scholarly journals A Mathematical Model for In-Person Office Assignment During COVID-19

2021 ◽  
Vol 9 (1) ◽  
pp. 68-74
Author(s):  
Daryl Santos
Keyword(s):  
Mathematical Model ◽  
Integer Programming ◽  
Assignment Problem ◽  
Daily Activities ◽  
Educational Systems ◽  
Work Related ◽  
Global Pandemic ◽  
Different Types ◽  
Assignment Models ◽  
A Company

The global pandemic that is COVID-19 has altered our world as we know it. Educational systems have been seriously affected, businesses – whether “essential” or not – have been severely stressed, how people socialize has, perhaps forever, been changed, and telecommuting is the new norm. The purpose of this paper is to discuss a situation wherein a company was having difficulty in scheduling their in-person office staffing in a move to allow rotational schedules for their employees to decongest their office when an entirely telecommuting operation was not possible. Due to the different types of employees, their various work-related constraints, and the need to minimize the number of bodies in the office while addressing minimum coverage necessary to perform the company’s daily activities, a quick solution to their scheduling/assignment needs was not obvious or trivially obtained. As such, mathematical models, specifically, integer programming assignment models, were developed and ultimately solved using the Python/Gurobi solver to address their scheduling needs. This paper will describe the constraints faced by the company and the models developed to solve their tricky assignment problem.

scholarly journals Online dashboard and data analysis approach for assessing COVID-19 case and death data

F1000Research ◽  
2020 ◽  
Vol 9 ◽  
pp. 570 ◽  
Author(s):  
Hector Florez ◽  
Sweta Singh
Keyword(s):  
Mathematical Model ◽  
Data Analysis ◽  
Severe Acute Respiratory Syndrome ◽  
World Health ◽  
Global Pandemic ◽  
The World ◽  
Different Types ◽  
Computer Based ◽  
Health Organization ◽  
Death Data

The 2019-2020 global pandemic has been caused by a disease called coronavirus disease 2019 (COVID-19). This disease has been caused by the Severe Acute Respiratory Syndrome coronavirus-2 (SARS-CoV-2). By April 30 2020, the World Health Organization reported 3,096,626 cases and 217,896 deaths, which implies an exponential growth for infection and deaths worldwide. Currently, there are various computer-based approaches that present COVID-19 data through different types of charts, which is very useful to recognise its behavior and trends. Nevertheless, such approaches do not allow for observation of any projection regarding confirmed cases and deaths, which would be useful to understand the trends of COVID-19. In this work, we have designed and developed an online dashboard that presents actual information about COVID-19. Furthermore, based on this information, we have designed a mathematical model in order to make projections about the evolution of cases and deaths worldwide and by country.

International Conference on Advancements in Technology, Business and Management Implementation of Assignment Model in Distributing Computer System

2019 ◽  
Vol 118 (4) ◽  
pp. 153-159
Author(s):  
S. Maheshwari ◽  
S. Iyyappan ◽  
M. Nirmala
Keyword(s):  
Mathematical Model ◽  
Computer System ◽  
Assignment Problem ◽  
Optimal Decision ◽  
International Conference ◽  
Assignment Model ◽  
Maximum Profit ◽  
Hungarian Method ◽  
A Company ◽  
Business And Management

This paper presents a mathematical model for distributing computers in the IT sector. The model is to find the maximum profit of a company who gives computers as rentals for various vendors. Assignment problem is implemented for assigning various computers to vendors. The solution of the assignment problem is obtained by Hungarian method. Based on this solution, the company made the optimal decision in distribution of computers to various vendors.

scholarly journals MODELING AND PRODUCTIVITY PREDICTION OF THE COMPANIES-INTERNAL CROWDSOURCING-BASED IDEATION

2021 ◽  
Vol 1 ◽  
pp. 2147-2156
Author(s):  
Pavel Livotov
Keyword(s):  
Mathematical Model ◽  
Finite Number ◽  
Research Question ◽  
Performance Function ◽  
Non Linear ◽  
Series Of Experiments ◽  
Productivity Prediction ◽  
A Company

AbstractThe internal crowdsourcing-based ideation within a company can be defined as an involvement of its staff, specialists, managers, and other employees, to propose solution ideas for a pre-defined problem. This paper addresses a question, how many participants of the company-internal ideation process are required to nearly reach the ideation limit for the problems with a finite number of workable solutions. To answer the research question, the author proposes a set of metrics and a non-linear ideation performance function with a positive decreasing slope and ideation limit for the closed-ended problems. Three series of experiments helped to explore relationships between the metric attributes and resulted in a mathematical model which allows companies to predict the productivity metrics of their crowdsourcing ideation activities such as quantity of different ideas and ideation limit as a function of the number of contributors, their average personal creativity and ideation efficiency of a contributors’ group.

Color-blindness simulation for red-green and blue-yellow ambiguity

2021 ◽  
pp. 1-12
Author(s):  
Sheida Anbari ◽  
Hamid Reza Hamidi ◽  
Shokoh Kermanshahani
Keyword(s):  
Color Vision ◽  
Color Perception ◽  
Color Blindness ◽  
Daily Activities ◽  
Reasonable Accuracy ◽  
Simulation Performance ◽  
Normal Color Vision ◽  
Test Kit ◽  
Different Types ◽  
Color Vision Test

Color blindness has important effects on people’s daily activities, since most activities require a discernment between colors. It is very important for engineers and designers to understand how colorblind people perceive colors. Therefore, many methods have been proposed to simulate color perception of people affected by Dichromacy and anomalous Trichromacy. However, the simulation results rarely have been evaluated with the reports of concerned individuals. In first study, we tried to simulate the color perception of people with different types (red and green) and different degrees of color blindness. Different degrees of red-green deficiency is simulated on the 24-plates brand of the Ishihara color vision test kit. Then simulated plates were tested on people with normal color vision. The results show that the simulation performance is better in the case of high degrees of red-green deficiency. There is also a clear difference between the assessment of female and male volunteers. In another study, the perception of the color of people with blue-yellow blindness is also considered. The proposed blue-yellow blind simulation is compared with the result of another research project. The results show that the color perception of individuals with different degrees of blue-yellow blindness can be reconstructed with a reasonable accuracy.

scholarly journals The Ways of Knowing the Pandemic With the Help of Prompted Autoethnography

2020 ◽  
pp. 107780042096013
Author(s):  
Pille Pruulmann-Vengerfeldt
Keyword(s):  
Personal Experience ◽  
Self Care ◽  
Ways Of Knowing ◽  
Qualitative Inquiry ◽  
Global Pandemic ◽  
Different Types ◽  
And Performance

This article discusses how different forms of autoethnographic production prompted by diverse forms of academic self-expression can lead to different types of knowing. Utilizing five examples from the Massive_Microscopic project, where participants responded to 21 different prompts inviting autoethnographic reflections about COVID-19 global pandemic, the article explores the responses from the perspective of alternative ways of knowing, reflecting on questions of motherhood, self-care, and performance in academia. Whether visual, rhythmic, or text produced from the perspective of things, the different modalities of the prompts allowed unexpected knowledge to emerge and supported deeper and more colorful reflections. Exploring the personal experience with the pandemic is expanded by the qualitative inquiry supported by different (self-)expression formats.

From Training in Ergonomic Diagnosis to Finding Solutions: Assessment of Ergo Groups that Used Participatory Ergonomics

2000 ◽  
Vol 44 (12) ◽  
pp. 2-720-2-723 ◽  
Author(s):  
Sylvie Montreuil ◽  
Marie Bellemare ◽  
Johane Prévost
Keyword(s):  
Musculoskeletal Disorders ◽  
Industrial Transformation ◽  
Participatory Ergonomics ◽  
Work Related ◽  
Work Related Musculoskeletal Disorders ◽  
A Company ◽  
Primary Aluminium

The goal of this article is to present the training given to ergonomic groups to teach them how to transform work situations in a company producing primary aluminium. It presents the transition from the ergonomic diagnosis (9) conducted by the groups (7) to the solutions they considered during a brainstorming session, the weighing of the solutions and, finally to the ideas retained for industrial transformation projects. The results show that the most numerous ideas and those that were most often retained concerned equipment-tools category. Of the ideas expressed, 50.5% and 40.5% were retained for transformation projects in the “equipment-tools” and “layout” categories, respectively. In this study, the ability of the ergonomics-trained groups to find relevant solutions for the prevention of work related musculoskeletal disorders (MSDs) seems undeniable to us.

scholarly journals Coordination mechanisms in the store opening process

2014 ◽  
Vol 42 (6) ◽  
pp. 482-499 ◽  
Author(s):  
Erik Sandberg
Keyword(s):  
Coordination Mechanisms ◽  
Content Type ◽  
Organic Growth ◽  
Effective Manner ◽  
Different Types ◽  
Multiple Case ◽  
Research Questions ◽  
A Company ◽  
Opening Process

Purpose – For many retailers organic growth through the opening of new stores is a crucial cornerstone of the business model. The purpose of this paper is to explore the store opening process conducted by retail companies. The research questions cover: first, the role and organisation of the establishment function in charge of the process; second, the activities and functions involved in the process; and third, the coordination mechanisms applied during the process. Design/methodology/approach – This research considers the store opening process as a company-wide project, managed by an establishment function, in which internal functions as well as external suppliers need to be coordinated. A multiple case study of eight retail companies is presented, focusing on the organisation of the establishment function, a mapping of the store opening process and the application of coordination mechanisms. Findings – The role and organisation of the establishment function is described and the store opening process is summarised into 11 main activities to be conducted by either the establishment function or other involved functions. During the store opening process six different coordination mechanisms are utilised, including mutual adjustments and direct supervision, as well as different types of standardisation. Originality/value – This research seeks to improve our understanding for the store opening process and how it can be managed and controlled in an effective manner.

scholarly journals Mathematical model on distributed denial of service attack through Internet of things in a network

2019 ◽  
Vol 8 (1) ◽  
pp. 486-495 ◽  
Author(s):  
Bimal Kumar Mishra ◽  
Ajit Kumar Keshri ◽  
Dheeresh Kumar Mallick ◽  
Binay Kumar Mishra
Keyword(s):  
Mathematical Model ◽  
Internet Of Things ◽  
Equilibrium Points ◽  
Denial Of Service ◽  
Distributed Denial Of Service ◽  
Ddos Attacks ◽  
Denial Of Service Attack ◽  
Different Types ◽  
Service Attack ◽  
Iot Devices

Abstract Internet of Things (IoT) opens up the possibility of agglomerations of different types of devices, Internet and human elements to provide extreme interconnectivity among them towards achieving a completely connected world of things. The mainstream adaptation of IoT technology and its widespread use has also opened up a whole new platform for cyber perpetrators mostly used for distributed denial of service (DDoS) attacks. In this paper, under the influence of internal and external nodes, a two - fold epidemic model is developed where attack on IoT devices is first achieved and then IoT based distributed attack of malicious objects on targeted resources in a network has been established. This model is mainly based on Mirai botnet made of IoT devices which came into the limelight with three major DDoS attacks in 2016. The model is analyzed at equilibrium points to find the conditions for their local and global stability. Impact of external nodes on the over-all model is critically analyzed. Numerical simulations are performed to validate the vitality of the model developed.

scholarly journals The Value Of Cre In The Formulation And Implementation Process Of Real Estate Strategies In A Company

2014 ◽  
Vol 22 (1) ◽  
pp. 58-68
Author(s):  
Jan Konowalczuk ◽  
Tomasz Ramian
Keyword(s):  
Real Estate ◽  
Market Share ◽  
Property Values ◽  
Implementation Process ◽  
Market Value ◽  
Development Projects ◽  
Property Value ◽  
Different Types ◽  
A Company

Abstract One of the fundamental ways in which an advantage over competitors can be gained in business is to develop real estate portfolios in such a way that will lead to an increase in market share and value for shareholders. This serves as justification for the formulation and implementation of specific real estate strategies regarding the best manner in which to use CRE, make decisions regarding restructuring, and carry out necessary development projects, taking into account the criteria of: location, time, and procurement options. This paper presents the formulation and realization of real estate strategies, focusing on the use of the category of property value. Moreover, the authors formulate a possible classification of CRE, which is useful from the perspective of real estate strategies, in addition to identifying and evaluating different types of property values which can be used for real estate strategies. For the majority of operational properties, these categories differ from market value. The last part of the publication provides a reference of selected valuation methods used to determine the value of CRE in the context of formulating and implementing real estate strategies.

scholarly journals Death following accidental compression of neck by safety harness: A case of fall from height

2021 ◽  
Vol 8 (4) ◽  
pp. 258-261
Author(s):  
Bedanta Sarma ◽  
Shreemanta Kumar Dash ◽  
Pankaj Suresh Ghormade
Keyword(s):  
Spinal Cord ◽  
Cervical Spine ◽  
Economic Burden ◽  
Construction Sites ◽  
Work Related ◽  
The Family ◽  
Different Types ◽  
Proper Training ◽  
Fall From Height ◽  
The Individual

Work related fall from height many a times causes fatal injuries and death amongst working in various construction sites. It leads to different types of fatal bodily injuries including spinal injuries causing economic burden to the family. Although, they have been provided with protective gears and proper training for its use; it has been observed that workers are not using these in a proper ways. They eventually met with accidents which can easily be prevented. Accidental compression of neck by safety harness following fall from height has rarely been described leading to death of the individual. A case was brought for autopsy following accidental compression of neck structure causing fracture of cervical spine and transaction of spinal cord. In this paper, the case has been described with its autopsy findings.

Sign in / Sign up

Export Citation Format

Share Document