Πλοήγηση Επιστημονικές Δημοσιεύσεις ανά Τίτλο

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Πλοήγηση Επιστημονικές Δημοσιεύσεις ανά Τίτλο

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  • Reinforcement of aluminum by TiB dissolution 
    Agrianidis, P.; Anthymidis, K. G.; David, K. (2008-07)
    Interactions between solid materials and liquid aluminum lead to a dissolution of solid elements into aluminum, which in turn results in a subsequent growth of intermetallic and intermediate phases. It was established that ...
  • ReNFFor: a recurrent neurofuzzy forecaster for telecommunications data 
    Mastorocostas, Paris A.; Hilas, Constantinos S. (2012-01-21)
    In this work, a dynamic neurofuzzy system for forecasting outgoing telephone calls in a University Campus is proposed. The system comprises modified Takagi–Sugeno–Kang fuzzy rules, where the rules’ consequent parts are ...
  • Reverse engineering techniques for cranioplasty: a case study 
    Maravelakis, E.; David, K.; Antoniadis, A.; Manios, A.; Bilalis, N.; Papaharilaou, Y. (2008-04)
    This paper presents rapid prototyping and reverse engineering techniques applied to create an implant for the surgical reconstruction of a large cranial defect. A series of computed tomography (CT) images was obtained and ...
  • Robotic mapping and localization with real-time dense stereo on reconfigurable hardware 
    Kalomiros, John; Lygouras, John (2010-01)
    A reconfigurable architecture for dense stereo is presented as an observation framework for a real-time implementation of the simultaneous localization and mapping problem in robotics. The reconfigurable sensor detects ...
  • Robust 3D vision for robots using dynamic programming 
    Nalpantidis, Lazaros; Kalomiros, John; Gasteratos, Antonios (2011)
    In this paper a new stereo vision method is presented that combines the use of a lightness-invariant pixel dissimilarity measure within a dynamic programming depth estimation framework. This method uses concepts such as ...
  • The Role of Accounting Control Systems in the Four Show Caves in Greece 
    Kartalis, Nikos; Athianos, Stergios (2006)
    We use the New institutionalTheory of Sociology (Di Maggio and Powell, 1983, 1991) to examine how accounting informs decision making in the Greek show caves. The study focuses on four show caves selected out of eight main ...
  • The role of internal audit in Bank’s M&As 
    Drogalas, George; Pantelidis, Panagiotis; Zlatinski, Paraskeui; Paschaloudis, Dimitris (2012)
    Organizations have encountered rapid changes in economic complexity, expanded regulatory requirements, and technological advancements in recent years. These changes have given the internal audit function a set of expanded ...
  • Rotations of RC Members of Infilled Frames at Yielding and Ultimate 
    Kakaletsis, D. J. (2012)
    The influence of masonry infills with openings on the rotations of RC members of infilled frames at yielding and ultimate under seismic loading is investigated. Fifteen 1/3-scale, single-story, single-bay frame specimens ...
  • Rural tourism lodgings' websites: a comparative study among Mediterranean countries 
    Vrana, Vasiliki; Zafiropoulos, Kostas (2009)
    Internet is viewed as a cost-effective, flexible way of doing business. Websites can enable rural tourism lodgings to access markets quickly and to become international. The objective of the study is to quantitatively ...
  • Scattering Properties of Carbon Nanotube Arrays 
    Sotiropoulos, A. I.; Plegas, I. V; Koulouridis, S.; Anastassiu, H. T. (2012)
    Interaction of carbon nanotubes (CNTs) with electromagnetic waves has not been extensively investigated, nor is well understood. In this paper, we examine the scattering behavior of finite CNTs arrays at terahertz frequencies. ...
  • Science Education Standards: a new approach 
    Bezergiannidou, C.; Balouktsis, A.; Theodoridou-Sotiriou, Lila (2011-08)
    The science education standards provide criteria for judging the performance of the components of the science education system responsible for providing schools with necessary financial and intellectual resources. In the ...
  • SCOLS-FuM: A Hybrid Fuzzy Modeling Method for Telecommunications Time-Series Forecasting 
    Mastorocostas, Paris A.; Hilas, Constantinos S. (2014)
    An application of fuzzy modeling to the problem of telecommunications time-series prediction is proposed in this paper. The model building process is a two-stage sequential algorithm, based on Subtractive Clustering (SC) ...
  • Seasonal decomposition and forecasting of telecommunication data: A comparative case study 
    Hilas, Constantinos S.; Goudos, Sotirios K.; Sahalos, John N. (2006-06)
    In this paper, forecasting models for the monthly outgoing telephone calls in a University Campus are presented. The data have been separated in the categories of international and national calls as well as calls to mobile ...
  • Seismic behaviour of infilled and pilotis RC frame structures with beam–column joint degradation effect 
    Karayannis, Chris G.; Favvata, Maria J.; Kakaletsis, D. J. (2011-10)
    The influence of the exterior joints capacity deterioration on the local and global failure mechanisms of reinforced concrete structures with infills is investigated. Exterior beam–column joints with reduced capacity is ...
  • Seismic response of structures and infrastructure facilities during the Lefkada, Greece earthquake of 14/8/2003 
    Karakostas, Christos; Lekidis, Vassilios; Makarios, Triantafyllos; Salonikios, Thomas; Sous, Issam; Demosthenous, Milton (2005-01)
    A strong (M=6.2) earthquake struck the island of Lefkada (also called ‘Lefkas’) in western Greece on August 14, 2003. In this paper the seismic behaviour of the buildings and infrastructure in the region, as established ...
  • A Service Model for Customer-Centric Electronic Business 
    Fragidis, G.; Tarabanis, K. (2007)
    The needs of the Service Economy have not been yet investigated in depth in academic research. This paper analyzes customer participation in services and considers the value-adding opportunities it offers. It proposes a ...
  • Service Quality Assessment in higher education: the case of Technological Educational Institute (T.E.I.) of Serres, Greece 
    Zafiropoulos, Costas; Frangidis, Garyfallos; Kehris, Evangelos; Dimitriadis, Sotirios G.; Paschaloudis, Dimiris (2005)
    Education service quality has become a major issue in higher education worldwide. In Greece it is beginning to gain attention in the last few years, mainly because it is an integral part of EU-funded programmes granted ...
  • Siliconizing in a Fluidized Bed Reactor 
    Anthymidis, Konstantinos; David, K.; Trakali, Afroditi; Tsipas, D. N. (2013-11)
    Fluidized bed technology has been used for surface engineering applications in the deposition of hard and/or corrosion resistant layers e.g. aluminizing, chromizing, nitriding, carburizing, boronizing. In the present paper ...
  • A Simulated Annealing-based Learning Algorithm for Block-Diagonal Recurrent Neural Networks 
    Mastorocostas, P. A.; Varsamis, D. N.; Mastorocostas, C. A. (2006)
    The RPROP algorithm was originally developed in [5] for static networks and constitutes one of the best performing first order learning methods for neural networks [6]. However, in RPROP the problem of poor convergence to ...
  • Sizing stand-alone photovoltaic systems 
    Balouktsis, A.; Karapantsios, T. D.; Antoniadis, A.; Paschaloudis, D.; Bezergiannidou, A.; Bilalis, N. (2005)
    A method of sizing stand-alone photovoltaic systems regarding the reliability to satisfy the load demand, economy of components, and discharge depth exploited by the batteries is presented in this work. Solar radiation ...