Guest editorial

Guest editorial The VLDB Journal 10: 1 (2001) / Digital Object Identifier (DOI) 10.1007/s007780100041 Published online: 27 April 2001 – c Springer-Verlag 2001 E-services are announced as the next wave of Internet-based for e-services” by Bonifati et al., focus on tools and techniques business applications, that will dramatically change the use of for rapid e-service development.Eyal and Milo present an the Internet, and is expected to fulfill many different needs of XML and UML-based tool that generates Web applications many different kinds of users in a dynamic and proactive way. starting from declarative specifications.Bonifati et An e-service is often defined as an application accessible via pose instead a development technique based on the use of ac- the Web, that provides a set of functionalities to businesses or tive rules for XML document management.In “ObjectGlobe: individuals.What makes the e-service vision attractive is the Ubiquitous query processing on the Internet”, Braumandl et ability to automatically discover the e-services that fulfill the al.describe instead an infrastructure that support e-service users’ needs, negotiate service contracts, and have the services ecosystems by enabling the integration of data and data pro- delivered where and when users needs them. cessing operations over the Internet. To achieve these objectives, e-service developers, provi- An important issue in the automatic selection and delivery ders, and hosting hubs are faced with several challenges, rang- of e-services is that of negotiation.The paper “An Internet- ing from how to quickly develop and deploy applications that based negotiation server for e-commerce”, by Su at al., pre- can deliver services via the Web, to how to describe and adver- sents a system and a framework that allow automated negoti- tise e-services so that they can be discovered by potential users, ation among customers and service providers. how to support automated negotiations, and how to monitor, In “XML-enabled workflow management for e-services coordinate, and compose the execution of e-services. across heterogeneous platforms”, Shegalov et al.present a This special issue includes seven papers that address the workflow-based platform that can coordinate the execution above-mentioned topics.Given the novelty of this research of e-services and compose them into value-added services. area, in addition to contributions describing proven results of Finally, the paper “An architecture to support scalable on- multi-year research efforts, we have also included in this issue line personalization on the Web”, by Datta et al., discusses the concept and visionary papers that outline key challenges and issue of dynamic personalization of e-services, and presents a research directions. system that supports real-time adaptation of e-services to the The first paper, “Designing wrapper components for e- customer behavior. services in integrating heterogeneous systems”, by Mecella We believe that this special issue can provide a useful and Pernici, introduces the notions of e-service and e-appli- overview of the research issues in the e-services space and cation, and presents concepts and methodologies for e-service of the approaches taken to address them. development and composition.The papers “Integrating and Fabio Casati and Ming-Chien Shan, Hewlett-Packard customizing heterogeneous e-commerce applications” by Dimitrios Georgakopoulos, Telcordia Eyal and Milo, and “Active rules for XML: A new paradigm The VLDB Journal Springer Journals
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Copyright © 2001 by Springer-Verlag Berlin Heidelberg
Computer Science; Database Management
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