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In spite of years of effort, plagiarism in student assignment submissions still causes considerable difficulties for course designers; if students' work is not their own, how can anyone be certain they have learnt anything? YAP is a system for detecting suspected plagiarism in computer programs and other texts submitted by students. The paper reviews YAP3,(More)
It has argued that systems for detecting similarities in submitted programs must be based on the analysis of program structure. One such system is “Plague”. In this paper, some difficulties with the Plague system are outlined and a new system is described that achieves the same goals as Plague, but in a way that is both more portable and more(More)
BACKGROUND Endocrine disruptor chemicals elicit adverse health effects by perturbing nuclear receptor signalling systems. It has been speculated that these compounds may also perturb epigenetic mechanisms and thus contribute to the early origin of adult onset disease. We hypothesised that histone methylation may be a component of the epigenome that is(More)
The early automated systems for detecting plagiarism in student programs employed attribute-counting techniques in their comparisons of programs. It has been claimed that the more recent, automated systems, which encode structural information, are more effective in their detection of plagiarisms than systems based on attribute-counting. To explore the(More)
A system for aligning nucleotide or amino acid biosequences is described. The system, called Neweyes, employs a novel string matching algorithm. Running Karp-Rabin Greedy String Tiling (RKR-GST), which involves tiling one string with matching substrings of a second string. In practice, RKR-GST has a computational complexity that appears close to linear.(More)
A novel, scalable, quantitative, discrete-event simulator of metabolic and more general reaction pathways-DiMSim-has been developed. Rather than being modeled by systems of differential equations, metabolic pathways are viewed as bipartite graphs consisting of metabolites and reactions, linked by unidirectional or bidirectional arcs, and fluxes of(More)