Deutsch: R-Baum über PLZ-Koordinaten, mit der quadratischen Split-Heuristik von Guttman gebaut. Die Seiten des Baumes überlappen sich stark, was die Performance verschlechtert.
English: R-tree on ZIP codes for Germany, constructed using the quadratic split heuristic of Guttman. The tree pages overlap a lot, which is not beneficial for the performance
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