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Air traffic control is a highly spatial work. However, there are currently no three-dimensional tools used in the education of air traffic controllers or in the operational work of air traffic control. This paper presents results from some pilot studies aiming to: -Find new techniques for visualization and editing of trajectories in air traffic control. -Investigate how Virtual Reality (VR) can co
Any organisation that produces high quality software merits a closer analysis of their methods such that good techniques can be transferred to other organisations. Open Source Software projects is such a case. We make explicit their underlying process for handling change management and analyse to what extent their success can be attributed to good process, tools or people. Furthermore, we discuss
The focused crawler in ALVIS is based on the Combine system, which is an open source system for crawling Internet resources. This deliverable is the software package, the text here describes the software, packaging and distribution of the focused crawler. It provides instructions for how to download, install, test and use the Combine system for focused crawling. Evaluation of performance and scala
The present work was initiated based on an industrial demand for designing a high-bandwidth hexapod of an advanced large optical telescope. In this dissertation, we have generalized this industrial problem to fully-parametric models of the hexapod vibrations as well as analytical studies on dynamic isotropy in parallel robots, which can be directly used in any hexapod application. Hexapods (also k
When calculating the production costs input data can vary considerably inquality between different cases. When costs pertain from products, which are already in production, complete and reliable data may already be available. For new products, new production systems or new production technology it might be hard to find applicable and reliable data. The cost and performance parameters needed can th
