4 results
Giovanni Bernardi ; Matthew Hennessy.
Session types are used to describe and structure interactions between independent processes in distributed systems. Higher-order types are needed in order to properly structure delegation of responsibility between processes. In this paper we show that higher-order web-service contracts can be used […]
Published on June 29, 2016
Adrian Francalanza ; Edsko DeVries ; Matthew Hennessy.
We define a pi-calculus variant with a costed semantics where channels are treated as resources that must explicitly be allocated before they are used and can be deallocated when no longer required. We use a substructural type system tracking permission transfer to construct coinductive proof […]
Published on June 26, 2014
Yuxin Deng ; Matthew Hennessy ; Rob van Glabbeek ; Carroll Morgan.
In 1992 Wang & Larsen extended the may- and must preorders of De Nicola and Hennessy to processes featuring probabilistic as well as nondeterministic choice. They concluded with two problems that have remained open throughout the years, namely to find complete axiomatisations and alternative […]
Published on October 28, 2008
Daniele Gorla ; Matthew Hennessy ; Vladimiro Sassone.
We propose a simple global computing framework, whose main concern is code migration. Systems are structured in sites, and each site is divided into two parts: a computing body, and a membrane, which regulates the interactions between the computing body and the external environment. More precisely, […]
Published on December 20, 2005