I am trying to construct a model data to facilitate the clustering algortihms execution in terms of searching for data point in the dataset. This model is a set of connections between points such that a given a point is connected to its neighbrs. I think this model may accelerate DBSCAN if it scans several times the data. I am wondering if DBSCAN loops one or several times a data point.

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    $\begingroup$ Define "scan". DBSCAN does n calls to "RangeQuery". $\endgroup$ – Anony-Mousse Nov 26 '18 at 21:50

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