E-Services are typically delivered point-to-point. However, the eservice environment creates the opportunity for providing value-added, integrated services, which are delivered by composing existing e-services. In order to enable organizations to pursue this business opportunity we have developed eFlow, a system that supports the specification, enactment, and management of composite e-services,...

Composition of e-Services is the issue of synthesizing a new composite eService, obtained by combining a set of available component e-Services, when a client request cannot be satisfied by available e-Services. In this paper we propose a general framework addressing the problem of e-Service composition. We then show that, under certain assumptions, composition can be realized through DLbased re...

Spatial data are used for location based services and to support traffic management systems. Data are gathered, saved and managed in a central database where, in principal, every user can access them putting data in a temporary database and then integrate them to a central. The proposed system uses a connection between database and trust engines in order to provide transparency. Security is an ...

Resumen. Automating the creation and management of SLAs in electronic commerce scenarios brings many advantages, such as increasing the speed in the contracting process or allowing providers to deploy an automated provision of services based on those SLAs. We focus on the service trading process, which is the process of locating, selecting, negotiating, and creating SLAs. In this article, we pr...

This paper examines the relationships between key drivers of e-service customer’s intention to continue to use an eservice. From expectancy confirmation theory (ECT) in consumer behavior literature and technology acceptance model (TAM) in IS, we hypothesize that e-service customers’ intention to continue to use an e-services is determined by the degree of customer satisfaction with e-service us...

The emergence of e-Government in developing countries has led to the discovery of many innovative ways of public service delivery to citizens and businesses. India has chosen the common service center based service delivery model, where multiple services from single or multiple government agencies can be obtained in one location. However, the assessment quality of service at these centers, espe...

The global online shopping market has exhibited consistent growth, exceeding an annual average growth rate of 10% from 2006 to 2010; however, the online shopping market in Taiwan demonstrated an astounding growth rate, surpassing 35% during the same period. In the current competitive and rapidly expanding market environment, shopping website providers must establish effective methods for measur...

The varying complexity, different maturity and rapid growth of the number of new e-services promote the assessment and their comparison with each other. This paper presents the application of e-service model in assessment and comparison of services in public sector. The model will assist the authorities to evaluate the maturity and complexity of the e-services they provide, and the systems that...

The usage of the internet has grown over recent years in South Africa but at a very slow rate. This is the result of several challenges facing the growth of the Internet in South Africa. These challenges are mostly related to the lack of infrastructure for the Internet, high cost of computer technology and service provider challenges. The paper provides an overview of the Internet usage and its...

Though many countries are still just beginning to grasp the potential uses and impacts of Electronicgovernment (EG), advances in technologies and their applications continue. Observing the proliferation of EG, countries are increasingly turning to the Internet to market their EG system to gain a competitive advantage. However, the effectiveness and efficiency of such online government systems l...