This paper is part of a project to match descriptions of real-world instances and probabilistic models, both of which can be described at mulvel of abstraction and detail. We use ...
Abstract. We relate signs of edge-colorings (as in classical Penrose's result) with "Pfaffian labelings", a generalization of Pfaffian orientations, whereby edges ar...
Several surveys indicate that a significant percentage of data warehouses fail to meet business objectives or are outright failures. One of the reasons for this is that requiremen...
duce an abstract notion of POVM within the categorical quantum mechanical semantics in terms act categories. Our definition is justified by two facts: i. we provide a purely graph...
To choose suitable resources for personal competence development in the vast amount of open educational resources is a challenging task for a learner. Starting with a needs analysi...
Marco Kalz, Hendrik Drachsler, Jan van Bruggen, Ha...