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A concept map is a visual representation of concepts as nodes and of relationships between concepts as edges as a diagram consisting of nodes linked with each other. Concept maps support the learning process inasmuch that they make learners aware of their own progresses. We propose a game-like e-learning tool named Termina to be used for assessing learners' progresses using which learners can build...
We present pest, a novel approach to the approximate querying of graph-structured data such as RDF that exploits the data's structure to propagate term weights between related data items. We focus on data where meaningful answers are given through the application semantics, e.g., pages in wikis, persons in social networks, or papers in a research network such as Mendeley. The pest matrix generalizes...
We propose a mathematical model for the Towers of Hanoi and London based on state graphs. The analysis of this model allows to address questions like equivalence of puzzles, difficulty of tasks and optimality of solutions using topological, metric and symmetry properties of the corresponding graphs.The mathematical model serves as a base for a computer program to administer tower puzzles in a variety...
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