English R-tree Cited by user Chire on 09 Oct 2011 R-trees are tree data structures used for spatial access methods, i.e., for indexing multi-dimensional information such as geographical coordinates, rectangles or…
English Cluster analysis Cited by user Chire on 08 Oct 2011 Cluster analysis or clustering is the task of grouping a set of objects in such a way that objects in the same group (called a cluster) are more similar (in some sense…
English OPTICS algorithm Cited by user Chire on 04 May 2010 The reachability-distance of another point from a point is the distance between and, or the core distance of :.