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Erschienen in:
2006 | OriginalPaper | Buchkapitel
An Experience in Management of Imprecise Soil Databases by Means of Fuzzy Association Rules and Fuzzy Approximate Dependencies
verfasst von : J. Calero, G. Delgado, M. Sánchez-Marañón, D. Sánchez, M. A. Vila, J. M. Serrano
Erschienen in: Enterprise Information Systems VI
Verlag: Springer Netherlands
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In this work, we start from a database built with soil information from heterogeneous scientific sources (Local Soil Databases, LSDB). We call this an Aggregated Soil Database (ASDB). We are interested in determining if knowledge obtained by means of fuzzy association rules or fuzzy approximate dependencies can represent adequately expert knowledge for a soil scientific, familiarized with the study zone. A master relation between two soil attributes was selected and studied by the expert, in both ASDB and LSDB. Obtained results reveal that knowledge extracted by means of fuzzy data mining tools is significatively better than crisp one. Moreover, it is highly satisfactory from the soil scientific expert’s point of view, since it manages with more flexibility imprecision factors (IFASDB) commonly related to this type of information.