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At the same time, a recent InformationWeek survey of IT departments are showing considerably wariness for doing the same thing inside the firewall with employees, with over half being either skeptical or wary of the utility of Web 2.0 apps in the enterprise.  The biggest concerns: Security, little expertise with Web 2.0 products, integration issues, and unclear ROI top the list.  In other words, the group inside most organizations that's most familiar with IT and software, is thinking carefully before deploying things like Enterprise 2.0. This is an interesting contrast, with a growing list of companies cautiously but clearly testing out the Web 2.0 waters with their customers while remaining largely on the fence for its use inside the enterprise.  Certainly, many organizations likely believe that consumer facing sites that extensively leverage user generated content, mass participation, and social networking have been proved to work on a large scale by sites like MySpace and YouTube.  And that organizations have already purchased and deployed countless IT tools that were already designed support internal business processes, ad hoc collaboration, and information capture and storage.    Another probably contributor to the increasing use of customer-facing Web 2.0 applications by large organizations is simple competitive pressure.  This is something that IT departments have only recently started facing in a serious fashion with outsourcing and other budget diversions in the enterprise as business units decide that they can do better by pitting their internal IT suppliers with external ones.  Thus, because of industry competition, a company's external products tend to improve faster and be more innovative since the concern over the displacement and dislocation of falling behind one's competitive peers is often pronounced in many industries.  Competition is usually much less, and often non-existent, for internal IT products.

it doesn't help us understand if Web 2.0 concepts like crowdsourcing actually work well in the enterprise.  For one thing, instead of recruiting people who have previously had no relationship with you and cost-effectively aggregating their time together to create large levels of new output, employers have a zero-sum game with Web 2.0 inside the firewall.

the best that Web 2.0 and Enterprise 2.0 applications like blogs and wikis can do it increase the productivity of existing business processes by improving efficiency as well as allowing them to self-improve through emergent structure and behavior.

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What Is Collaboration? Wood and Gray say that each definition of collaboration used in the articles reviewed has at least one important element missing. They say that any definition must be able to answer the following: Who is doing what, with what means, toward what ends? "This leads us to create the following revised definition," they write: Collaboration occurs when a group of autonomous stakeholders of a problem domain engage in an interactive process, using shared rules, norms, and structures, to act or decide on issues related to that domain. Stakeholders may have shared or differing interests in a problem domain, and these interests may change over time. Some degree of autonomy is required, or else stakeholders "merge" rather than "collaborate." Rules for governing interactions must be implicitly or explicity agreed upon. Acting or deciding is needed to reach a common objective. The domain is the issue or set of issues that stakeholders are interested in, such as local traffic congestion or a nation's economic health. Wood and Gray say that this definition is general enough to include a wide array of collaborative forms but specific enough to exclude others, such as blue ribbon panels that never meet, corporate mergers, and clubs that have no specific problem-solving objectives. The authors next discuss the other 3 issues confronting a comprehensive theory of collaboration.

GPU : a Global Processing Unit   GPU est un client Gnutella qui permet de partager des fichiers et des ressources CPU entre ses utilisateurs. Notre but est de fournir une structure pour permettre le calcul distribué à travers le P2P et de devenir un superordinateur pour des recherches pacifiques et gratuites. Les ressources sont partagées sans privilégier d'utilisateur, tout le monde peut utiliser les ressources d'un autre et doit en fournir si nécessaire. Pour le moment le client permet le partage de musique et quelques calculs simples. Des plugins augmentent les capacités du client et sont compilés de façon à pouvoir exploiter toute la puissance des processeurs récents.

Confluence is an enterprise wiki that makes it easy for your team to collaborate and share knowledge. Adding, sharing and finding content has never been easier. These benefits come with all the additional features needed to make it a part of your business: Enterprise security Simple installation and management Attractive, user-friendly WYSIWYG interface Powerful tools for structuring and searching your wiki Professional features such as PDF export and automated refactoring An open API for extension and integration

Welcome to TWiki, a flexible, powerful, and easy to use enterprise collaboration platform and knowledge management system. It is a Structured Wiki, typically used to run a project development space, a document management system, a knowledge base, or any other groupware tool, on an intranet or on the internet. Web content can be created collaboratively by using just a browser. Users without programming skills can create web applications. Developers can extend the functionality of TWiki with Plugins.