Solutions of recursive program schemes over a given signature were characterized by Bruno Courcelle as precisely the context-free (or algebraic) -trees. These are the finite and ...
In E-commerce processes, various rules and constraints regarding product specifications, pricing, terms and conditions are exchanged between vendors and buyers. Developing a forma...
Mizuho Iwaihara, Masayuki Kozawa, Jun Narazaki, Ya...
An extension of the simply-typed lambda calculus is presented which contains both well-structured inductive and coinductive types, and which also identifies a class of types for w...
Abstract. We describe a system designed to provide database programming support for Oberon programmers. The system is based on a generic object-oriented data model which supports r...
Abstract. Deterministic graph grammars are finite devices which generate the transition graphs of pushdown automata. We define the notion of synchronization by grammars, generalizi...