| 摘要 |
When determining a rule associated with an objective attribute of data in a database to predict the objective attribute value of data, following steps are performed: storing values relative to data belonging to each bucket wherein the values correspond to each bucket in a plane, and the plane has two axes respectively corresponding to two predicative numeric attributes of data and is divided into NxM buckets; segmenting a bucket region that is satisfied with a predetermined condition, from the plane; performing a smoothing processing for a boundary of the segmented bucket region; and determining a rule for predicting the object attribute value of the data by the smoothed region.
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