Let ? be an open connected subset of the complex plane C and let T be a bounded linear operator on a Hilbert space H. For ? in ? let e the orthogonal projection onto the null-space of T-?I . We discuss the necessary and sufficient conditions for the map ?? to b e continuous on ?. A generalized Gram- Schmidt process is also given.

The article aims to investigate how key e-Governance dimensions related to openness, such as transparency and accountability, which are a necessary condition for reaching a high maturity of e-Government, may not be sufficient for open government. For this purpose, an interpretative framework to identify country attitudes towards Open Government is proposed and it is applied to two cases drawn f...

The first decade of the twenty-first century is witnessing the convergence of three strands of development in e-learning, strands that had relatively independent origins during the 1990s. The first is the development of e-learning technology as a recognized industry. This is based on the rise of the Web and the widespread adoption of e-learning software and courses, especially learning manageme...

East Asia nations have made some progress with this technology, and started to introduce OSS for e-government systems during the early part of this century. Many countries granted it a central role in their policies. The reasons for this include adoption of software based on standard specification, liberation from vender lock-in, or opposition to the market control of proprietary software. Howe...

Online contests for open innovation – seekers posting innovation projects to which solvers submit solutions – have been developed into a new online commerce model. This study is one of the first to lift the veil of online contests. We identify that real world online contests are very different from what is assumed by previous studies. A real world online contest has uncertain number of solvers ...

The infusion of powerful information networks into business environments is beginning to have a profound impact on the nature of governance between buyers and sellers in the marketplace. Most articles in this area emphasize the benefits to the consumer side of the equation due to reduced coordination, search, and transactional costs. This article presents a broader view of information and marke...

This paper presents a model of professional development through the participation in a virtual CoP. This model is rooted in a definition of professional development and of professional practice. The model is then used for analyzing the activity of a virtual CoP of tutors involved in a computersupported collaborative learning training. The analysis provides guidelines for developing online servi...

We introduce our framework for logic-based compositional e-commerce interaction. We aim to provide opensource software which adds a light-weight formal messaging layer to business communications, to increase the accessibility of e-commerce infrastructure to smaller business players. In the process we hope to develop a comprehensive theory of business communication. We present the logical struct...

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