
Sohail S. Chaudhry- PhD
- Professor (Full) at Villanova University
Sohail S. Chaudhry
- PhD
- Professor (Full) at Villanova University
About
103
Publications
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Introduction
Dr. Sohail S. Chaudhry is a Professor in the Department of Management & Operations, Villanova School of Business, Villanova University, PA, USA. Dr. Sohail conducts research in the areas of Industrial Engineering, Supply Chain Management, and Information Systems. One of his most recent publication is 'Multi-Period Multi-Product Acquisition Planning with Uncertain Demands and Supplier Quantity Discounts,' Transportation Research Part E: Logistics and Transportation Review, 132:117-140, 2019.
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Education
August 1979 - May 1985
August 1977 - October 1979
August 1976 - October 1977
Publications
Publications (103)
E-banking requires a high level of trust because it involves disclosure of vital and confidential information which customers are often reluctant to share because of the risks involved. With the growth of technology, there has been an increase in cyber threats. While transacting online customers fear the security of their personal information to sa...
Variations in sales promotion in e-commerce impact online purchase decisions. Managers of e-commerce marketplaces must comprehend the effects of sales deviations on purchase decisions. We categorize sales promotion changes as either recognisable or unrecognisable to the consumer. We used the stimulus-organization-response model to assess the influe...
The existing shelf layout methods do not explicitly consider the attention and relevancy of the commodity systematically and thus have failed to capture the invalid associations, resulting in poor sales impact and customer satisfaction. For such shortcomings, in this paper, we propose a mathematical programming approach for shelf layout problems ba...
Transportation enterprises have started to pay more attention to the vast amount of historical operational data. In this paper, real route information is extracted from the freight car trajectory data and a satisfied route is proposed based on this information. The satisfied route not only can reduce the travel cost but also conform to the actual t...
The nurturing of an entrepreneurial university is essential since it creates an important place to teach the key themes of entrepreneurship. This paper provides a literature review and discusses the various definitions of the entrepreneurial university and its development factors. This paper uses [Kearnay’s (1999). Enterprising Ways to Teach and Le...
With the rapid development of big data, 6G, Internet of Things (IoT) and other information and communication technologies (ICTs), artificial intelligence (AI) has ushered in new opportunities for more advancements. AI systems are changing the survival and development of human society. This study focuses on the research and application of AI systems...
Online retailers are providing customized logistics service to meet heterogeneous customer demand. However, the value of customized logistics service is not clear. We study conceptually and empirically how customized logistics service influences online customer post-purchase behavior, specifically e-satisfaction and e-loyalty. Primary data on custo...
A computer-based routing and scheduling system of a delivery van was
developed for a Public Library System. The computer-based model was based on the closest unvisited destination as well as other system constraints and was implemented using a computing language. The solutions were compared to the existing manual solutions and policy changes due to...
Purpose
Enhancing consumer engagement in e-commerce live streaming is critical for e-commerce operators to build relationships and create consumer loyalty. Using the stimulus–organism–response model and theories from relationship marketing, the authors develop and test an integrative conceptual framework that combines various relational bonds, affe...
As human-made and natural disasters become more severe, power and digital-computing capabilities become unavailable for longer periods of time in their aftermaths in villages across the developing countries. However, the need for village leaders and first-responders to promptly visit their residents, assess the damage and provide reassurances remai...
As human-made and natural disasters become more severe, power and digital-computing capabilities become unavailable for longer periods of time in their aftermaths in villages across the developing countries. However, the need for village leaders and first-responders to promptly visit their residents, assess the damage and provide reassurances remai...
In 2013, Germany, a world leading industrialized nation published its Industry 4.0 strategic plan. The term Industry 4.0 has been referred to the Fourth Industrial Revolution. In this paper, in the era of Industry 4.0, we studied the importance of three types of legitimacy related to the different stages of new ventures. A framework was designed us...
In the era of Industry 4.0 and Made in China 2025 initiatives, this research is focused on exploring how entrepreneurial decision‐making logics contribute to opportunity identification by combining effectuation theory and knowledge‐based theory under high uncertainty through strategic knowledge integration in emerging economies, such as the Chinese...
The Internet of Things (IoT) is a term that has been introduced in recent years to describe objects that can communicate via the Internet. IoT is an emerging Internet-based information architecture that can be employed to facilitate information flow in global information networks. With the assumption that objects have digital functionality and can...
When teaching Operations Management (OM) in a liberal arts setting, two issues arise - the lack of interest and knowledge retention by the students. This paper suggests that these are due to the lack of integration of OM with other business disciplines when taught and the divergence between what working students experience in practice and how OM is...
In this paper, we address a multi-period multi-product acquisition planning problem where the retailer faces uncertain demand for the products and the suppliers provide all-unit quantity discounts. The problem is an extension of single period constrained newsvendor problem, which considers both the supplier discounts and multiple periods. We formul...
Electronic markets and networked business is one of most challenging
areas for industry and research communities. Electronic markets have evolved from the classic article on the Electronic market hypothesis published in Communications of the ACM in 1987 to the highly integrated and collaborative e-business such as Alibaba (Malone et al. 1987; Wang...
With the aims of achieving the distributed, collaborative and automated design & manufacturing workflow, the concept of Industry 4.0 and its associated implementations have been effectively taken advantages of those developed technologies such as Cyber-Physical System, Internet of Things, Cloud Computing and Big Data Analytics. More specifically, t...
Over the past decade, the development of BRIC countries as a driver of global economic growth has been one of the most fundamental trends. BRIC countries account for more and more of the world's exports, including technology exports. Thus far, only a sliver of the extant literature covers either the broader or more focused issues of technological e...
In recent years, as a novel financing mechanism, crowdfunding has gained popularity worldwide. In China, Crowdfunding started in 2011 and has experienced extremely fast growth since then. Several studies have identified success factors for crowdfunding. While these studies help infer the dynamics of crowdfunding, such dynamics have not been suffici...
As online social networks are reshaping the way users share their daily experiences, and the way business practitioners manage their marketing activities, crowdturfing has been emerging as a potential threat that concerns many users. If no proper measures are taken, it may result in a crisis, such as public opinion being misled. In general, crowdtu...
Purpose
The purpose of this paper is to develop a simulation-based value function (VF) that combines multiple key performance indicators (KPIs) into a unified Sigma rating (SR) for system-level performance assessment and improvement.
Design/methodology/approach
Simulation is used as a platform for assessing the multiple KPIs at the system level....
The term ‘‘e-business’’ was coined by IBM in 1990s, and defined as business activities and processes assisted by Information and Communication Technologies (ICT). In e-commerce sector, according to a recent study, ‘‘Total e-commerce retail sale for 2014 in the US are estimated at $304.9 billion, marking a 15.4 % increase from 2013 sales.
In the sam...
To operate an in-orbit spacecraft, the spacecraft status has to be monitored autonomously by collecting and analysing real-time data, and then detecting abnormities and malfunctions of system components. To develop an information system for spacecraft state detection, we investigate the feasibility of using ontology-based artificial intelligence in...
The Internet of Things (IoT) is a term that has been introduced in recent years to describe objects that are able to communicate via the internet (Li et al., 2015; Reaidy et al., 2015). Assuming that objects have digital functionality and can be identified and tracked automatically, IoT can dramatically streamline how the industrial and commerce sy...
The evolution from physical distribution to logistics, and then to supply chain management has invoked many interesting studies in recent years. By applying the material flow theory that expands attributes of logistics to coordination of environment, economy, and society, this paper examines the evolution from a unique perspective: sustainable deve...
Lixin Shen Hong Wang Li Da Xu- [...]
Wu He
A new approach for face recognition, based on kernel principal component analysis (KPCA) and support vector machines (SVMs), is presented to improve the recognition performance of the method based on principal component analysis (PCA). This method can simultaneously be applied to solve both the over-fitting problem and the small sample problem. The...
The evolution from physical distribution to logistics, and then to supply chain management has invoked many interesting studies in recent years. By applying the material flow theory that expands attributes of logistics to coordination of environment, economy, and society, this paper examines the evolution from a unique perspective: sustainable devel...
In today’s ever changing consumer driven market economy, it is imperative for providers to respond expeditiously to the changes demanded by the customer. This phenomenon is no different in the transportation sector in which a service-oriented Group Decision Support System (GDSS) provides an important role in transportation enterprise to effectively...
In this paper, a framework is developed that evaluates supermarket food safety and exposes its relative strengths and weaknesses. The proposed framework is divided into three stages. During the first stage, an index system is constructed that is associated with supermarket food safety based on the supply chain. In the second stage, the Analytic Hie...
Autoregressive integrated moving average (ARIMA) model has been successfully applied as a popular linear model for economic time series forecasting. In addition, during the recent years, artificial neural networks (ANNs) have been used to capture the complex economic relationships with a variety of patterns as they serve as a powerful and flexible...
The explosion of information technology has allowed universities to provide professors in cyber classrooms to facilitate learning in another environment. Lucrative new market segments, such as global MBA programs, have allowed many institutions to broaden their customer base to serve a virtual customer. In response to this new demand, several unive...
One important module of Enterprise Information System (EIS) is the development and implementation of the security component of EIS. Furthermore, this EIS Security structure needs to be monitored through the corporate governance of the firm. Based on a literature review and our previous work, we identified four key pillars of a model for EIS Securit...
This research focuses on the initiative to integrate team task and job engagement as related to the transfer of tacit knowledge. The aim of this study is to investigate if team task and job involvement enhances the overall work efficiency through transfer of tacit knowledge between e-business virtual teams. We develop a model that is based on the r...
This paper presents a group decision-making approach for managing unconventional emergency situations using the internet. In unconventional emergency events, the expediency of developing a response strategy is of utmost importance in group decision-making environment. The research of this paper aims to rapidly develop and execute the response appro...
We introduce the following network optimization problem: given a directed graph with a cost function on the arcs, demands at the nodes, and a single source s, find the minimum cost connected subgraph from s such that its total demand is no less than lower bound D. We describe applications of this problem to disaster relief and media broadcasting, a...
Finding the shortest paths in a schedule-based public transit network is similar to finding the shortest paths in a network with multi-costs constrained and time-window constraints. We consider a schedule-based transit network, where each node in the network has a list of scheduled departure times for transit vehicles. The objective of this paper i...
One of the most important ways for promoting the service level during emergency management in public sectors is through enhancing management of strategic resources. From the perspective of vertical integration of operational process in emergency management, emergency resources can be classified as those resources used during the response period as...
For many years now Enterprise Information Systems have been critical in helping businesses successfully navigate the global market. The development that started with design and implementation of integrated systems has evolved to incorporate a multitude of perspectives and ideas. The Enterprise Information Systems functionality extends from principa...
An electronic marketplace (e-marketplace) is a common business information space populated with many entities of different system types. Each of them has its own context of how to process activities. This leads to heterogeneous e-marketplace activities, which are difficult to make interoperable and inferred from one entity to another. This study so...
Modern Internet routers have to handle a large number of packet classification rules, which requires classification schemes to be scalable both in time and space. In this paper, we present a scalable packet classification algorithm that is developed by combining two new concepts to the well-known bit vector (BV) scheme. We propose a range search me...
Over the past half a century, organizations have implemented information systems for managing their business processes. These information systems have now evolved into what are more commonly known as enterprise information systems. An important facet of implementing an enterprise information system in an organization is the development of security...
This book constitutes the post conference proceedings of the 5th International IFIP Working Conference on Research and Practical Issues of Enterprise Information Systems (CONFENIS 2011), held in Aalborg, Denmark, October 16-18, 2011.
The 12 papers presented in this volume were carefully reviewed and selected from 103 submissions. The papers are org...
For many decades, organizations have implemented information systems for overseeing their business processes. These information systems have developed into what are known as enterprise information systems. Overall, a key part of establishing the enterprise information system in an organization is the development of security related protocol to admi...
This article presents an overview of the growth of internet piracy in the global marketplace. The ethical perceptions (or lack of) of the younger generation is addressed, in terms of their willingness to consume counterfeit goods on the web. Firms face the task of educating the consumer that downloading music, software, movies and the like, without...
Abstract: The growing interest in the material flow (MF) theory has invoked many interesting studies in recent years. Although the MF theory is a new theory, literature review from a historical perspective shows that MF theory represents a new stage of the development of interrelated subjects including PD, Logistics, and SCM. The purpose of this pa...
We study a vendor selection problem in which the buyer allocates an order quantity for an item among a set of suppliers such that the required aggregate quality, service, and lead time requirements are achieved at minimum cost. Some or all of these characteristics can be stochastic and hence, we treat the aggregate quality and service as uncertain....
In this paper, we present the main viewpoints of some historical schools related with the theories on factors of production. Also, we analyse the problems associated with the present theories related to the factors of production and then, introduce some new developments. These new developments which are associated with the theory connected to the s...
A construction project is an example of a complex systems engineering problem. In this paper, we have characterized a construction project in the context of the theory of six forces on the factors of production. This new approach was defined by giving consideration to the characteristics of the construction project's resource allocation. An economi...
This paper presents an interdisciplinary systems approach to service modeling, design and deployment. The study is based on
a longitudinal case study of the development process of a complex logistic service system based on an advanced logistics model.
The case examines the development of a Virtual Enterprise Architecture (VEA) for an automatic high...
This paper proposes a stochastic dependent-chance programming model for vendor selection problem under the condition that the capacity, quality level, service level and lead time of each vendor are considered to be stochastic. Since stochastic programming is hard to solve by traditional methods, a hybrid adaptive genetic algorithm, which embeds the...
International Federation for Information Processing
The IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. The scope of the series includes: foundations of computer science; software theory and practice; education; computer applications in technology; communication systems; systems mode...
International Federation for Information Processing
The IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. The scope of the series includes: foundations of computer science; software theory and practice; education; computer applications in technology; communication systems; systems mode...
In Material Requirements Planning (MRP) systems, the real-life stochastic nature of key system elements such as demand and lead time needs to be considered to make the lot-sizing rules perform effectively. This study simulates the performance of nine lot-sizing rules for a multilevel MRP system, under simultaneous uncertainty in demand and lead tim...
ERP systems for manufacturing sector are commercially available and research on ERP systems for manufacturing enterprises is prevalent now. However, little attention has so far been paid on how to establish ERP systems for large scale engineering projects. An ERP system for a specific engineering project is usually not available commercially. In th...
Product bundling has become increasingly prevalent not only in consumer goods but also in the industrial sector. We study a purchasing problem in which a buyer must obtain necessary numbers of various stock items from a variety of vendors who charge different prices, have limited capacities and different levels of quality, and offer bundled product...
The South to North Water Transfer Project is one of the four largest trans-century projects in China, which is expected to be completed by 2008. The project seeks to promote Northern China's economic growth by relaxing water constraints in a region now ...
Evaluation system model is a key point of employee turnover risk evaluation in enterprises. It is important to the validity and veracity of evaluation result. This paper focused on the analysis and design of processes, and techniques of employee turnover risk evaluation system model. A multilevel employee turnover risk evaluation system model based...
In this paper we address the problem of locating a maximum weighted number of facilities such that no two are within a specified distance from each other. A natural process of evolution approach, more specifically a genetic algorithm, is proposed to solve this problem. It is shown that through the use of a commercially available spreadsheet-based g...
Globally, over the past decade, there has been a tremendous proliferation of the traditional enterprise resource planning systems in businesses. In addition, the economy has evolved into a knowledge-based economy that has made knowledge a valuable asset for businesses. As knowledge-based economy evolves and businesses implement enterprise resource...
ERP systems for the manufacturing sector are commercially available and research on ERP systems for manufacturing enterprises is prevalent now. However, little attention has so far been paid on how to establish ERP systems for large scale engineering projects. An ERP system for a specific engineering project is usually not available commercially. I...
The paper describes a class of special stochastic chance-constrained programming models used in vendor selection problem. In our case the chance constraints models are converted to their respective deterministic equivalents, and then the equivalent deterministic models are obtained. A specific genetic algorithm was designed for the problem. The exp...
International Federation for Information Processing
The IFIP series publishes state-of-the-art results in the sciences and technologies of information and communication. The scope of the series includes: foundations of computer science; software theory and practice; education; computer applications in technology; communication systems; systems mode...
Over the last decade, there has been a rapid growth of the use of genetic algorithms in the various areas of production and operations management. This paper provides a review of genetic algorithms research published in twenty-one major production and operations management journals from 1990–2001. More specifically, it identifies research trends an...
As a provider of public transportation services in the Philadelphia area, the Southeastern Pennsylvania Transportation Authority operates and maintains a large number of transit vehicles for daily use. In an attempt to improve service quality and reduce costs, the Southeastern Pennsylvania Transportation Authority underwent a program to train staff...
The social demands for third-party logistics (3PL) are further developing the model of supply chain management. The analysis of an effective approach for 3PL service supplier evaluation is given in terms of its direct relation to the operational efficiency and benefit of the service-demanding enterprise as well as its supply chain management. An an...
Rail yards dispatcher must determine (1) how cars are transferred from one inbound train to another outbound train and what is the makeup of each outbound train, (2) how to use yard engines, (3) how to arrange yard track occupation. The sum total of these decisions is the basis of other decisions in rail yards. This paper presents the formulation a...
A hoist controlled by a computer is widely used for moving electroplates which is chemically treated in a sequence of tanks. The hoist scheduling directly affects the throughput of a production system. The objective of the hoist scheduling problem is ...
Locating p facilities to serve a number of customers is a problem in many areas of business. The problem is to determine p facility locations such that the weighted average distance traveled from all the demand points to their nearest facility sites is minimized. A variant of the p-median problem is one in which a maximum distance constraint is imp...
This study examines the issues associated with the acquisition and implementation of manufacturing resource planning (MRPII) systems in Chinese manufacturing companies. A survey instrument based on existing studies was developed and mailed to 150 manufacturing firms that had acquired and implemented an MRPII system. The survey was completed by seni...
In this paper, we present a fuzzy dispatching model to assist the coordination among multi-objective decisions in railyards dispatching plan. The objectives considered here are to maximize railyards output and on-time service of the dispatching plan. Genetic algorithms are used to investigate and analyze the fuzzy dispatching model. Experimental re...
Darwinian evolution and genetics have spawned a class of computational methods called evolutionary algorithms, and in particular, genetic algorithms. These evolutionary strategies provide new opportunities and challenges with ever-increasing applications in industry. In this paper, we propose that the proper context for a basic unifying theory of e...
A research was made to determine the quality issues in the Japanese business firms to estimate the differences in theoretical and practical applications. A set of questionaires were prepared to ask various Japanese managers concerned with quality management. The majority of managers emphasized on customer satisfaction as the goal of quality. Compan...
Aims to explore the role of management and control of quality in a process industry. Specifically, focuses on the current practices in the process of making cheese. Develops a survey instrument to measure managers’ perceptions regarding the extent to which various quality management procedures are implemented in the production of cheese. Reveals se...
The availability of decision support and productivity software is providing opportunities for small businesses to develop systems which utilize operations research models to support decision-making. A framework for the development of small business decision support systems is presented and is applied to inventory management decision support system...
Previously, a heuristic algorithm was developed for determining order quantities for multiple items given all-units quantity discounts and a single resource constraint. This short communication extends this Lagrangian relaxation approach to provide improved solutions. Examples and computational results are presented that compare solutions from the...
The p-median problem involves the locating of a fixed
number of facilities to serve a set of customers such that the aggregate
distance travelled is minimized. Considers the p-median problem
with and without distance constraints. Solves the two versions of the
p-median problems utilizing the heuristic proposed by Teitz and
Bart using three differen...
This paper studies the multi-item inventory problem with a single constraint. Two well-known approaches to this problem are the Lagrangian method and the fixed-cycle approach. Both of these methods generate stationary ordering policies. A competing approach is presented here that generates non-stationary ordering policies, with order quantities tha...
Product bundling has become increasingly prevalent not only in consumer goods but also in the industrial sector. We study a purchasing problem in which a buyer must obtain necessary numbers of various stock items from a variety of vendors who charge different prices, have limited capacities and different levels of quality, and offer bundled product...
This paper presents a heuristic algorithm for determining order quantities for multiple items given incremental quantity discounts and a single resourse constraint. The heuristic is based on Lagrangian relaxation. The performance of the heuristic is compared, for small problems, with a procedure that generates optimal solutions. Results from comput...
We study the problem of vendor selection where a buyer must choose order quantities to place with vendors in a multiple-sourcing network. The selection process is influenced by the price, delivery, and quality objectives of the buyer, as well as by the production or rationing constraints of the vendors. Vendors are assumed to offer price breaks whi...
The p-median problem with maximum distance constraints between demand points and their respective nearest facilities is revisited. We present our computational experience on the use of Lagrangian relaxation and subgradient methods in the branch-and-bound procedure for solving this problem. The approach used in this paper is a direct approach in the...
Recently, several college textbook publishers have offered Personnel/Human Resource Management (P/HRM) microcomputer packages for use in P/HRM courses. In this paper, we compare three widely-used packages. All of these multiple-program packages employ Lotus 1-2-3 on IBM-PC (or compatible) microcomputers. Common features (training programs, performa...
Rao and Saraswati (1988) examined a multiple criterion network location problem and utilized fuzzy set theory in their methodology to solve the problem. In this paper, a number of important issues which the authors failed to address are discussed. These issues are: exclusion of relevant location literature from the paper; incorrect mathematical for...
One of the goals of American manufacturers is to produce products of superior quality to satisfy customers' needs consistently. This goal can be attained through the implementation of statistical process control (SPC) in their manufacturing processes. SPC is the use of statistical techniques to evaluate a process or its output to achieve and mainta...
The article describes a systematic process which develops an expert systems course to educate business computer information systems professionals, with emphasis on both theoretical and applied aspects. The process includes: (1) identifying the field of practice in expert systems; (2) identifying a belief in the career of prospective business comput...
The implementation and use of statistical process control in a chemicals and plastics firm are examined. The essential external factors are focused upon, which are associated with the practical implementation of statistical process control. The important components of a Statistical Process Control process optimisation study are discussed in the con...
Relevance trees attempt to capture the decisions mediators make at various times, and offer guidance as to which strategies may be particularly appropriate for particular types of disputes. The relevance tree can be useful for helping the mediator take a rigorous and systematic approach to problem solving. A relevance tree can call attention to fea...
Instruction in American business schools is increasingly being influenced by technological developments. The development of specialized software has provided opportunities to integrate microcomputer applications into courses traditionally taught by using text material or case studies. Pressure to incorporate software applications in business course...
The conditional covering problem is a variation of the set-covering problem which seeks a minimum set of facility sites that will cover not only the given demand points but also one another. Finding an exact solution to the problem is difficult and costly. This paper presents seven greedy heuristics with computational results. Compared with exact i...