Πλοήγηση ανά Θέμα "Economic and social effects"

5G infrastructures supporting end-user and operational services: The 5G-XHaul architectural perspective

Tzanakaki A., Anastasopoulos M., Simeonidou D., Berberana I., Syrivelis D., Korakis T., Flegkas P., Mur D.C., Demirkol I., Gutiérrez J., Grass E., Qing W., Pateromichelakis E., Fehske A., Grieger M., Eiselt M., Bartelt J., Lyberopoulos G., Theodoropoulou E. (2016)

We propose an optical-wireless 5G infrastructure offering converged fronthauling/backhauling functions to support both operational and end-user cloud services. A layered architectural structure required to efficiently ...

5G-XHaul: a converged optical and wireless solution for 5G transport networks

Gutiérrez J., Maletic N., Camps-Mur D., García E., Berberana I., Anastasopoulos M., Tzanakaki A., Kalokidou V., Flegkas P., Syrivelis D., Korakis T., Legg P., Markovic D., Lyberopoulos G., Bartelt J., Chaudhary J.K., Grieger M., Vucic N., Zou J., Grass E. (2016)

The common European Information and Communications Technology sector vision for 5G is that it should leverage on the strengths of both optical and wireless technologies. In the 5G context, a wide spectra of radio access ...

Accelerating techniques on nested decomposition

Kolomvos G., Saharidis G.K.D. (2017)

In this paper, we consider the nested decomposition method in the context of multistage stochastic problems with scenario trees where we contribute with improvements in accelerating convergence to optimum. We first propose ...

Analysing the energy efficiency of EU member states: The potential of energy recovery from waste in the circular economy

Halkos G., Petrou K.N. (2019)

This paper examines energy efficiency across 28 selected European Union (EU) Member States and reviews the potential for energy recovery from waste according to the efficiency scores obtained. The efficiencies are assessed ...

Analysis of the dynamic air conditioning loads, fuel consumption and emissions of heavy-duty trucks with different glazing and paint optical properties

Vale J.P., Alves P.G., Neves S.F., Nybo L., Flouris A.D., Mayor T.S. (2022)

The European transportation sector employs 10 million people and accounts for 4.6% of the European Union GDP. Due to climate change, this workforce is increasingly affected by high temperatures and radiant loads, particularly ...

Analyzing manufacturing sector and selected development challenges: A panel data analysis

Halkos G., Moll de Alba J., Todorov V. (2021)

The importance of manufacturing as a main determinant of economic growth has been explored extensively in the literature considering manufacturing as the engine of economic growth. In our study, a new database covering 117 ...

Assessing 28 EU member states' environmental efficiency in national waste generation with DEA

Halkos G., Petrou K.N. (2019)

This paper deals with the efficiency of the 28 European Union (EU) Member States for the years 2008, 2010, 2012 and 2014 by employing Data Envelopment Analysis (DEA) and directional distance function to tackle undesirable ...

Bin Packing Heuristics for the Multiple Workflow Scheduling Problem

Pappas N., Oikonomou P., Tziritas N., Kolomvatsos K., Loukopoulos T. (2021)

In the multiple workflow scheduling problem a set of workflows has to be scheduled concurrently onto system's available resources. Workflows exhibit different characteristics e.g., topological structure, size and ...

Circular bio-economy via energy transition supported by Fuzzy Cognitive Map modeling towards sustainable low-carbon environment

Kokkinos K., Karayannis V., Moustakas K. (2020)

Several energy transition plans attempt to establish low-carbon practices towards a circular bio-economy in order to reduce greenhouse gas emissions. However, most actions only try to assuage the impacts of climate change ...

Citizens' opinions about a digital health insurance record

Kostikidis G., Gallos P., Triantafyllou I.S., Plagianakos V. (2020)

An Electronic Health Insurance Record (EHIR) could give all the information needed to the insured citizens, informing them about the history of benefits and the health expenses. The aim of this work is to evaluate a Digital ...

Combining tile parallelism with slice partitioning in video coding

Koziri M., Papadopoulos P.K., Loukopoulos T. (2018)

Tiles and slices provide different frame partitioning options. While they can both be used for video coding parallelization, tiles offer better scalability to the number of available processors, especially as far as video ...

Coping with energy poverty: Measurements, drivers, impacts, and solutions

Halkos G.E., Gkampoura E.-C. (2021)

Energy is required for socioeconomic development, and the world’s energy needs have significantly increased in the last decades. The lack of energy can have severe impacts on a person’s well-being; therefore, energy access ...

CPU provisioning algorithms for service differentiation in cloud-based environments

Katsalis K., Paschos G.S., Viniotis Y., Tassiulas L. (2015)

This work focuses on the design, analysis and evaluation of Dynamic Weighted Round Robin (DWRR) algorithms that can guarantee CPU service shares in clusters of servers. Our motivation comes from the need to provision ...

The Determinants of Energy and Electricity Consumption in Developed and Developing Countries: International Evidence

Dokas I., Panagiotidis M., Papadamou S., Spyromitros E. (2022)

Aim and background—As research on the energy and electricity consumption determinants yields mixed results and a multifactorial model has not yet been developed, our study aims to investi-gate the growth dynamics of the ...

Development of a waterfront regeneration tool to support local decision making in the context of integrated coastal zone management

Papatheochari T., Coccossis H. (2019)

Increasing pressures from coastal urbanization have created the need for an integrated approach to address the interactions among human activities, taking into account the significance of protecting coastal ecosystems. In ...