Web repositories are huge amount of heterogeneous information sources. Besides the target information itself, the changes in Web repository are significant and worth being notified to the user who perceived the out of date information as soon as possible. The changes made in Web repositories occur at unpredictable rates. Unfortunately, stock type information source has no means to inform its pr...

For a service delivery system to produce optimal solutions to service-related business problems, it must be based on an approach that involves many of the traditional functional areas in an organization. Unfortunately, most business school curricula mirror the older traditional organizational structure that dominated businesses throughout most of the twentieth century. This structure typically ...

Service Oriented Architecture and Web Services provide an integration infrastructure for service workflow composition and execution. Many planning techniques can be facilitated to construct the service workflow at a building phase (planning), however, it is difficult and challenging to maintain the qualities of service workflow at execution phase, as the delayed response time, the limited throu...

Earth’s life-support systems are in flux, yet no centralized system to monitor and report these changes exists. Recognizing this, 77 nations agreed to establish the Group on Earth Observations (GEO). The GEO Biodiversity Observation Network (GEO BON) integrates existing data streams into one platform in order to provide a more complete picture of Earth’s biological and social systems. We presen...

In the recent years, Software-as-a-Service has gained growing attention from software vendors as well as software customers. In this distribution and pricing model, software vendors are responsible for the operation and maintenance of solutions and customers pay for the service in form of continuous usage-based subscription fees. This study analyses the key characteristics of the Softwareas-a-S...

OBJECTIVE Explore professional views of changes to gastroenterology service organisation and delivery and barriers and facilitators impacting on change. The work was undertaken as part of an evaluation in endoscopy service provision catalysed by the Modernising Endoscopy Services Programme of the Modernisation Agency. DESIGN Focus groups followed by analysis and group-working activities ident...

In this paper, we examine the role of power in radical organizational change. Drawing on a study of change in three professional service firms, we develop a model of change in which power plays a central and defining role. Our study suggests that when organizations experience an environmental shock that affects the core of its activities, the process of radical change will often begin with the ...

www.sciencemag.org (this information is current as of September 5, 2007 ): The following resources related to this article are available online at http://www.sciencemag.org/cgi/content/full/310/5752/1333 version of this article at: including high-resolution figures, can be found in the online Updated information and services, http://www.sciencemag.org/cgi/content/full/1115233/DC1 can be found a...

Often, eGovernment services needed by citizens are composite in nature, where component services are offered by distributed and autonomous government agencies. Our approach to deliver the interagency eGovernment composite services for coordination, cooperation and seamless flow and sharing of data is accomplished through an eGovernment portal system based on a workflow management system (WFMS)....