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Article
Open AccessGame-theoretic analysis of competition between access service providers utilizing a Nash genetic algorithm
Fiber-to-the-home (FTTH) technology is a promising solution for providing advanced service delivery to end-users, but its implementation requires substantial capital expenditures. To minimize investment risks ...
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Article
Open AccessCloud services cost comparison: a clustering analysis framework
As cloud computing has grown in popularity, several different models and deployment strategies have emerged, fulfilling specific needs of different users. Thus cloud service selection is a major task that comb...
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Chapter and Conference Paper
Forecasting Consumer Service Prices During the Coronavirus Pandemic Using Neural Networks: The Case of Transportation, Accommodation and Food Service Sections Across E.U
This study examines how the coronavirus pandemic may affect the price of consumer services in the Transportation, Accommodation and Food Service sections in the European Union over the next period utilizing Ma...
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Chapter and Conference Paper
A Brokering Model for the Cloud Market
The cloud broker is an IT role and a business model that acts as an intermediary agent between cloud providers and end users. The exponentially increasing adoption of the IaaS market has contributed significan...
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Article
CMMN evaluation: the modelers’ perceptions of the main notation elements
Case Management Model and Notation (CMMN) has been introduced as a graphical modeling language targeting the modeling of human-centric processes. Despite its growing reputation since 2016, when the OMG standan...
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Article
Safety requirements for symbiotic human–robot collaboration systems in smart factories: a pairwise comparison approach to explore requirements dependencies
Industry 4.0 is expected to deliver significant productivity gain taking advantage of Internet of things (IoT). Smart solutions, enhanced by IoT, are constantly driving revolutionary approaches in multiple dom...
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Article
Empirical evaluation of CMMN models: a collaborative process case study
Case Management Model and Notation (CMMN) was introduced by the Object Management Group as an alternative modeling language, targeting human-centric processes characterized by lack of structure and agility. Ho...
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Chapter and Conference Paper
Leveraging Quality of Service and Cost in Cyber-Physical Systems Design
Cyber-Physical Systems (CPSs) comprise multiple cyberparts, physical processes, and human participants (end-users) that affect them, and vice versa. During the design of such systems, it is critical for the de...
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Article
Open AccessMachine learning methodologies versus cardiovascular risk scores, in predicting disease risk
The use of Cardiovascular Disease (CVD) risk estimation scores in primary prevention has long been established. However, their performance still remains a matter of concern. The aim of this study was to explor...
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Chapter
MedWeight Smart Community: A Social Approach
Smart Communities understand the potential of Internet technology, and make a conscious decision to adopt this technology to transform life and work in significant and positive ways. Smart communities could be...
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Chapter and Conference Paper
Building a Social Platform Using FLOSS to Support Collaborative Communities: The ReWeee Case Study
In this paper we present the development of a collaborative community using exclusively open source software. After the definition of the functional requirements of the project, we focus on finding specific so...
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Chapter and Conference Paper
Modeling Collaborative Processes with CMMN: Success or Failure? An Experience Report
Case Management Modeling and Notation (CMMN) standard was introduced as a alternative language of Business Process Management Notation (BPMN) targeting the modeling of human-centric processes characterized by ...
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Chapter and Conference Paper
Using CMMN to Model Social Processes
Adaptive Case Management is an alternative approach to support human-intensive processes. It may be served by Case Management Modeling Notation (CMMN) language for modeling purposes. In this paper, ACM concept...
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Chapter and Conference Paper
Possibilities of Use of Free and Open Source Software in the Greek Local Authorities
Use of Free and Open Source software has started to get an increased level of functionality and trust, following the existence of a variety of solutions and supporting communities across the Web. In this pape...
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Chapter and Conference Paper
Pricing IaaS: A Hedonic Price Index Approach
Infrastructure as a Service (IaaS) is a rapidly expanding model of cloud computing. It includes control of computing resources, such as memory, computing power and storage capacity, satisfying the most fundame...
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Chapter and Conference Paper
The Rise of Cloud Brokerage: Business Model, Profit Making and Cost Savings
Cloud computing has succeeded in transforming the ICT industry, making computing services more accessible to businesses. Nowadays, many cost effective solutions are available to users. However, searching for t...
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Article
Pricing cloud IaaS services based on a hedonic price index
Cloud computing, as an innovative business model, has experienced rapid diffusion across the international business world, offering many benefits to both the demand and the supply side of the ICT market. In pa...
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Chapter and Conference Paper
Enabling Workflow Composition Within a Social Network Environment
Social networks have emerged as a new paradigm for everyday communication, as well as for promoting collaboration within enterprises and organizations. Using current technology, social network participants not...
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Chapter and Conference Paper
Extending the Social Network Interaction Model to Facilitate Collaboration through Service Provision
Social network technology has been established as a prominent way of communication between members of an organization or enterprise. This paper presents an approach extending the typical social network interac...
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Chapter and Conference Paper
Classification and Qualitative Analysis of Non-Functional Requirements Approaches
A considerable number of methods and tools have been proposed for the treatment of non-functional requirements (NFRs). There is ample evidence that NFRs play a significant role in the Information Systems Engin...
