In this paper we describe a new approach to data modelling called the concept-oriented model (CoM). This model is based on the formalism of nested ordered sets which uses inclusion...
This paper presents a test framework to support unit component testing in distributed component-based systems that are built upon component technologies like CORBA, COM/.NET, J2EE...
We give improvements over fixed parameter tractable (FPT) algorithms to solve the Kemeny aggregation problem, where the task is to summarize a multi-set of preference lists, call...
A preorder consists of linearly ordered equivalence classes called blocks, and an alignment is a sequence of cycles on n labelled elements. We investigate the block structure of a...
In order to obtain a suitable model of the universe of discourse of some information systems, it is important to allow the description of imprecise objects with temporal indetermi...
Ed Porto Bezerra, Ulrich Schiel, Bernardo Lula Jr.