We define an operational semantics and a type system for manipulating semistructured data that contains hidden information. The data model is simple labeled trees with a hiding op...
Subtyping relations for the -calculus are usually defined in a syntactic way, by means of structural rules. We propose a semantic characterisation of channel types and use it to d...
Giuseppe Castagna, Rocco De Nicola, Daniele Varacc...
onal Numbers as an Abstract Data Type1 J A Bergstra2 University of Amsterdam, Informatics Institute, Kruislaan 403, 1098 SJ Amsterdam, The Netherlands J V Tucker3 Department of Com...
The aim of this paper is to introduce a modelling concept and structuring principle for rule-based systems the semantics of which is not restricted to a sequential behavior, but ca...
In this paper we design a language and runtime support for isolation-only, multithreaded transactions (called tasks). Tasks allow isolation to be declared instead of having to be ...