Forthcoming articles

 


International Journal of Business and Systems Research

 

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International Journal of Business and Systems Research (26 papers in press)

 

Regular Issues

 

  • An end-to-end system to enhance business process performance through new outsourcing to the Cloud strategies   Order a copy of this article
    by Mouna Rekik, Khouloud Boukadi, Hanêne Ben Abdallah 
    Abstract: This paper proposes an end-to-end system entitled Business Process Outsourcing for Performance Enhancement (BPO4PE). It presents a deep analysis and research of the BPO to the Cloud life-cycle starting from the identification of the business process outsourcing criteria with until the selection of business process activities to be outsourced as well as the most suitable Infrastructure as a Service (IaaS) offering to support their execution. We evaluate the system through different experiments that prove its good performance.
    Keywords: BPO; Cloud; NSGA II; BPMN2.0.

  • Exploring the Role of Human Resource Practices in Organizational Empowerment in Developing Countries: Evidence from Power Industry in Iran   Order a copy of this article
    by Hossein Mansoori, Ali Shaemi Barzoki, Mohammad Hossein Moshref Javadi, Masoud Kianpour 
    Abstract: In human resource management (HRM) system, there are many factors that can affect the organizational empowerment. Human resource practices are some of these important factors, which were mainly studied at individual level and were rarely explored at the organizational level. Focusing on power industry in Iran, the current study sought to develop and test an organizational empowerment model based on human resource practices. A mixed methods approach was utilized, including a grounded theory study that was followed by a quantitative phase. The qualitative phase was conducted to develop an organizational empowerment model based on human resource practices.The hypotheses developed in the qualitative phase were tested through quantitative phase, including structural equation modeling.The results revealed that views and attitudes towards human resources as causal factors had significant effects on human resource practices; and human resource practices, contextual factors, as well as intervening variables had significant impacts on organizational empowerment strategies.
    Keywords: Human Resource Systems; Human Resource Practices; Organizational Empowerment; Intraorganizational Empowerment; Interorganizational Empowerment; Extraorganizational Empowerment; A mixed-method approach,Grounded Theory; Structural Equation Model.

  • Towards the Verification of Cyber-Physical Processes based on Time and Physical Properties   Order a copy of this article
    by Imen Graja, Slim Kallel, Nawal Guermouche, Ahmed Hadj Kacem 
    Abstract: Cyber-physical systems (CPS) enable the development of complex real-world applications through the integration of computing and non-computing elements. At-design time, a cyber-physical process is a set of cyber and physical activities performed to accomplish a common goal in a given amount of time. The collaboration between the cyber-physical processes, through exchanging messages and objects, describes the behavior of networked cyber-physical systems (NCPS). CPS have time-related and physical properties, which are crucial to the correctness of their execution. However, when we specify the collaboration between multiple processes, some combination of their corresponding properties can be conflicting. This conflict renders the participating cyber-physical processes incompatible. We observe two types of problems: implicit time-related, and physical-related incompatibilities. In this paper, we propose a novel approach to verify the compatibility of collaborative cyber-physical processes with time-related and physical properties. In order to accomplish our verification, we first define a set of constraints that specify the structural, time-related, physical and synchronization properties. Next, based on the defined constraints, we automatically transform the NCPS model into a constraint satisfaction model. Finally, we analyze the generated constraint satisfaction model to check its consistency. We demonstrate the applicability of our approach through a case study and discuss its effectiveness in modeling and verifying the cyber-physical processes.
    Keywords: Cyber-physical systems; Time-related Properties; Physical Properties; Collaborative behavior; Constraint Satisfaction Problem; BPMN; Compatibility of processes.

  • Prioritising Disclosures of Information in Analyst Reports using the Analytic Hierarchy Process: Evidence from Malaysia   Order a copy of this article
    by Hassanudin Mohd Thas Thaker, Azhar Mohamad 
    Abstract: This paper aims to document investor priority of information disclosed in analyst reports which has not been extensively researched in the context of Malaysia. For the purpose of analysis, this study uses primary data via a survey method. The data is analysed using a versatile multi-criteria decision-making approach, known as the Analytic Hierarchy Process (AHP). Findings reveal that investors place higher priority towards valuation in making an investment decision, followed by earnings summary, share performance, forecast revision, share information, financial indicators, segmental analysis, and scorecard in their use of the analyst report. The study is the first attempt to illustrate the priority of information disclosure in analyst reports given by investors when making an investment decision. Since this area of analyst recommendation is untapped in the context of Malaysia, the result of this study is expected to enrich the existing literature available in the field of analyst reports.
    Keywords: Analyst report; Analytical Hierarchy Process; Malaysia.

  • A Mathematical Model for Measuring and Managing Macrosustainabilty   Order a copy of this article
    by John Wang, Ray Qing Cao, Vicky Ching Gu 
    Abstract: In order for the human race to continue to thrive in the long term, we have to learn how to manage our natural resources wisely. In order to manage something you must first be able to measure it. Macrosustainabilty is the key to finding solutions to megaproblems facing the Earth such as insufficient access to food, environmental degradation, declining natural resources, and deteriorating communities. This paper measures and manages global macrosustainabilty. An optimization model has been set based on the five categories.
    Keywords: macrosustainabilty; megaproblems; economic sustainability; health sustainability; social sustainability; environmental sustainability; business ecosystemrn rn.

  • Assessing Service Quality using Fuzzy Numbers and TOPSIS: An application to Self-Contained and Serviced Apartments   Order a copy of this article
    by Juan Carlos Martín, Cira Mendoza, Concepción Román 
    Abstract: This research paper proposes a methodological framework to assess the service quality (SQ) of self-contained and serviced apartments (SCSAs). The study is based on 2753 surveys administered in a SCSA resort located in the south of Gran Canaria Island. SQ is based on a questionnaire that contains a list of 48 attributes. The answers format is based on a 4-facial expressions scale that cannot be easily transformed in a numeric scale. Thus, the ambiguity and possible biased analysis has partly overcome applying the fundaments of the Fuzzy Set Theory. TOPSIS approach is then employed to obtain a synthetic SQ indicator. Finally, an observation-attribute relative performance analysis is developed to identify the operational areas that need improvement or can keep up the good work. The findings of this study may assist managers and policy planners with important insights about the attributes that tourists value more.
    Keywords: Fuzzy numbers; TOPSIS; Service quality; Extra-hotel industry; SCSAs; Elasticity; Serviced-apartments; Ideal Solutions;Attribute Relative Performance; Observation Relative Performance.

  • Managing University Rank and Tenure Decisions Using a Multi-criteria Decision-Making Approach   Order a copy of this article
    by Enrique Mu, Cynthia Nicola 
    Abstract: Faculty evaluation in academia is a serious concern for higher-education administrators. This study develops a model for rank and tenure (R&T) decisions using an Analytic Hierarchy Process (AHP) multi-criteria decision-making (MCDM) approach. Literature review suggests most R&T evaluations are rather subjective in many institutions. A case method approach is used for the development of a model and demonstration of its use. The proposed evaluation model provides objectivity, transparency and customization for R&T committee decisions in higher-education institutions.
    Keywords: AHP; Analytic Hierarchy Process; rank and tenure; university promotion decisions; decision transparency.

  • Hedonic Preference for Technological Devices Justified by Utilitarian Application   Order a copy of this article
    by Emílio José M. Arruda-Filho 
    Abstract: This study analyses consumer behaviour for bundled mobile phones, and tests the perception that integrated products have higher hedonic, rather than utilitarian, value. The study covers a variety of scenarios based on brand, price, and preference (hedonic or utilitarian) in the selection of mobile telecommunications devices. Two studies are developed on two specific themes: benchmarking of hedonic and utilitarian values according to consumers current mobile phones, and hypotheses testing of consumer preferences related to hedonism/utilitarianism under the conditions of brand, price, and mobile characteristics (kind of convergence) proposed. This study enhances understanding of consumers preferences and market tendencies according to their values related to hedonic and utilitarian characteristics converged in mobile devices. Thus, it has academic implications related to the theory of technology convergence according to the characteristics of new products that can lead to a combined hedonic, social, and utilitarian values perception. In terms of practical implications, the findings enhance comprehension for enterprises regarding which features/attributes, according to significance, are most closely related to the various scenarios that consumer are exposed to.
    Keywords: hedonic value; utilitarian value; technology preference; bundle products.

  • A multicriteria approach to the prioritization of stock investment funds   Order a copy of this article
    by Frederico Silva Valentim Sallum, Luiz Flavio Autran Monteiro Gomes, Maria Augusta Soares Machado 
    Abstract: In this paper the performance of 9 stock investment funds present in the Brazilian market is analyzed for the period from May 2015 to April 2017. The key objective is to establish 4 ways to rank the funds under analysis taking into account future financial contributions and investors with different points of view. Initially the TOPSIS method is applied considering the months as criteria and this leads to producing a degree of power for each fund. By using returns of the funds the accumulated rate and volatility are determined for each fund in 2 periods. As a next step the degree of influence between funds is computed and the WINGS method is applied. WINGS leads to 4 prioritizations of the funds in order to fit to the different points of views of financial experts.
    Keywords: Prioritization of stock investment funds; Performance of stock investment funds; Multicriteria analysis; TOPSIS method; WINGS method.

  • The Impact of Governmental policy on the Relationship between IT systems inputs and Business Performance: A Comparison of Large Corporations and SMEs in Taiwan   Order a copy of this article
    by Hsin-Pin Fu, Hsiaoping Yeh, Wen-Chin Yeh, Tzu-Ling Chien 
    Abstract: To rapidly adapt to global competition, manufacturers business models have shifted from a company focus to a focus on the whole supply chain. The Industry Global E-Logistics Diffusion Plan has provided funds for manufacturers to establish their IT-based logistics systems. However, the performance of such establishments has not yet been evaluated, particularly under the influences of government policy. This study investigated the impacts of successful IT-based logistics systems and partnership in the supply chain on business performance moderated by government policy and organizational effects. The findings show that, for both large corporations and small-and-medium companies, their IT inputs and partnership would positive affect business performance. Government policy shows its moderating effect on IT inputs boosting up business performance. Yet, particularly for large corporations, organizational factors can also moderate the causal relationship between IT inputs and business performance.
    Keywords: IT input; partnership; organization; government policy; business performance.

  • Environmental Uncertainty and Corporate Social Responsibility   Order a copy of this article
    by Brian Chabowski, Sharon Huang, Li Sun 
    Abstract: This study examines the impact of environmental uncertainty on corporate social responsibility (CSR). Using a 23-year panel sample with 3,053 unique U.S. firms and 23,742 firm-year observations, we test the ethics view and risk management view of corporate social responsibility. We find a significant and negative relationship between environmental uncertainty and corporate social responsibility, suggesting that firms are less likely to engage in corporate social responsibility activities when faced with an uncertain environment. Our results support the ethics view of corporate social responsibility. These insights should interest policymakers who implement guidelines on CSR and firms that are considering adjusting their CSR levels. Our results should also provide practitioners with useful insights regarding which specific determinants are associated with a companys level of CSR activities, and interest firms that attempt to incorporate CSR in their business systems.
    Keywords: environmental uncertainty; corporate social responsibility ; business systems.

  • Decreasing operational costs of nonprofit community-based blood centers   Order a copy of this article
    by Sima Fortsch, Qunfeng Liao 
    Abstract: Blood is a necessary resource for hospitals; however, acquiring blood poses several challenges for blood centers and hospital blood banks. First, blood is a perishable and natural resource that cannot be manufactured at the time of need. Second, supply and demand of blood are uncertain due to seasonality, natural disasters, and availability of donors. Third, blood centers and hospital blood are challenged in acquiring blood economically, as the price of one package of blood has reached the price of an iPad. Prior research shows the popular Economic Order Quantity (EOQ) model is not applicable to blood orders due to the ample shortages that result from the model. In order to provide fresh inventory and to reduce operational costs, this study employs an econometric methodology known as AIAO (ARMA-in-ARMA-out, where ARMA stands for Autoregressive Integrated Moving Average) combined with lean managerial accounting practices to place orders. Results show that applying the above system of ordering could supply fresh blood inventory and decrease operational costs for blood centers.
    Keywords: perishable; wastage; shortage; gross income; inventory turnover; ordering; systems.

  • SCORE Framework: A Layered Approach for Enterprise Architecture   Order a copy of this article
    by Priyanka Chakraborty, Anirban Sarkar 
    Abstract: Continuous and rapid changing business environment is a driving force for agile enterprise system because several new services and solutions are emerging from the multiple exchanges over time. A suitable Enterprise Architecture Framework (EAF) must be established for established for effective delivery of enterprise level technologies by adopting service-oriented architecture (SOA). However, existing non-SOA based EAFs are lacking of adopting such agility. On the other hand, existing SOA-based EAFs though can resolve the issues of flexibility and scalability, but they are less efficient to handle context sensitivity and agility of Enterprise System. To address these challenges, this paper proposes a novel SOA-based EAF, called SCORE framework that is comprised of five loosely coupled layers. Besides formal description, the proposed SCORE framework is illustrated with detailed case study on Care Management System. Moreover, a detailed comparative analysis is performed to express the strength of the proposed framework over the existing approaches.
    Keywords: Enterprise Architecture Framework; Context Modelling; Service Oriented Architecture; Feature Graph; Interaction and Flow Graph; Collaboration Graph; Re-configurability; Systems; Technology.

  • SYSTEM DYNAMICS MODEL FOR SERVICE QUALITY IMPROVEMENT: A CASE STUDY OF SURAKARTA TOURISM, INDONESIA   Order a copy of this article
    by Santi Novani, Lidia Mayangsari, Nurtami Prihadi, Yudi Azis 
    Abstract: Value co-creation concept implies that customers can actively participate in every stage of the service development process. Service providers are encouraged to build a unique and memorable experience to remain competitive. The concept is applicable in tourism settings. This study adopts system dynamics approach to study the conditions of tourism in Surakarta city, Indonesia. This study incorporates SERVQUAL dimensions of tangibility, reliability, responsiveness assurance, and empathy to construct a co-created tourism policy in the city. There are five interventions proposed in the study: infrastructure, platform, human resource, events, and promotions. The study reveals that to increase the number of tourists, Surakarta city is urged to invest bigger in the transportation sector and perform interactive online platform to accommodate a co-creation among stakeholders in the tourism sector. This study proposes alternatives to help the decision maker to understand the complexity of tourism sector in Surakarta both in theory and practice.
    Keywords: Surakarta; Customer Value Co-Creation; System Dynamics; Service Quality.

  • Solving Logistics Problems through an Infinite Servers Queue Systems Approach   Order a copy of this article
    by José António Filipe, Manuel Alberto M. Ferreira 
    Abstract: It is exemplified in this article a proceeding based on the busy period concept of infinite servers queues to deal with equipments failures. Evidently, the occurrence of failures in the equipment is a situation that demands managerial procedures in order to repair the failures as quick as possible and also to minimize the losses in the equipment operation. The model presented here - by means of infinite servers queuing systems - allows to generate system performance measures. It also contributes to solve organizational structures problems, by minimizing the risks of the inoperative structures of organizations, which have considerable logistics pernicious consequences for companies and often for regions where they are implanted.
    Keywords: Queue; Busy period; Business logistics; Equipment; Failures; Management; Efficiency.

  • Identification and analysis of factors influencing food advertisements on buying behaviour of children in emerging consumption markets: the case study of Afghanistan   Order a copy of this article
    by Jimbo Henri Claver 
    Abstract: This study assessed the impact of food advertising on purchasing and consumption behaviour of children in emerging consumption markets. A case study of consumption market in Kabul, Afghanistan was conducted on various dimensions by measuring the impact of several factors. The study relied on primary data collected by administering 385 survey questionnaires to children aged between 5 and 15 years old. Data were analysed with STATA 2013 using regression analysis, correlation analysis and descriptive statistics methods. The data and statistical methods and models were tested for validity and reliability; these tests includes Cronbachs alpha, Jarque-Bera, Bruesch-Pagan/Cook-Wisberg, Winsorization, Skewness and Kurtosis, Akaike Information Criteria (AIC), and Variance Inflation Factor (VIF). The study found that television advertising had the most influence on purchasing and consumption behaviour of children directly or indirectly through their parents. The study also found that the nature and magnitude of advertising outcome on childrens purchasing and consumption behaviour varies based on factors such as age and gender of children. The study provided first-hand information for food industry owners, parents, advertisers, and governmental policy makers.
    Keywords: : Children’s buying behaviour; food advertisement; TV advertising; parents’ influence; quantitative analysis; reliability; multiple regression; business statistics; AIC criterion.

  • A Queuing-based Mathematical Model for the Congested Network Design Problem under Demand Uncertainty   Order a copy of this article
    by Amir Abbas Shojaie, Mohamad Amin Kaviani 
    Abstract: In this study, we propose a queuing-based mathematical model for analyzing the congestion phenomenon in a transportation network. For this purpose, we present a mathematical model for network design with the objective of the cost minimization and optimal demand satisfaction under demand uncertainty situation. The queuing theory usage helps to better model the congestion item caused by customers referrals to the facilities of the transportation network. Moreover, a numerical example is solved to demonstrate the validity of the proposed model. To the best of the authors knowledge, this is the first study which looks at the congested transportation network problem considering demand uncertainty from a queuing theory perspective.
    Keywords: Queuing theory; Congested networks; Transportation; Mathematical modeling; Demand uncertainty; Systems; Optimization.

  • Importance-performance analysis of service quality dimensions for the Bangladeshi hotel industry   Order a copy of this article
    by Mahbubar Rahman, Rafikul Islam 
    Abstract: In global competitive markets, hoteliers are looking to satisfy guests for repeat customers. Achieving satisfied guests is not an easy task. This study evaluates the service quality of Bangladeshi hotels using gap analysis, SERVQUAL and importance-performance analysis (IPA). The results showed that hotel guests' satisfaction regarding service attributes are lower than the importance assigned to the measurement attributes. The widest gap was found in staff response and additional amenities, especially the commitment of hotel staff towards their guests. Also, the IPA grid showed that eight services attributes fell into the 'concentrate here' quadrant. This means that hotel management should take immediate action on these attributes for the betterment of the industry.
    Keywords: service quality; gap analysis; SERVQUAL; IPA grid; hotel industry; importance-performance analysis; IPA; Bangladesh.
    DOI: 10.1504/IJBSR.2018.10013722
     
  • The value of inventory and the direction of the supply chain bullwhip effect   Order a copy of this article
    by Sima M. Fortsch, Elena A. Khapalova 
    Abstract: The bullwhip effect (BWE) is the amplification of demand variability in a supply chain and can be quite costly for industry and society. In this empirical investigation of the BWE a three-stage supply chain is examined using monthly industry-level data. Time series regression equations are used to detect the BWE and its direction. Empirical evidence is found suggesting the BWE of a supply chain member is influenced by the BWE of the other members, as well as the values of inventory and inventory to sales ratios of own member and other members of supply chain. In addition, there is evidence that the direction of the BWE is not influenced by the members' horizontal positions in the network. It is shown that the wholesale BWE exhibits heteroscedastic and non-stationary behaviour; thus, making it difficult to predict over a long-horizon time period, unlike the BEW of the manufacturing and retail industries.
    Keywords: inventory; bullwhip effect; reverse bullwhip effect; econometrics; regression; time series; inventory to sales ratio; direction of the bullwhip effect; empirical study.
    DOI: 10.1504/IJBSR.2018.10013724
     
  • Integrated model of teamwork for team effectiveness analysis: an empirical study   Order a copy of this article
    by Brian J. Galli, Mohamad Amin Kaviani 
    Abstract: This paper utilises an empirically validated team model to evaluate a real organisation's team effectiveness and efficiency issues. It provides recommendations to improve these deficiencies. The integrated model of teamwork (IMT) is used to evaluate performance effectiveness of a Navy Missile Requirements Engineering (NMRE) team in the USA. While the team performs at a satisfactory level, they face obstacles involving structure, member knowledge, skills, and abilities (KSAs); communication; conflict resolution; coordination and collaboration; member motivation; member training; team cohesion and potency; and team learning. Finally, the IMT model led to recommendation development. An implementation plan was developed for the organisational level. The NMRE team should utilise it to resolve key problems identified in the team.
    Keywords: team effectiveness; integrated model of teamwork; IMT; team dynamics; leadership; military application.
    DOI: 10.1504/IJBSR.2018.10013727
     
  • Developing models of DOE and simulation to maximise output of tomato concentrated pulp processing unit   Order a copy of this article
    by C.S. Chethan Kumar, N.V.R. Naidu, Rajeshwar S. Kadadevaramutt 
    Abstract: In developing country like India, agriculture is the main stay of the economy. Agricultural industries and related activities can account for a considerable proportion of their output. The main objective of fruit and vegetable processing is to supply wholesome, safe, nutritious and acceptable food to consumers throughout the year. Processing requires frequent handling, high temperature and pressure. Many of the ordinary varieties of tomatoes, for instance, are not suitable for making paste or other processed products. Simulation was carried out for the updated model for a period of ten days with five replications. From the results obtained from the design of experiments, noises in the factors (steam losses, minor stoppages) were reduced by implementing the mentioned techniques. The runs are randomised using MINITAB software. A cost matrix was made to create a trade-off between all factors that were affecting the performance. This resulted in the increase of throughput rate in the real scenario. This research project demonstrates the practical application of design of experiments showing how it can bring real breakthroughs in productivity of fruit (tomato) processing industry.
    Keywords: process industry; simulation model; runs; steam losses; design of experiments; DOE; minor stoppages.
    DOI: 10.1504/IJBSR.2018.10013725
     
  • What are e-commerce possible challenges in developing countries: a case study of Nigeria   Order a copy of this article
    by Habib Ullah Khan, Stellamaris Uwemi 
    Abstract: The overarching goal to achieve the vision of Nigeria (NV2020) cannot be realised without the synchronised effort of all the sectors. To help the country and policy makers to identify the hurdles in attaining these lofty goals, the present work tried to bring the views of customers and operators of e-commerce into limelight. The study is primary data based and the data is collected using a questionnaire that is drafted separately for both the parties, operators and customers of Nigeria. Because of the limitations, the study could collect the data from ten operators and 200 customers and advanced statistical techniques are exercised. The data collected from the customers revealed that though they are interested in e-commerce operations (like online trading), majority are unable to complete the tasks successfully. This is because of the bottlenecks being encountered with respect to various sectors. In addition, the correlation analysis proved that the challenges of e-commerce have majority bearing on the economy of the country. On the whole, the study not only provided inputs to the policy makers, but also explained the operators of e-commerce about the capabilities, requirements and problems of the customers in performing successful e-commerce transactions.
    Keywords: NV2020; e-commerce challenges; operators; economic development; Nigeria.
    DOI: 10.1504/IJBSR.2018.10013734
     

Special Issue on: AMMMT-2016 Recent Advances in Industrial Engineering and Management

  • Knowledge Management Key Factors: An Empirical Research on Small and Medium-sized Enterprises (SMEs) in Indonesia   Order a copy of this article
    by Didi Sundiman 
    Abstract: The purpose of this paper is to explore the key factor that affects knowledge management (KM) process on Small Medium-sized Enterprise (SME) formed in developing countries SMEs that have very diverse cultures backgrounds. This paper undertakes a principle component analysis with oblimin rotation conducted to identify the key factors within the scales used. Five components were extracted in combination explained 72.27% of variance. Therefore, component 1 named Knowledge-preneur Leadership; component 2 - Techno-preneur Harmony; component 3 - Organizational K-Partnership; component 4 - Knowledge-preneur Employee; and component 5 - Socialization Palisade. This study also shows the importance of education level.
    Keywords: Knowledge management; SME; Small Business; Indonesia; KM key factors.

  • TPM Implementation Requirements and Developing a TPM Implementation Methodology for an Educational Institution: A Case Study.   Order a copy of this article
    by Ravishankar Korgal, Anil Badiger, Reinhard Barutzki 
    Abstract: The TPM Implementation for a technical educational institute is a concept which focuses on the upkeep of technical equipment and the continuous improvement of the teaching and learning environment. The aim is to ensure the conduct of effective and efficient training in workshops and laboratories. The philosophy of TPM Implementation focuses on the training process, technical equipment, workplace environment and people. Therefore, the institute management must focus on obtaining, maintaining and managing the resources and organizational culture. Quality of training can only be achieved once all the resources are available and in balance. By focusing training on the maintenance and promoting an environment that supports teamwork, project work, open communication and problem-solving, institutional managers and staff, establish a work culture that is necessary for the implementation of the MMS philosophy. The paper focuses on the understanding institution scenario and the TPM implementation requirements in the institute and identifying the areas and developing the methodology for the implementation.
    Keywords: Curriculum Development; Engineering Education; Skill; TPM.

  • A Fuzzy Optimization Approach for Software Reliability Estimation   Order a copy of this article
    by Boby John, Rajeshwar Kadadevaramath, Immanuel Edinbarough 
    Abstract: Many organizations today utilize information technology to gain competitive advantage. As a result, Information Technology industry has witnessed extraordinary growth. Many times the software companies compromise on software testing to avoid cost or schedule overrun. This might make the software unreliable. Hence it is imperative for the software firms to estimate the reliability of the software and ensure that their products are reliable. A wide range of models is available for reliability prediction. But there isn\'t a single model suitable for all software products. Hence it is necessary to identify the best-suited software reliability model for every software product. Unfortunately, the best fit model identification depends on the performance characteristics used for selecting the model. In this paper, the authors suggest a fuzzy optimization methodology to choose the best software reliability model based on multiple performance characteristics. Two case studies demonstrating the proposed methodology are also presented in the paper.
    Keywords: non-homogeneous Poisson process; software reliability growth models; fuzzy optimization methodology; multiple response optimization.

Special Issue on: Digital Innovation Information Systems in Business and Societal Challenges

  • Career choice in teaching among engineering graduates: A study of the Altruistic, Extrinsic and Intrinsic factors   Order a copy of this article
    by Sweta Bhattacharya, V. Raju 
    Abstract: The Indian higher education system is the third largest in the world producing immensely talented manpower, winning accolades all across the world. But the system faces faculty crunch majorly in the engineering education sector failing to attract this huge talent pool towards teaching professions. The study analyses the effect of Altruistic, Extrinsic and Intrinsic factors pertaining to the choice of teaching career using survey research based statistical analysis and Analytical Hierarchy Process. The results of AHP reveal Intrinsic factor as the highest ranked factor affecting teaching career decisions which is supported by the consistency ratio value (0.033<=0.10). The effect of age, gender and program of study is also studied which reveal that age and program of study has significant effect on the intrinsic factor. The paper finally recommends policy amendments relating to the intrinsic factor so that more students could be attracted towards teaching profession.
    Keywords: Higher education systems; Decision making; MCDM; Career Choice; Teaching Career; Education Policies; AHP.