18. The computer-readable media of claim 17 , wherein the determining similarity among the corresponding field values of the database records comprises: assigning an n-degree hyperspace attribute to each database record, where n represents a number of data fields of interest, and wherein the hyperspace attribute corresponding to two database records is correlated with a similarity of the corresponding field values of the two database records; determining membership of each database record in a plurality of hyperspace clusters based at least in part on the hyperspace attributes; assigning, to each record, a cluster ID and a match value reflecting a likelihood that the record is a member of a particular hyperspace cluster; and linking related records based at least in part on the cluster ID and match value.
17. A non-transitory computer readable media comprising computer-executable instructions that, when executed by one or more processors, cause the one or more processors to perform a method comprising: clustering database records into a first set of clusters having corresponding first cluster identifications (IDs), each database record comprising one or more field values, wherein the clustering is based at least in part on determining similarity among corresponding field values of the database records; associating mutually matching database records, wherein the associating comprises performing at least one matching iteration for each of the database records, wherein the matching iteration is based at least in part on the first cluster IDs; determining similarity among corresponding field values of the database records; re-clustering at least a portion of the database records into a second set of clusters having corresponding second cluster IDs, the re-clustering based at least in part on the associating mutually matching database records and on the determining similarity among corresponding field values of the database records; and outputting database record information, based at least in part on the re-clustering.