Empirical evidence for the usefulness of Armstrong relations in the acquisition of meaningful functional dependencies |
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| Authors: | Warren-Dean Langeveldt Sebastian Link |
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| Affiliation: | School of Information Management, The Victoria University of Wellington, Wellington, New Zealand |
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| Abstract: | Armstrong relations satisfy precisely those data dependencies that are implied by a given set of data dependencies. A common perception is that Armstrong relations are useful in the acquisition of data semantics, in particular since errors during the requirements elicitation have the most expensive consequences. |
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| Keywords: | Knowledge acquisition Armstrong relation Functional dependency Soundness Completeness |
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