The notion of functionality is not cast in stone, but depends upon what we have as types in our language. With partial equivalence relations (pers) as types we show that the funct...
Abstract. We define a notion of recognizable sets of simply typed λterms that extends the notion of recognizable sets of strings or trees. This definition is based on finite mo...
Emergence is a widespread notion in complex systems, artificial life and multi-agent systems. In this paper, we try to clarify a specific emergence feature suggested by John Holl...
The Declared Type Generalization Checker is a plug-in for Eclipse’s Java Development Tools (JDT) that supports developers in systematically finding and using better fitting types...
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...