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One of the motivations for specifying software architectures explicitly is the use of high level structural design information for improved control and prediction of software system quality attributes. In this paper, we present an approach for determining the reliability of component-based software architectures. Our method is based on rich architecture(More)
PURPOSE Lipoblastoma and lipoblastomatosis are very rare benign neoplasms, which almost exclusively occur in infants and young children. Despite their potential to local invasion and rapid growth, these tumors have an excellent prognosis, particularly if resected completely. Usually, the diagnosis is not taken into consideration preoperatively, and depends(More)
Easy access to the Web has led to increased potential for students cheating on assignments by plagiarising others' work. By the same token, Web-based tools offer the potential for instructors to check submitted assignments for signs of plagiarism. Overlap-detection tools are easy to use and accurate in plagiarism detection, so they can be an excellent(More)
We present an algebra for programming the itineraries of mobile agents. The algebra contains operators for modelling sequential, parallel, non-deterministic, and conditional mobility behaviour. Iterative behaviour is also modelled by a language of regular itineraries borrowing ideas from regular expressions. We give an operational semantics for the(More)
Proliferation of digital libraries plus availability of electronic documents from the Internet have created new challenges for computer science researchers and professionals. Documents are easily copied and redistributed or used to create plagiarised assignments and conference papers. This paper presents a new, two-stage approach for identifying overlapping(More)
PURPOSE To provide reference values for MRI-based flow measurements in the main pulmonary artery in healthy children. MATERIALS AND METHODS In 98 healthy children (age: 3 - 17 years, median: 11 years), the main pulmonary artery was examined using MRI-based flow measurements with high temporal resolution (9.6 ms per cardiac phase). RESULTS The(More)
In 33 human subjects with a sound circulatory system regional cerebral blood flow changes, following intracarotid injection of sodium methylglucamine diatrizoate (Angiografin, Urografin 76%) during cerebral angiography, were investigated. Angiografin®, at the start of recording 1 and 3 min after intracarotid injection, caused an increase of rCBF of 15.7%(More)