We identify the trust management problem as a distinct and important component of security in network services. Aspects of the trust management problem include formulating security policies and security credentials, determining whether particular sets of credentials satisfy the relevant policies

consumers are inundated with choices. Electronic retailers and content providers offer a huge selection of products, with unprecedented opportunities to meet a variety of special needs and tastes. Matching consumers with the most appropriate products is key to enhancing user satisfaction and loyalty

ABSTRACT Large-scale Internet services require a computing infrastructure that can be appropriately described as a warehouse-sized computing system. The cost of building datacenter facilities capable of delivering a given power capacity to such a computer can rival the recurring energy consumption

and disabilities are simultaneously addressed and supported. For many gifted students with a disability, overlapping exceptionalities may render them invisible as either gifted or as students with learning disabilities. As such, they often may not receive either appropriate gifted or special education services

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Web Services will transform the web from a collection of information into a distributed device of computation. In order to employ their full potential, appropriate description means for web services need to be developed. For this purpose we define a fullfledged Web Service Modeling Framework

Abstract—Recently there has been an increasing deployment of content distribution networks (CDNs) that offer hosting services to Web content providers. CDNs deploy a set of servers distributed throughout the Internet and replicate provider content across these servers for better performance

angelos,misra,danr¥ Denial of service (DoS) attacks continue to threaten the reliability of networking systems. Previous approaches for protecting networks from DoS attacks are reactive in that they wait for an attack to be launched before taking appropriate measures to protect the network

introduction and overview. This section demonstrates to service commissioners and providers how some organisations have already tackled aspects of service delivery described in the NSF [national service framework]. Examples of good practice are included here under each of the NSF’s Quality

website: www.specialneeds.org.cn www.cosn.net Paper presented at