Naoum Jamous

Otto-von-Guericke-Universität Magdeburg | OvGU · Department of Technical & Operational Information Systems (ITI)

For almost a decade now, big data has become the foundation of today's data-intensive systems used for various disciplines, such as data science or artificial intelligence. Although a certain level of maturity has been reached since then, not only in the domain itself but also in the engineering of interconnected systems, many problems still exist...

Big data has emerged to be one of the driving factors of today’s society. However, the quality assurance of the corresponding applications is still far from being mature. Therefore, further work in this field is needed. This includes the improvement of existing approaches and strategies as well as the exploration of new ones. One rather recent prop...

Digitalization move has motivated companies to adopt software for their business processes. This led to increase projects' complexity. Project management process plays a significant role in reaching a successful completion of IT-projects. It has been seen that management methodologies like waterfall and scrum are still not sufficient for every proj...

Microservices and Big Data are renowned hot topics in computer science that have gained a lot of hype. While the use of microservices is an approach that is used in modern software development to increase flexibility, Big Data allows organizations to turn today’s information deluge into valuable insights. Many of those Big Data architectures have r...

In the recent years, the term big data has attracted a lot of attention. It refers to the processing of data that is characterized mainly by 4Vs, namely volume, velocity, variety and veracity. The need for collecting and analysing big data has increased manifolds these days as organizations want to derive meaningful information out of any data that...

Big data analytics and the according applications have gained huge importance in daily life. This results on the one hand from their versatility and on the other hand from their capability to greatly improve an organization’s performance when utilized appropriately. However, despite their prevalence and the corresponding attention through practitio...

Due to the growing amount of data that are produced, the concept of big data analytics gained plenty of interest among researchers and practitioners. However, there are many challenges related to its use. One of those is the data storing and subsequently the corresponding extraction of required data. Since this process is prone to error, it require...

Big Data is a term that gained popularity due to its potential benefits in various fields, and is progressively being used. However, there are still many gaps and challenges to overcome, especially when it comes to the selection and handling of relevant technologies. A consequence of the huge number of manifestations in this area, growing each year...

With the current rapid changes in technologies and business demands, the IT service providers have to configure and adapt their IT system landscapes to cope with the dynamic changes. However, the effects of the adopted changes to the Quality of Service (QoS) must be considered in order to sustain the Service Level Agreements (SLA). QoS is strongly...

This paper discusses the various aspects of the instrumental quality monitoring of city outdoor lighting using IoT technologies on the example of the central area of Perm city, such as selection of the monitored parameter and its measurement methods, methods of processing measured data, the applicability of the results of measurements for various a...

The amount of data to be produced and analyzed is increasing year by year. As a result, the concept of big data gained interest among researchers and practitioners. However, a plethora of challenges and potentials require the attention from researchers and practitioners to enhance the future development. Apart from the pure processing of the data a...

The importance of the Quality of Service (QoS) is widely acknowledged due to the increasing shifting towards client-oriented IT services. The QoS attributes of any IT system are strongly characterized by its Non-Functional Requirements (NFRs). It has been well-recognized that the NFRs are invariably more problematic and more expensive to meet in th...

Digitization raised new opportunities and challenges for organizations. Due to greater use of IT in business, extra expenses accrue to improve the IT infrastructure in these organizations. In order to deal with the new challenges and get the benefit of the new opportunities, IT Operation Management (ITOM) is a potential concept which can be used by...

The rapid growth of Information Technology (IT) usage in enterprises has led to complex, heterogeneous, and dynamic IT system landscapes. Thus, a realization of efficient and effective application system landscapes is required, which in turn demands for a synchronization of activities and collaboration among all involved stakeholders. In this resea...

This study takes a micro standpoint to quantitatively verify the extent to which local interactions affect the expansion of dynamic social networks. By reviewing and synthesizing the theoretical literature in this article, we seek to establish a pragmatic analytical framework to capture the underlying functioning of local interactions. It then aims...

Big data and data analytics related projects are attracting researchers, practitioners, and policymakers around the globe. In order to increase the probability of a project success and to get competitive advantages, stakeholders need to have solid understanding of the main objectives, risks, requirements, and the used technologies. This is a challe...

The number of online purchases is increasing constantly. Companies have recognized the related opportunities and they are using online channels progressively. In order to acquire potential customers, companies often try to gain a better understanding through the use of web analytics. One of the most useful sources are web log files. Basically, thes...

Information Technology (IT) usage in enterprises has evolved over the last years. This led to today's complex, heterogeneous, and dynamic IT system landscapes that support business processes in enterprises. To manage these landscapes, the IT Service Management (ITSM) concept is gaining more importance in today's business and research. Studies demon...

Achieving efficiency gains on all levels of enterprise architecture by such means as standardization has been and is a goal of researchers and practitioners working on the provisioning of IT services. At the process level, provisioning IT services is defined in common practice frameworks like the IT Infrastructure Library (ITIL). ITIL describes a t...

Social media creates a novel marketing mechanism to boost opinion formation and information diffusion. As a crucial idea, social influence sheds light on individuals' features in the process of communicating brand stories, and changes other consumers' opinions and behavior. Social media marketing has drawn great interests from scholars in a past de...

This paper seeks to formulate significant measures to evaluate the effects of social media marketing from a network structure perspective. We define and extract the definite concept of social influence by reviewing the extant literature in Economics, Marketing and Sociology so as to identity an underlying set of measures including the time interval...

Collaborative Network Platform Solution for Monitoring, Optimizing, and Reporting of Environmental and Energy Performance of Data Center—Service Oriented Solution—(MORE) is about the design and development of a software solution as a collaborative network platform that supports organizations by monitoring, optimizing, and reporting of environmental...

Environmental performance indicators (EPIs) help to measure an organization’s impact on the environment, including ecosystems, land, air and water. They clearly illustrate how the organization is performing, and provide management with the necessary information to make decisions for future improvements. This section provides a seamless and easy-to-...

Representing environmental performance indicators (EPIs) is often based on the incorporation of external data from third parties, e.g. databases or applications. A challenge on its own is the heterogeneity of the used formats and the missing of agreed upon definitions. We propose a semantic approach for addressing these issues. This approach relies...

In light of rapid environmental changes, the relevance of current environmental policies is being scrutinized. The paper begins by shedding light on the usefulness of environmental management information systems (EMIS) which are being followed to assess whether relevant regulations have been adequately applied to successfully curtail and mitigate t...

In Anbetracht der rasanten Veränderungen der Umwelt wird die Relevanz der aktuellen Umweltpolitik auf den Prüfstand gestellt. Umweltveränderungen werden sichtbar, und ihre Auswirkungen haben das Potenzial, in den nächsten Jahrzehnten irreversibel zu werden. Eine klare und umfassende Kommunikation eines Unternehmens zur Nachhaltigkeit seiner Unterne...

The acceleration of change in the environment, the consequent legislation, and the thereby improved social awareness have challenged companies to enhance their business strategies with respect to improvements in sustainability. A clear and comprehensive communication of a company's sustainability efforts has become an increasingly important factor...

Rapid environmental change requires a widely changing attitude starting from individuals over corporations to governments. A closer and more critical review of current environmental policies is needed. Corporate environmental management information systems (CEMIS) can play a major role to change attitudes by providing information that enables users...

The federated enterprise resource planning systems (FERP systems) based on Web Services (WS) is a new business idea, which should be implemented in an appropriate business model. This idea came to meet the growing needs of small-and medium-sized enterprises (SMEs) with regard to the relatively expensive business software solutions through the distr...

FERP Mall is a proposed intermediary business model for marketing of distributed ERP component-based Web services. This FERP Mall aims to cover the needs of small and medium enterprises (SMEs) to FERP functionality because the conventional ERP systems are expensive and only large companies can afford these systems. Beside the intermediation of FERP...

The federated enterprise resource planning systems (FERP systems) based on Web Services (WS) is a new business idea, which should be implemented in an appropriate business model. This idea came to meet the growing needs of small- and medium-sized enterprises (SMEs) with regard to the expensive available software solutions. Due to the lack of pre-de...

The exchanging of the enterprise resource planning (ERP) system's components which are distributed on the basis of web service is in fact a new business idea. This idea comes to supply the needs of the small and middle size Enterprise (SME) from the business software and especially the ERP system through the ERP system distributed on the basis of t...

In the last few years business in Internet become more and more significance. On other hand new development of Internet technology is rapid and changed every day. Thus business models have to be continually adapted to meet the requirements of newest Internet business technologies. Thereby many aspects have to be considered: (1)Technical and economi...

In light of increasing competition in higher education, more attention needs to be directed to examine the relevance of existing 'business models'. Among the changing nature of the business, the question of whether educational institutions are following an approach that is more "customer-oriented" need to be addressed. We shed some light on how eff...