| id |
ddss9430 |
| authors |
Gelder, Johan de and Lucardie, Larry |
| year |
1994 |
| title |
What Conceptual Modelling Is and Isnīt |
| source |
Second Design and Decision Support Systems in Architecture & Urban Planning (Vaals, the Netherlands), August 15-19, 1994 |
| summary |
It is generally agreed that conceptual modelling is an important activity in the development of knowledge based systems. The availability of an adequate conceptual model is of vital interest notonly for the design and implementation of knowledge based systems, but also for their validation, modification, maintenance and enhancement. In order to be able to develop adequate conceptualmodels a theory about the nature of knowledge is required and, in line with this theory, a methodology to reconstruct the meaning of concepts. Additionally, techniques have to be selected which enable the modelling, representation, validation and simulation of reconstructed concepts. In the development of knowledge based systems often techniques are used which are not very wellsuited to the reconstruction and representation of the concepts of an application area. The selection of a technique is not motivated by an explicitly formulated theory, but by the representation formalisms applied within the software used for the implementation of knowledge based systems. This often leads to inadequate conceptual models and consequently poorly functional and hardly maintainable systems, mainly because the representation of concepts is adapted to the limitations of the applied representation formalism. In this paper we explain how the conceptual modelling activity isusually tackled in thedevelopment of knowledge based systems and what the related problems are. |
| series |
DDSS |
| email |
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| references |
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| last changed |
2003/08/07 16:36 |
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