CiteSeerX — Author Search Results — "Panagiotis Georgiadis"

A methodological approach for defining one-stop e-government service offerings
by Dimitris Gouscos, Maria Lambrou, Gregoris Mentzas, Panagiotis Georgiadis — 2003 — 2nd International Conference on Electronic Government, Lecture Notes in Computer Science
…a number of administrative services from public agencies and professional chambers in different countries have been identified for provision through the CB-BUSINESS intermediation hub as one-stop service offerings for cross-border business transactions. This paper reports on the methodological guide…
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Integrating E-Government Public Transactional Services Into Public Authority Workflows
by Costas Vassilakis, George Lepouras, Stathis Rouvas, Panagiotis Georgiadis — 2004 — Electronic Government
…Documents submitted by citizens through electronic services, deployed in the context of e-government, must usually undergo processing by some organisational information system in order to complete the citizens' requests and for the reply to be returned to the citizen. The integration, however, o…
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A Comparative Study of Temporal DBMS Architectures
by Costas Vassilakis, Panagiotis Georgiadis, Anna Sotiropoulou — 1996 — Proceedings of DEXA 96 workshop
…In the past years, a number of implementations of temporal DBMSs has been reported. Most of these implementations share a common feature, which is that they have been built as an extension to a snapshot DBMS. In this paper, we present three alternative design approaches that can be used for extendin…
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Sotiropoulou: A comparative study of temporal DBMS architectures
by Costas Vassilakis, Panagiotis Georgiadis, Anna Sotiropoulou — 1996 — Proceedings of DEXA 96 workshop
…Abstract: In the past years, a number of implementations of temporal DBMSs has been reported. Most of these implementations share a common feature, which is that they have been built as an extension to a snapshot DBMS. In this paper, we present three alternative design approaches that can be used fo…
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Implementation Of Transaction And Concurrency Control Support In A Temporal Dbms
by Costas Vassilakis, Nikos Lorentzos, Panagiotis Georgiadis — 1998 — Information Systems
…Transactions and concurrency control are significant features in database systems, facilitating functions both at user and system level. However, the support of these features in a temporal DBMS has not yet received adequate research attention. In this paper, we describe the techniques developed…
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Domain Expert User Development: The SmartGov Approach
by George Lepouras, Costas Vassilakis, Constantin Halatsis, Panagiotis Georgiadis
…In a recent special issue of CACM [1] the approach of end-user development was presented and a number of articles tried to capture the benefits inherent in this approach and the broad range of issues that have to be tackled for end-user development to prosper.…
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Security Protocols over open networks and distributed systems: Formal methods for their Analysis, Design, and Verification
by Stefanos Gritzalis, Diomidis Spinellis, Panagiotis Georgiadis — 1999 — Computer Communications
…Formal methods, theory, and supporting tools can aid the design, analysis, and verification of the security -related and cryptographic protocols used over open networks and distributed systems. The most commonly followed techniques for the application of formal methods for the ex-post analysis and v…
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A Framework Formanaging the Lifecycle of Transactional E-Government Services
by Costas Vassilakis, C. Vassilakis, George Laskaridis, Stathis Rouvas, Panagiotis Georgiadis, George Lepouras, S. Rouvas, P. Georgiadis — 2003
…Fillin an submission of electron` forms is a key issue fore-governI`@7 sino most electronE services o#eredin thisconRQ@ inRQ@ somevarian ofelectron` forms.Inms.R: IT experts are placedin thecenQ+ ofelectron` forms services lifecycles, unecycles, theanR:@E7Q design implemenRI`5: an mainenRI` phases. …
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Transactional e-Government Services: an Integrated Approach
by Costas Vassilakis, C. Vassilakis, George Laskaridis, Stathis Rouvas, Panagiotis Georgiadis, George Lepouras, S. Rouvas, P. Georgiadis — 2002
…Although form-based services are fundamental to e-government activities, their widespread does neither meet the citizen's expectations, nor the offered technological potential. The main reason for this lag is that traditional software engineering approaches cannot satisfactorily handle all of ele…
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An Approach to Offering One-Stop e-Government Services - Available Technologies and Architectural Issues
by Dimitris Gouscos, Giorgos Laskaridis, Dimitris Lioulias, Gregoris Mentzas, Panagiotis Georgiadis — 2002 — eds) Electronic Government – First International Conference EGOV2002, Aix-en-Provence, France, September 2-6, 2002, Proceedings
…The right of citizens to high-quality e-Government services makes one-stop service offerings an essential feature for e-Government. Offering onestop services presents many operational implications; an one-stop service provision (OSP) architecture is needed that, by means of a layered approach, pr…
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