Clustering can refer to the following: In computing: Computer cluster, the technique of linking many computers together to act like a single computer Data cluster, an allocation of contiguous storage in databases and file systems Cluster analysis, the statistical task of grouping a set of objects in such a way that objects in the same group are placed closer together (such as the k-means clustering) In hash tables, the mapping of keys to nearby slots In economics: Business cluster, a geographic concentration of interconnected businesses, suppliers, and associated institutions in a particular field In graph theory: The formation of clusters of linked nodes in a network, measured by the clustering coefficient See also Cluster (disambiguation) de:Clustering