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A Low-Cost Based 6 DoF Head Tracker for Usability Application Studies in Virtual Environments
(2008)
The goal of this work is to develop an integration framework for a robotic software system which enables robotic learning by experimentation within a distributed and heterogeneous setting. To meet this challenge, the authors specified, defined, developed, implemented and tested a component-based architecture called XPERSIF. The architecture comprises loosely-coupled, autonomous components that offer services through their well-defined interfaces and form a service-oriented architecture. The Ice middleware is used in the communication layer. Additionally, the successful integration of the XPERSim simulator into the system has enabled simultaneous quasi-realtime observation of the simulation by numerous, distributed users.
In this paper we present an ongoing research work dedicated to a Virtual-Reality-based product customization application development. The work is addressing the problem of flexible and quick customization of products from a great number of parts. Our application is an effective instrument that can be simultaneously used by two users for rapid assembly tasks, allowing engineers and designers to work collaboratively. Furthermore, it is directly connected to a manufacturing environment, which is able to produce the product right after customization. In the paper we describe the architecture of the application, our interaction and assembly techniques, and explain how the system can be integrated into a manufacturing environment.
Adaptation of e-Learning Environments: Determining National Differences through Context Metadata
(2008)
The paper shows how existing e-learning modules can be internationalized using structured information on the context and specifically culture. Reusing e-Learning contents is a promising concept for the internationalization or cross-cultural purposes. However, most adaptation efforts are often limited to pure language translation.
As the only alternative is rewriting, reusability allows a massive cost reduction by implementing and adapting already established courses, for example into developing countries on a low-cost level. Our approach provides a basis for international and cross-cultural adaptation. In the approach, we identify, collect and store as many parameters about the source and target context and culture as available. After comparing contexts, we determine changing needs by analyzing the impacting differences.
To implement this approach on a large-scale, we plan a public database containing the necessary information for the comparison process. In our research, we have identified a set of around 170 parameters describing national and, more specifically, cultural attributes related to various situations. Utilizing those in an adequate way will lead to an easier and efficient adaptation process.