Visual description techniques are particularly important for the design of hybrid systems because specifications of such systems must usually be discussed between engineers from a ...
according to this definition2. Each elementary tree is constrained to have at least one terminal at its frontier which serves as 'head' (or 'anchor'). Sentence...
We present a compositional semantics of synchronous systems that captures both safety and progress properties of such systems. The fair synchronous transitions systems (fsts) mode...
Masaccio is a formal model for hybrid dynamical systems which are built from atomic discrete components (di erence equations) and atomic continuous components (di erential equation...
Schema mappings are high-level specifications that describe the relationship between two database schemas. Two operators on schema mappings, namely the composition operator and th...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...