Communicating and mobile systems: the &pgr;-calculus
Communicating and mobile systems: the &pgr;-calculus
Subtyping for session types in the pi calculus
Acta Informatica
CONCUR '07 Proceedings of the 18th international conference on Concurrency Theory
The Pairing of Contracts and Session Types
Concurrency, Graphs and Models
A theory of contracts for Web services
ACM Transactions on Programming Languages and Systems (TOPLAS)
A Theory of Adaptable Contract-Based Service Composition
SYNASC '08 Proceedings of the 2008 10th International Symposium on Symbolic and Numeric Algorithms for Scientific Computing
Two notions of sub-behaviour for session-based client/server systems
Proceedings of the 12th international ACM SIGPLAN symposium on Principles and practice of declarative programming
Contract-based discovery of Web services modulo simple orchestrators
Theoretical Computer Science
A formal account of contracts for web services
WS-FM'06 Proceedings of the Third international conference on Web Services and Formal Methods
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Web services are one of the most widely used technologies for service oriented computing. In particular, they support client-server protocols whose specifications are written in XML languages as such as WSCL or WSDL. Notwithstanding the wide adoption of web services, it is not yet clear which formalism should be used to reason about the protocols they support. Session types and contracts are two formalisms used to study client-server protocols, both promoted as good formal methods for web services. In this paper we study the relationship between contracts and session types. The main result is the existence of a fully abstract model of session types; this model is based on a natural interpretation of these types into a subset of contracts.