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An Analysis of ‘Fan Traps’ in an Eer Schema by Using a Set of ‘Info Concepts’

In: Synergy Matters

Author

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  • Junkang Feng

    (University of Paisley, Department of Computing and Information Systems)

Abstract

Summary This paper tackles a confusing issue in EER modelling, namely fan traps by using a mechanism, which was developed on the basis of soft systems thinking and some ideas regarding signs and their meanings. The mechanism enables the problem to be looked at from both the topological perspective and semantic perspective. The former can be seen as being at the ‘sign’ level, the latter the ‘information’ level. An innovative concept presented here is the ‘basic meaning’ and ‘implied meaning’ of a path. The ‘basic meaning’ of a path is the set of true instance connections that the path’s topological structure can always represent without referring to any organizational rules. Applying ‘organizational rules’ onto the basic meaning of a path of some certain structure arrives at some implied meaning of the path. An implied meaning of a path is either part or the whole of a set of true semantic connections (i.e., information) that the path is capable of representing under the ‘organizational rules’. The essence of a fan trap is that ‘false and undesirable semantic connections are not recognized’, which is part of a larger problem of whether and how a piece of information is represented by the structure of an EER schema.

Suggested Citation

  • Junkang Feng, 2002. "An Analysis of ‘Fan Traps’ in an Eer Schema by Using a Set of ‘Info Concepts’," Springer Books, in: Adrian M. Castell & Amanda J. Gregory & Giles A. Hindle & Mathew E. James & Gillian Ragsdell (ed.), Synergy Matters, chapter 91, pages 541-546, Springer.
    • Handle: RePEc:spr:sprchp:978-0-306-47467-5_91
    DOI: 10.1007/0-306-47467-0_91
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