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4 papers
A Logic for Paraconsistent Transition Systems
Ana Cruz, Alexandre Madeira, Luís Soares Barbosa
Modelling complex information systems often entails the need for dealing with scenarios of inconsistency in which several requirements either reinforce or contradict each other. In…
Quantum Bayesian decision-making*
Michael de Oliveira, Luis Soares Barbosa
As a compact representation of joint probability distributions over a dependence graph of random variables, and a tool for modelling and reasoning in the presence of uncertainty, B…
Generalising KAT to verify weighted computations
Leandro Gomes, Alexandre Madeira, Luís Soares Barbosa
Kleene algebra with tests (KAT) was introduced as an algebraic structure to model and reason about classic imperative programs, i.e. sequences of discrete transitions guarded by Bo…
A logic for n-dimensional hierarchical refinement
Alexandre Madeira, Manuel A. Martins, Luís S. Barbosa
Hierarchical transition systems provide a popular mathematical structure to represent state-based software applications in which different layers of abstraction are represented by…