William J. Vachula

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This paper reports on conceptual development in the areas of database mining, and knowledge discovery in databases (KDD). Our e®orts have also led to a prototype implementation, called MOTC, for exploring hypothesis space in large and complex data sets. Our KDD conceptual development rests on two main principles. First, we use the crosstab representation(More)
We sketch a logic model for representing systems analysis diagrams. The discussion is limited to diagrams from the OMT methodology of Rumbaugh et al., although no genuine loss of generality results. In developing our logic model, we have followed where appropriate (for state transition diagrams) the logical representation theory developed by Parsons for the(More)
This paper reports on conceptual development in the areas of database mining, and knowledge discovery in databases (KDD). Our e®orts have also led to a prototype implementation, called MOTC, for exploring hypothesis space in large and complex data sets. Our KDD conceptual development rests on two main principles. First, we use the crosstab representation(More)
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