Engineering extended service-oriented architecture (SOA) –based web services for open environments that support collaboration sets numerous requirements to web services languages and support infrastructure capabilities provided by vendors. Issues such as composition and management of services become important, yet neither web services or the vendor platform support infrastructure contain the al...

Extended service-oriented architecture –based web services for open environments sets numerous requirements. Issues such as composition and management of services become important, yet neither web services nor the current commercial platforms contain the required capabilities, let alone are mature enough for production use. This paper focuses in particular to service-level management, providing...

A typical task of a grid level scheduling service is the orchestration and coordination of resources in the grid. Especially the co-allocation of resources makes high demands on this service. Co-allocation requires the grid level scheduler to coordinate resource management systems located in different domains. Provided that the site autonomy has to be respected negotiation is the only way to ac...

Media content personalisation is a major challenge involving viewers as well as media content producer and distributor businesses. The goal is to provide viewers with media items aligned with their interests. Producers and distributors engage in item negotiations to establish the corresponding service level agreements (SLA). In order to address automated partner lookup and item SLA negotiation,...

PROFESSIONAL INTHE IIBRARY/INFORMATION ASSOCL~TIONS science field are viewed from the perspective of the value they bring to the field. Two areas in particular, research and professional development, are reviewed in this context based on the efforts of ALA,ALISE, ASIS, and SLA.

The proposed protocol has been designed to support the flexible formation of Request-Based Virtual Organisations (RBVOs) with an emphasis on reflecting the conditions of real competitive environments. It supports automated or semi-automated negotiations mainly in the creation part of a Virtual Organisation (VO) life cycle and it accounts for the use of Service Level Agreements (SLAs). The proto...