares analyzes influence different structures pricing, demand optimal profit members. Research shows that brands in development strategy choice open stores f...

Although word-of-mouth (WOM) intention has been studied as an outcome variable of some constructs such loyalty, satisfaction, and trust in retail businesses but less attention given to the investigating effect sensory experience on customer WOM intention. Since studying concurrently effects emotions chain stores are rare, purpose this paper is study how affect stores, considering mediating role...

In this paper we study the drivers and consequences of understaffing in retail stores by examining the longitudinal data on traffic flow, sales and store managers’ labor planning decisions of 41 stores in a large retail chain. Assuming store managers are profit-maximizing agents, we use a structural estimation technique to estimate the contribution of labor to sales and impute the cost of labor...