Write ~.-"d for the set of all convex bodies (convex compact sets with nonempty interior) in ~d. Define o@g~l d as the set of those K E 5 b "~d with vol K = 1. Fix K E .~g-i d and choose points X l ,… (More)

Mining frequent itemsets and association rules is a popular and well researched approach for discovering interesting relationships between variables in large databases. The R package arules presented… (More)

This paper describes the ecosystem of R add-on packages deve lop d around the infrastructure provided by the packagearules. The packages provide comprehensive functionality for ana lyzing interesting… (More)

Assume that n points P1, . . . , Pn are distributed independently and uniformly in the triangle with vertices (0, 1), (0, 0), and (1, 0). Consider the convex hull of (0, 1), P1, . . . , Pn, and (1,… (More)

Mining association rules is a popular and well researched method for discovering interesting relations between variables in large databases. A practical problem is that at medium to low support… (More)

The ACM-Artificial Consumer Market is part of the integrated simulation endeavor named the “Artificial Economy”. Complementing and extending the concepts developed in the SIMSEG simulation… (More)

This paper describes the use of corporate decision and strategy simulations as a decisionsupport instrument under varying market conditions in the tourism industry. It goes on to illustrate this use… (More)

The set of nonnegative solutions of a system of linear equations or inequalities is a convex polyhedron. If the coefficients of the system are chosen at random, the number of vertices of this… (More)