Timed Automata Semantics for Visual e-Contracts

Enrique Martínez
(University of Castilla-La Mancha)
M. Emilia Cambronero
(University of Castilla-La Mancha)
Gregorio Díaz
(University of Castilla-La Mancha)
Gerardo Schneider
(Chalmers | University of Gothenburg)

C-O Diagrams have been introduced as a means to have a more visual representation of electronic contracts, where it is possible to represent the obligations, permissions and prohibitions of the different signatories, as well as what are the penalties in case of not fulfillment of their obligations and prohibitions. In such diagrams we are also able to represent absolute and relative timing constraints. In this paper we present a formal semantics for C-O Diagrams based on timed automata extended with an ordering of states and edges in order to represent different deontic modalities.

In Ernesto Pimentel and Valentín Valero: Proceedings Fifth Workshop on Formal Languages and Analysis of Contract-Oriented Software (FLACOS 2011), Málaga, Spain, 22nd and 23rd September 2011, Electronic Proceedings in Theoretical Computer Science 68, pp. 7–21.
Published: 12th September 2011.

ArXived at: http://dx.doi.org/10.4204/EPTCS.68.3 bibtex PDF
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