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Fundamentals of Session Types

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Formal Methods for Web Services (SFM 2009)

Part of the book series: Lecture Notes in Computer Science ((LNPSE,volume 5569))

Abstract

We present a reconstruction of session types in a linear pi calculus where types are qualified as linear or unrestricted. Linearly qualified communication channels are guaranteed to occur in exactly one thread, possibly multiple times. In our language each channel is characterised by two distinct variables, one used for reading, the other for writing; scope restriction binds together two variables, thus establishing the correspondence between the two ends of a same channel. This mechanism allows a precise control of resources via a linear type system. We build the language gradually, starting from simple input/output, then adding choice, recursive types, replication and finally subtyping. We also present an algorithmic type checking system.

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Authors and Affiliations

  1. University of Lisbon, Portugal

    Vasco T. Vasconcelos

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  1. Vasco T. Vasconcelos
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Editors and Affiliations

  1. Istituto di Scienze e Tecnologie dell’Informazione, Università di Urbino "Carlo Bo", Piazza della Repubblica 13, 61029, Urbino, Italy

    Marco Bernardo  & Luca Padovani  & 

  2. Dipartimento di Scienze dell’Informazione, Università di Bologna, Mura Anteo Zamboni 7, 40127, Bologna, Italy

    Gianluigi Zavattaro

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Vasconcelos, V.T. (2009). Fundamentals of Session Types. In: Bernardo, M., Padovani, L., Zavattaro, G. (eds) Formal Methods for Web Services. SFM 2009. Lecture Notes in Computer Science, vol 5569. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-01918-0_4

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  • DOI: https://doi.org/10.1007/978-3-642-01918-0_4

  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-642-01917-3

  • Online ISBN: 978-3-642-01918-0

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