A Theory of Communicating Sequential Processes
Journal of the ACM (JACM)
Algebraic laws for nondeterminism and concurrency
Journal of the ACM (JACM)
Communicating sequential processes
Communicating sequential processes
On understanding types, data abstraction, and polymorphism
ACM Computing Surveys (CSUR) - The MIT Press scientific computation series
Algebraic theory of processes
Inheritance as an incremental modification mechanism or what like is and isn'tlike
on ECOOP '88 (European Conference on Object-Oriented Programming)
Viewing object as patterns of communicating agents
OOPSLA/ECOOP '90 Proceedings of the European conference on object-oriented programming on Object-oriented programming systems, languages, and applications
POPL '86 Proceedings of the 13th ACM SIGACT-SIGPLAN symposium on Principles of programming languages
Communication and Concurrency
Compositionality Through an Operational Semantics of Contexts
ICALP '90 Proceedings of the 17th International Colloquium on Automata, Languages and Programming
Proof System for Hennessy-Milner Logic with Recursion
CAAP '88 Proceedings of the 13th Colloquium on Trees in Algebra and Programming
Regular types for active objects
OOPSLA '93 Proceedings of the eighth annual conference on Object-oriented programming systems, languages, and applications
Jeeg: a programming language for concurrent objects synchronization
JGI '02 Proceedings of the 2002 joint ACM-ISCOPE conference on Java Grande
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A key property of object-oriented languages is that they promote software reuse through inter-changeability or plug compatibility of software components that conform to the same message-passing interface. A characterization of such an interface is a type, and can be viewed as a constraint on the behaviour of an object. An object that conforms to the type meets the constraint. A subtype, in this view, is simply a stronger constraint: all objects that conform to a subtype also conform to the supertype. The nature of these constraints may vary, however, as may the rules for determining when one type is a subtype of another. The choice of characterization will depend on the computational model of a particular language and the way in which objects interact. We seek to develop a notion of type that will serve to characterize concurrent, active objects whose behaviour may not conform to a strict client/server model of interaction and communication.