All Outputs (47)

ProMe: A Mentoring Platform for Older Adults Using Machine Learning Techniques for Supporting the “Live and Learn” Concept (2018)
Journal Article
Kostopoulos, G., Neureiter, K., Papatoiu, D., Tscheligi, M., & Chrysoulas, C. (2018). ProMe: A Mentoring Platform for Older Adults Using Machine Learning Techniques for Supporting the “Live and Learn” Concept. Mobile Information Systems, 2018, 1-8. https://doi.org/10.1155/2018/9723268

It is well known what an important role employment plays in our lives and how it influences our everyday life. With the help of employment, all of us as individuals manage to create our personal and social net that not only gives meaning and financia... Read More about ProMe: A Mentoring Platform for Older Adults Using Machine Learning Techniques for Supporting the “Live and Learn” Concept.

Teaching Industrial Automation Concepts with the use of Virtual/Augmented Reality - The IEC 61499 Case (2018)
Presentation / Conference Contribution
Chrysoulas, C., Homay, A., & Lemac, M. (2018). Teaching Industrial Automation Concepts with the use of Virtual/Augmented Reality - The IEC 61499 Case. . https://doi.org/10.1109/ithet.2018.8424784

We propose a framework for teaching complex industrial automation concepts with the help of Virtual/Augmented reality. Initially we construct the needed 3D models like conveyors belts, and liquid tanks to be used as testbed examples for the proposed... Read More about Teaching Industrial Automation Concepts with the use of Virtual/Augmented Reality - The IEC 61499 Case.

Traffic Sign Recognition based on Synthesised Training Data (2018)
Journal Article
Stergiou, A., Kalliatakis, G., & Chrysoulas, C. (2018). Traffic Sign Recognition based on Synthesised Training Data. Big Data and Cognitive Computing, 2(3), Article 19. https://doi.org/10.3390/bdcc2030019

To deal with the richness in visual appearance variation found in real-world data, we propose to synthesise training data capturing these differences for traffic sign recognition. The use of synthetic training data, created from road traffic sign tem... Read More about Traffic Sign Recognition based on Synthesised Training Data.

QoS provisioning in a service-oriented architecture targeting the smart grid world (2018)
Journal Article
Chrysoulas, E. (2018). QoS provisioning in a service-oriented architecture targeting the smart grid world. International Journal of Smart Grid and Green Communications, 1(3), 216-226. https://doi.org/10.1504/ijsggc.2018.091350

In today's liberalised market of energy, dynamic selections of services (energy consumption or even energy production) and by extension of service providers are crucial. It is equally important for service providers to spot the one quality of service... Read More about QoS provisioning in a service-oriented architecture targeting the smart grid world.

Building an Adaptive E-Learning System (2017)
Presentation / Conference Contribution
Chrysoulas, C., & Fasli, M. (2017). Building an Adaptive E-Learning System. In Proceedings of the 9th International Conference on Computer Supported Education - Volume 2: CSEDU (375-382). https://doi.org/10.5220/0006326103750382

Research in adaptive learning is mainly focused on improving learners’ learning achievements based mainly on personalization information, such as learning style, cognitive style or learning achievement. In this paper, an innovative adaptive learning... Read More about Building an Adaptive E-Learning System.

Towards an adaptive SOA-based QoS & Demand-Response Provisioning Architecture for the Smart Grid (2017)
Journal Article
Chrysoulas, C., & Fasli, M. (2017). Towards an adaptive SOA-based QoS & Demand-Response Provisioning Architecture for the Smart Grid. Journal of Communications Software and Systems, 13(2), 77. https://doi.org/10.24138/jcomss.v13i2.375

Dynamic selection of services and by extension of service providers are vital in today’s liberalized market of energy. On the other hand it is equally important for Service Providers to spot the one QoS Module that offers the best QoS level in a give... Read More about Towards an adaptive SOA-based QoS & Demand-Response Provisioning Architecture for the Smart Grid.

A service oriented QoS architecture targeting the smart grid world & machine learning aspects (2016)
Presentation / Conference Contribution
Chrysoulas, C., & Fasli, M. (2016). A service oriented QoS architecture targeting the smart grid world & machine learning aspects. . https://doi.org/10.1109/splitech.2016.7555923

Dynamic selection of services and by extension of service providers are vital in today's liberalized market of energy. On the other hand it is equally important for Service Providers to spot the one QoS Module that offers the best QoS level in a give... Read More about A service oriented QoS architecture targeting the smart grid world & machine learning aspects.

Multiply and conquer: A replication framework for building fault tolerant industrial applications (2015)
Presentation / Conference Contribution
de Sousa, M., Chrysoulas, C., & Homay, A. E. (2015). Multiply and conquer: A replication framework for building fault tolerant industrial applications. . https://doi.org/10.1109/indin.2015.7281930

TIEC 61499 defines an execution model for distributed industrial control applications, i.e. a single application distributed among several devices. In such an environment partial failures are likely to occur. In order to avoid probable system malfunc... Read More about Multiply and conquer: A replication framework for building fault tolerant industrial applications.

Tolerating partial failures on IEC 61499 applications (2015)
Journal Article
de Sousa, M., Chrysoulas, C., & Homay, A. (2015). Tolerating partial failures on IEC 61499 applications. ACM SIGBED Review, 12(3), 32-35. https://doi.org/10.1145/2815482.2815488

In a modern industrial environment control programs are distributed among several devices. This raises new challenges, especially in handling the failure modes. Automatic reconfiguration is a possible approach in dealing with partial failures. The au... Read More about Tolerating partial failures on IEC 61499 applications.

Building Fault Tolerant Industrial Applications Based on IEC 61499 (2015)
Presentation / Conference Contribution
de Sousa, M., Chrysoulas, C., & Homay, A. (2015). Building Fault Tolerant Industrial Applications Based on IEC 61499. In FAIM 2015

IEC 61499 defines an execution model for industrial control applications that may be distributed among several devices. In such a heterogeneous environment partial failures are likely to occur. In order to avoid probable system malfunction and breakd... Read More about Building Fault Tolerant Industrial Applications Based on IEC 61499.

Exploiting voting strategies in partially replicated IEC 61499 applications (2015)
Presentation / Conference Contribution
de Sousa, M., Chrysoulas, C., & Homay, A. E. (2015). Exploiting voting strategies in partially replicated IEC 61499 applications. . https://doi.org/10.1109/wfcs.2015.7160589

In a modern industrial environment control programs are distributed among several devices. This raises new issues and challenges especially in failure modes. Building fault tolerant applications can be the solution in order a failure of one sub-compo... Read More about Exploiting voting strategies in partially replicated IEC 61499 applications.

The arrowhead approach for SOA application development and documentation (2014)
Presentation / Conference Contribution
Blomstedt, F., Ferreira, L. L., Klisics, M., Chrysoulas, C., de Soria, I. M., Morin, B., Zabasta, A., Eliasson, J., Johansson, M., & Varga, P. (2014, October). The arrowhead approach for SOA application development and documentation. Presented at IECON 2014 - 40th Annual Conference of the IEEE Industrial Electronics Society, Dallas, TX, USA

The Arrowhead project aims to address the technical and applicative issues associated with cooperative automation based on Service Oriented Architectures. The problems of developing such kind of systems are mainly due to the lack of adequate developm... Read More about The arrowhead approach for SOA application development and documentation.

Arrowhead compliant virtual market of energy (2014)
Presentation / Conference Contribution
Ferreira, L. L., Siksnys, L., Pedersen, P., Stluka, P., Chrysoulas, C., le Guilly, T., Albano, M., Skou, A., Teixeira, C., & Pedersen, T. (2014, September). Arrowhead compliant virtual market of energy. Presented at 2014 IEEE Emerging Technology and Factory Automation (ETFA), Barcelona, Spain

Industrial processes use energy to transform raw materials and intermediate goods into final products. Many efforts have been done on the minimization of energy costs in industrial plants. Apart from working on “how” an industrial process is implemen... Read More about Arrowhead compliant virtual market of energy.

Shielding the Grid World: An Overview (2014)
Journal Article
Chrysoulas, C. (2014). Shielding the Grid World: An Overview. International Journal of Electronics and Information Engineering, 1(1), 23-28

Continues research and development efforts within the Grid community have produced protocols, services, and tools that address the challenges arising when we seek to build scalable virtual organizations (VOs). The technologies that have evolved from... Read More about Shielding the Grid World: An Overview.

Resource Management and Service Deployment in Grids (2011)
Book Chapter
Chrysoulas, C., & Sklavos, N. (2011). Resource Management and Service Deployment in Grids. In N. P. Preve (Ed.), Grid Computing: Towards a Global Interconnected Infrastructure (123-143). London: Springer. https://doi.org/10.1007/978-0-85729-676-4_5

Semantic grid refers to an approach to grid computing in which information, computing resources, and services are described in standard ways that can be processed by computer. This makes it easier for resources to be discovered and joined up automati... Read More about Resource Management and Service Deployment in Grids.

Enhancing service portability in upcoming 3G UMTS networks & security aspects (2010)
Presentation / Conference Contribution
Chrysoulas, C., Sklavos, N., & Kakarountas, A. P. (2010, April). Enhancing service portability in upcoming 3G UMTS networks & security aspects. Presented at Melecon 2010 - 2010 15th IEEE Mediterranean Electrotechnical Conference, Valletta, Malta

Compared to other wired networks, complexity in the 3G UMTS is due its interactions with different entities. Within the UMTS, services have to deal with a great number of different QoS, small user display, variant bandwidth and small battery power. M... Read More about Enhancing service portability in upcoming 3G UMTS networks & security aspects.

A Web-Services Based Architecture for Dynamic-Service Deployment (2009)
Presentation / Conference Contribution
Chrysoulas, C., Haleplidis, E., Haas, R., Denazis, S., & Koufopavlou, O. (2009). A Web-Services Based Architecture for Dynamic-Service Deployment. . https://doi.org/10.1007/978-3-642-00972-3_19

Due to the increase in both heterogeneity and complexity in today’s networking systems, there arises a demand for an architecture for network-based services, that gives flexibility and efficiency in the definition, deployment and execution of the ser... Read More about A Web-Services Based Architecture for Dynamic-Service Deployment.

Proposing a service-enabled semantic grid model (2009)
Journal Article
Chrysoulas, C., & Koufopavlou, O. (2009). Proposing a service-enabled semantic grid model. International Journal of Autonomous and Adaptive Communications Systems, 2(4), 349-361. https://doi.org/10.1504/ijaacs.2009.029170

The semantic grid refers to an approach to grid computing in which information, computing resources and services are described in standard ways that can be processed by computer. This makes it easier for resources to be discovered and joined up autom... Read More about Proposing a service-enabled semantic grid model.

Integrating QoS management within a Web Service architecture (2009)
Presentation / Conference Contribution
Chrysoulas, C. (2009). Integrating QoS management within a Web Service architecture. In 2009 International Conference on Ultra Modern Telecommunications & Workshops. https://doi.org/10.1109/icumt.2009.5345617

Web Services are applications that expose functionality to consumers via public interfaces. Web-services support the concept of loosely coupled components, which in turn enables the development of more agile and open systems. However, this flexibilit... Read More about Integrating QoS management within a Web Service architecture.

Towards a service-enabled distributed router architecture (2008)
Journal Article
Chrysoulas, C., Haleplidis, E., Kostopoulos, G., Haas, R., Denazis, S., & Koufopavlou, O. (2008). Towards a service-enabled distributed router architecture. IET Circuits, Devices and Systems, 2(1), 60-68. https://doi.org/10.1049/iet-cds%3A20070041

Modelling is an essential tool in the development and assessment of new concepts. The authors propose an architecture for the next-generation gigabit distributed active router that was designed and implemented in the IST project, FlexiNET. In the Fle... Read More about Towards a service-enabled distributed router architecture.