Bottoni, P. and FISH, ANDREW (2011) A visual language for temporal specifications based on spider diagrams Electronic Communications of the EASST, 41. pp. 1-14. ISSN 1863-2122Full text not available from this repository.
Spider Diagrams are a well-established visual language to specify sets, their relationships, and constraints on their cardinalities. However, they do not support evolution of specifications, where one wants to state that under certain circumstances a specification becomes invalid and a new one must be used, nor transformation of specifications, where one needs operators to manipulate specifications. In this paper, we attack the first problem by developing a new system of timed Spider Diagrams which allow modellers to indicate the temporal range of validity of a specification. The approach is illustrated with examples of policies for library management.
|Item Type:||Journal article|
|Uncontrolled Keywords:||Visual constraint language; Time based systems; Spider diagrams|
|Subjects:||G000 Computing and Mathematical Sciences > G100 Mathematics|
|Faculties:||Faculty of Science and Engineering > School of Computing, Engineering and Mathematics > Visual Modelling|
|Date Deposited:||26 Jan 2012 13:59|
|Last Modified:||25 Sep 2013 11:34|
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