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Software product families are rarely created right away but they emerge when a domain becomes mature enough to sustain their long-term investments. The typical pattern is to start with a small set of products to quickly enter a new market. As soon as the business proves to be successful new investments are directed to consolidating the software assets. The(More)
The work reported here has been funded by the Delft University of Technology DIOC research programme. DIOC programmes are an initiative of the ARTD (" Advisory Council Technology T.U. Delft "), and aim at solving, in a multidisciplinary way, specific technological problems with engineering and social significance. U bico m-p ro ject, Facu lty o f In fo r ma(More)
The work reported here has been funded by the Delft University of Technology DIOC research programme. DIOC programmes are an initiative of the ARTD (" Advisory Council Technology T.U. Delft "), and aim at solving, in a multidisciplinary way, specific technological problems with engineering and social significance. Merging the real and virtual world W. Pa sm(More)
Introduction Students appear to have serious problems learning linear algebra. At Delft University, in 2001 only about 25% of the students pass the examination in the first try. This was raised to about 40% in 2004, after a computer quizz system was introduced in 2003 to stimulate students and to give bonus points helping them to pass the examination.(More)
Introduction This report documents Futaba PCM1024Z data format. This report is the combined result of previous known knowledge from the internet [Pasman03] and reverse engineering of which multiple people [Runryder03]. Source codes of PCM decoders [Sekiriki02b], [Autopilot02] and a few important details [Sekiriki02] were also an important source of(More)
Introduction This document discusses techniques and methods that are important for the definition of the architecture for the UseT work package in the Cactus Impulse project [Lagendijk02]. We hope that the contents suffice to enable other UseT participants to understand and participate in architecture discussions. Numerous areas are important for UseT:(More)
A deficient brain serotonin function has been demonstrated in psychiatric disorders and increases in brain serotonin ameliorate emotional and behavioural abnormalities found in depression. The uptake of the serotonin precursor tryptophan into the brain is dependent on nutrients that influence the cerebral availability of tryptophan via a change in the ratio(More)
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