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About: Conceptual Graphs for a Data Base Interface     Goto   Sponge   NotDistinct   Permalink

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A data base system that supports natural language queries is not really natural if it requires the user to know how the data are represented. This paper defines a formalism, called conceptual graphs, that can describe data according to the user’s view and ac- cess data according to thseystem’s view. In addition, the graphs can representfunctional dependencies in the data base and suppoirnt- ferences and computations that are not explicit in the initial query.