ChemCalc: A Building Block for Tomorrow’s Chemical Infrastructure

ChemCalc: A Building Block for Tomorrow's Chemical Infrastructure

Web services, as an aspect of cloud computing, are becoming an important part of the general IT infrastructure, and scientific computing is no exception to this trend. We propose a simple approach to develop chemical Web services, through which servers could expose the essential data manipulation functionality that students and researchers need for chemical calculations. These services return t...

Guidelines for Building a Private Cloud Infrastructure

Prospero: a Base for Building Information Infrastructure

The recent introduction of new network information services has brought with it the need for an information architecture to integrate information from diverse sources. This paper describes how Prospero provides a framework within which such services can be interconnected. The functions of several existing information storage and retrieval tools are described and we show how they t the framework...

Management Challenges For Tomorrows Leaders

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Building a Modular Authorization Infrastructure

Authorization infrastructures manage privileges and render access control decisions, allowing applications to adjust their behavior according to the privileges allocated to users. This paper describes the PERMIS role based authorization infrastructure along with its conceptual authorisation, access control, and trust models. PERMIS has the novel concept of a credential validation service, which...