1. A system comprising: a client machine configured to transmit a query; and a server at least in selective communication with the client machine, the server configured to retrieve a data set based on the query, to organize the data set into subsets with at least two passes, wherein the first pass is statistic driven and the second pass is attribute driven, and to name each of the subsets, based at least in part on a property shared by at least a majority of the data units of the subset.