Browsing by Title

Now showing items 951-970 of 5891

  • Prefectural government in Greece: present situation, problems, perspectives 

    Athanasopoulos, Constantinos GE. (Κέντρο Επιμόρφωσης Μελετών Έρευνας και Ανάπτυξης, 1995)
    Ι would like to assure you that Ι feel deeply touched because Ι am honored tο address all of you today a distinguished as well as dangerous audience, bearing specific aims and targets. Your presence here certainly recalls ...

  • Pressure area care: An exploration of Greek nurses’ knowledge and practice 

    Panagiotopoulou, Kalliopi; Kerr, Susan (Blackwell Science, 2002-11)
    BACKGROUND: Despite a plethora of information on the prevention of pressure sores, they remain a significant problem in both hospital and community settings. The need to reduce the incidence of pressure sores has been well ...

  • Prevalence and Characteristics of Disordered Eating Adolescents in Cyprus: The Influence of Body Image, Situational Dysphoria, Self-Esteem, and the Media 

    Argyrides, Marios; Alexiou, Evagelia (The European Journal of Counselling Psychology, 2019)
    The purpose of the current study was threefold: a) to collect a very large representative sample of adolescents and assess for their levels of disordered eating behaviors; b) to describe the characteristics of adolescents ...

  • Pricing Basket spread options 

    Giannopoulos, Kostas (Society for Computational Economics, 2006)
    This paper describes and analyses the use of the Filtered Historical Simulation algorithm in pricing spread options. Spread options are contracts whose payoff depends on the price difference (spread) between two or more ...

  • Principals’ Perceptions on the Notion of Organizational Culture: The Case of Greece 

    Tzianakopoulou, Theodora; Manesis, Nikolaos (2018)
    Organizational culture constitutes a fundamental characteristic of the educational organism, because, it contributes to the shape of its character and of its members’ way of thinking and behavior and, it is also connected ...

  • The Principles of Entrepreneurship and Innovation in Local SME’s 

    Papademetriou, Christos; Belias, Dimitrios; Charalampous, Constantia (2020-09)
    This research paper seeks to clarify the importance and at the same time the multidimensional role that the business process can play, as well as the implementation of innovative approaches to the survival of small and ...

  • Privacy Leakages about Political Beliefs through Analysis of Twitter Followers 

    Briola, Helen; Drosatos, George; Stamatelatos, Giorgos; Gyftopoulos, Sotirios; Efraimidis, Pavlos S. (Pan-Hellenic Conference on Informatics, 2018-11)
    In this paper, we focus on privacy leakages about Twitter usersand show that simply establishing follower and friend connectionsin the Twitter network might be enough to reveal sensitive in-formation about the political ...

  • Privacy Leakages about Political Beliefs through Analysis of Twitter Followers 

    Briola, Helen; Drosatos, George; Stamatelatos, Giorgos; Gyftopoulos, Sotirios; Efraimidis, Pavlos S. (ICPS Proceedings, 2018-11)
    In this paper, we focus on privacy leakages about Twitter users and show that simply establishing follower and friend connections in the Twitter network might be enough to reveal sensitive information about the political ...

  • A Privacy-by-Design Contextual Suggestion System for Tourism 

    Efraimidis, Pavlos S.; Drosatos, George; Arampatzis, Avi; Stamatelatos, Giorgos; Athanasiadis, Ioannis N. (MDPI, 2016-05-05)
    We focus on personal data generated by the sensors and through the everyday usage of smart devices and take advantage of these data to build a non-invasive contextual suggestion system for tourism. The system, which we ...

  • Privacy-Enhanced Management of Ubiquitous Health Monitoring Data 

    Drosatos, George; Efraimidis, Pavlos S. (PETRA, 2011-05-25)
    In this paper, we propose a new architecture for managing data in a Ubiquitous Health Monitoring System (UHMS). The purpose of this architecture is to enhance the privacy of patients and furthermore to decongest the Health ...

  • Privacy-Enhanced Television Audience Measurements 

    Drosatos, George; Tasidou, Aimilia; Efraimidis, Pavlos S. (2017-02)
    Internet-enabled television systems (SmartTVs) are a development that introduces these devices into the interconnected environment of the Internet of Things. We propose a privacy-preserving application for computing ...

  • A privacy-preserving cloud computing system for creating participatory noise maps 

    Drosatos, George; Efraimidis, Pavlos S.; Athanasiadis, Ioannis N.; D’Hondt, Ellie; Stevens, Matthias (IEEE, 2012)
    Participatory sensing is a crowd-sourcing technique which relies both on active contribution of citizens and on their location and mobility patterns. As such, it is particularly vulnerable to privacy concerns, which may ...

  • Privacy-preserving computation of participatory noise maps in the cloud 

    Drosatos, George; Efraimidis, Pavlos S.; Athanasiadis, Ioannis N.; Stevens, Matthias; D’Hondt, Ellie (Elsevier Ltd., 2014-06)
    This paper presents a privacy-preserving system for participatory sensing, which relies on cryptographic techniques and distributed computations in the cloud. Each individual user is represented by a personal software ...

  • A privacy-preserving protocol for finding the nearest doctor in an emergency 

    Drosatos, Georgios; Efraimidis, Pavlos S. (2010-06)
    In this work, we define the Nearest Doctor Problem (NDP) for finding the closest doctor in case of an emergency and present a secure multi-party computation for solving it. The solution is based on a privacy-preserving ...

  • Privacy-Preserving Statistical Analysis on Ubiquitous Health Data 

    Drosatos, George; Efraimidis, Pavlos S. (Electrical and Computer Engineering, Democritus University of Thrace, 2011)
    In this work, we consider ubiquitous health data generated from wearable sensors in a Ubiquitous Health Monitoring System (UHMS) and examine how these data can be used within privacy preserving distributed statistical ...

  • Privacy-Preserving Television Audience Measurement Using Smart TVs 

    Drosatos, George; Tasidou, Aimilia; Efraimidis, Pavlos S. (2012)
    Internet-enabled television systems, often referred to as Smart TVs, are a new development in television and home entertainment technologies. In this work, we propose a new, privacy-preserving, approach for Television ...

  • Privatization of the electricity sector-building on international experience to promote an alternative strategy for Cyprus 

    Pistentis, George (Master of Business Administration, Shcool of Business, Neapolis University Pafos, 2014)
    The issue of ‘privatization’ is fairly new to Cyprus; it was initiated by the memorandum of understanding (MOU) signed between the Republic of Cyprus and Troika (Eurogroup) on April 9th, 2013. Privatization of electricity ...

  • Privitization in Cyprus: the case of Cyprus Telecommunications authority 

    Napoleontos, Thalia (Business Administration Program, School of Economics Sciences and Business, Neapolis University Paphos, 2014)
    The intensive economic crisis the global community is facing in recent years, although initially occurred in the United States has reached epidemic proportions. The dramatic efTects on the banking system and businesses ...

  • A Probabilistic Approach to Worst Case Scenarios 

    Barone-Adesi, Giovanni; Bourgoin, Frederick; Giannopoulos, Kostas (1997)
    Value at Risk (VaR) is increasingly popular as a management and regulatory tool. To further its acceptance it is necessary to assess its reliability under conditions likely to be encountered in financial markets. A logical ...

  • A probabilistic semantic analysis of eHealth scientific literature 

    Drosatos, George; Kaldoudi, Eleni (Sage, 2019)
    Introduction:eHealth emerged as an interdisciplinary research area about 70 years ago. This study employs proba-bilistic techniques to semantically analyse scientific literature related to the field of eHealth in order to ...