Abstract
The entity life history (ELH) technique was originally designed to extend the available database design techniques such as E-R diagramming (chapter 16) and normalisation (chapter 15) (Robinson, 1979). Such data analysis techniques concentrate almost exclusively on a static view of the information system being modelled. ELHs, in contrast, were developed as a technique for the explicit modelling of system dynamics (Rosenquist, 1982). In this sense, the ELH may be seen as a competitor to the DFD (chapter 17) and associated process specification techniques (chapter 18). However, the ELH is more closely linked to the logical modelling ideas underlying data analysis.
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Bibliography
Jackson M. A. (1984). Principles of Program Design. Academic Press. New York.
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Robinson K.A. (1979). ‘An Entity/Event Data Modelling Method’. The Computer Journal. 22. 270–281.
Rosenquist C.J. (1982). ‘Entity Life Cycle Models and their Applicability to Information System Development’. The Computer Journal. 25. 307–315.
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© 1998 P. Beynon-Davies
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Beynon-Davies, P. (1998). Entity Life Histories. In: Information Systems Development. Macmillan Computer Science Series. Palgrave, London. https://doi.org/10.1007/978-1-349-14931-5_20
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DOI: https://doi.org/10.1007/978-1-349-14931-5_20
Publisher Name: Palgrave, London
Print ISBN: 978-0-333-74481-9
Online ISBN: 978-1-349-14931-5
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