C OM PUTER-SUPPOR TED TWO-LEVEL INFOR M ATION SYSTEM D ESIGN
Information system IS design is or at least it should be a very human-intensive process. Such processes cannot be tackled with hard engineering approaches but must be approached in a ''softer'' way. In that manner we determined two main issues that must be considered in designing successful information systems: 1 we must obey the principles of participance, holism, and endless learning and 2 we must be able to answer two basic questions, namely which of many possible computerized ISs to design and how to design the selected one. Considering above propositions we asserted that to achieve successful IS design we must first design an appropriate design paradigm. This activity was called the metadesign and a metadesign paradigm two-level design. MetaMet is a specific implementation of two-level design based on soft system methodology and metamodeling. Because MetaMet is a relatively complex process and in many real-world situations two basic questions can be reduced to ''Which methodology to use?'' we decided to support MetaMet with appropriate computer tools. We designed an intelligent tool based on neural network concepts that helps the MetaMet user during the transformation from a root definition into a real-world model. It assists one in selecting appropriate design paradigms, design activities, general design guidelines, and so forth. We present this tool and the two-level design in this paper.
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