Abstract-Numerous attempts have been made towards achieving flexible integration of external applications into a coherent enterprise architecture. The topic of "networked enterprises" describes flexible organisations characterised by distributed teams of partner companies, humans, computer applications, autonomous robots, and devices collaborating with each other in order to achieve higher productivity and to cooperate in joint projects or produce joint products that would have been impossible to develop without the contributions of multiple collaborators. In this context, flexible and secure integration of external services that can be adjusted during runtime becomes of crucial importance in order to quickly respond to changing market needs. In this paper, an architecture for dynamic application integration in web-based portal systems is presented which focuses on the user as the centre of consideration. Following its presentation, the proposed architecture is validated as part of a large-scale prototype.
Today's companies are under considerable strain. Several events or developments such as the global economic crises or the ongoing globalization process contribute to this situation. Meanwhile, however, companies have realized that the concept of virtual organizations represents an efficient measure to counter the current challenges. More and more companies make use of this concept supported by technologies like collaboration platforms. However, the application of such collaboration platforms brings along some changes for organizations in doing their business. For instance, interaction between people, who could not get in touch before, is thereby fostered in particular. Employees of different organizations, even across countries' boundaries, can set up new relationships due to the deployment of collaboration platforms. This paper analyses the impact of collaboration platforms and their effects on the daily business of organizations.
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