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We are currently witnessing an explosion of advances in database technology, that cover all phases of database application design: non-functional requirements, conceptual modeling, logical modeling, deployment, physical design and exploitation. Researchers and engineers cooperate to integrate these advances in the database design. Their proposed solutions have to be confronted with similar studies...
The spreadsheet is one of the most popular information systems ever: It is exceedingly widely adopted, it has attracted significant amounts of investment and innovation by companies, and it has become a platform for new research. To uncover reasons for the spreadsheet's success, this paper applies a research method, the case study, to analyze the historical development and adoption of this important...
The restructuring of power systems with the introduction of electricity markets and decentralized structures increased the number of participating entities. This is particularly true in generation and retailing which are now provided under competition. Accordingly, it is important to develop models to simulate the behavior of these agents and to optimize their participation in electricity markets...
This Event log file is the most common data-sets exploited by many companies for customer behavior analysis. Oftentimes these records are unordered, and need to be grouped by certain key for effective analysis. One such example is to group similar user with different session ID to facilitate further analysis. This kind of analysis is known as User Sessionization. In this paper, we propose a distributed...
Cloud Computing (CC) is a technology that surely brings innovations in today's business world, more and more companies around the world are widely incorporating this technology into their businesses. From a technical, as well as organizational point of view transferring enterprise IT to the Cloud is a complex task. Different factors have to be taken into consideration in order to make a right choice...
Stock Markets represent a complex, nonlinear, ever-changing, trading systems where traders (investors) are competing for profit. Stock market forecasting have attracted some special attention in the last years. However, the irregular nature and the complex behavior of stock data transform forecasting into a very hard task, and forecasting stock index has proven to be difficult. Recently, Bio-Inspired...
Academics and industry experts are now advocating for going from large-centralized Cloud Computing (CC) infrastructures to smaller ones massively distributed at the edge of the network. Referred to as "fog/edge/local computing", such a dawning paradigm is attracting growing interest as it improves the whole services agility in addition to bringing computing resources closer to end-users...
Cloud computing systems are widely used in the business, industry and automation for leveraging the effectiveness of the organizational operations. Cloud computing is a computer technology that enable convenient, on demand and pay-per-use access to a pool of shared resources. The benefits of cloud computing promise that automation systems can be managed effectively by utilizing cloud infrastructure...
The development of new technologies has changed the way computers are used in organizations, the type of applications used, and the way employees perform their tasks. Organizations need to pay attention to these technologies and keep up to date with the latest ones available because they can bring numerous benefits to the workings of the organization. A technology such as ‘cloud computing’ has replaced...
For enhancing the test quality, it is required to something how to improve Test Maturity Model (TMM). However, the existing TMM has some inappropriate parts to apply TMM in domestic small and medium businesses. This model does not identify deficient documents for achieving test maturity goal of a company. To solve these problems, we suggest a Simplified Test Maturity Model (STTM) to customize a scale-down...
In recent years online social network is used as a marketing platform for advertisement industry for advertising their products or services to the huge volume of people in short period of time. In that Information Diffusion is a type of process in social network for predicting the future interest of people for some specific product or services. For example, a people are interested to buy any new product...
In recent years, knowledge is considered to be a valued and important asset within an organization. However, knowledge sharing in many organizations is deemed a challenge and an obstacle to overcome. This research was prepared to explore the predecessors that influence knowledge sharing and knowledge utilization behavior. The underlying research model was developed using Social Cognitive Theory alongside...
Cloud Adoption is associated with a number of risks. Modeling risk management in cloud adoption becomes imperative. Cloud adoption risk analysis model (CARA) is designed to guide companies through the process of cloud adoption. It calculates the potential losses on the basis of various risk scenarios. It also guides through cloud service provider selection.
The use of information technology becomes important tool to achieve business goals of an organization. One of the technologies that can be used for that purpose is cloud computing, which enable some cloud service could be comfortably accessed anywhere. Additional benefit offered by cloud technology is by providing an access to the shared network in some computing resource that has been configured...
This article aims to identify the determinant contingency factors in the decision to transform to cloud computing. An exploratory study of 225 cases of companies of different sizes and shapes, spread over all continents, was conducted, taking into account the factors of culture, size and structure. The factors of industry, strategy and technology were also considered, as well as managerial cognition...
Customer Relationship Management is about managing the core asset of a company -- its relationship with customers. Confiding such an important asset to an external service provider requires special attention. Therefore, we investigated which factors influence the willingness of companies, especially in Europe to use CRM in a public cloud environment. Our model of the "Use of CRM" in a public...
The agent-based framework for renewable energy studies (ARES) is an integrated approach that adds an agent-based model of industry actors to PLEXOS and combines the strengths of the two to overcome their individual shortcomings. It can examine existing and novel wholesale electricity markets under high penetrations of renewables. ARES is demonstrated by studying how increasing levels of wind will...
The rising of cloud computing has dramatically changed the way software companies provide and distribute their IT product and related services over the last decades. Today, most software is bought off-the-shelf and distributed over the Internet. This transition is greatly influencing how software companies operate. In this paper, we present a case study of an ERP vendor for SMB (small and medium-size...
This work simulated some alternatives of dynamic allocation of additional human resources in a company that produces various products from Pupunha palm. Its goal was to increase the average amount of trays produced per day in this line through a hybrid application of discrete event and agent-based simulation. Two different decision-making forms were proposed to find out which workstation should have...
Variable annuities are long-term investment vehicles that have grown rapidly in popularity recently. One major feature of variable annuities is that they contain guarantees. The guarantees embedded in variable annuities are complex and the values of the guarantees cannot be obtained from closed-form formulas. Insurance companies rely heavily on Monte Carlo simulation to calculate the fair market values...
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