Message sequence chart analyzer

Computer graphics processing and selective visual display system – Computer graphics processing – Graph generating

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G06T 1100

Patent

active

058121455

ABSTRACT:
Apparatus and methods for editing message sequence charts and determining whether a message sequence chart is consistent with a semantic of the system which the message sequence chart represents. As an editor, the apparatus maintains an internal representation of the message sequence chart as a set of processes and events, displays an image of the message sequence chart, and modifies the internal representation in response to modifications of the image by the user. The internal representation can be used to produce further representations of the message sequence chart. One of the representations is an event list which lists send events and receive events in the message sequence chart in a visual order. The event list is used together with a semantic provided by the user of the apparatus to determine whether there is an inconsistency between the message sequence chart and the semantic.

REFERENCES:
patent: 5450569 (1995-09-01), Schallier
"Using Formalized Temporal Message-flow Diagrams", W. Citrin, A. Cockburn, J. Von Kanel, and R. Hauser, Software-Practice and Experience, vol. 25(12), Dec. 1995, pp. 1367-1401.
"An Algebraic Semantics of Basic Message Sequence Charts", S. Mauw and M. A. Reniers, The Computer Journal, vol. 37, No. 4, 1994, pp. 1-9.

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