15. The set of instructions of claim 14 , further comprising a fourth sequence of instructions executable to supply a name of a first of the groups named by the third sequence of instructions.
14. A set of instructions encoded on one or more machine-readable storage media, the set of instructions comprising: a first sequence of instructions executable to employ statistical clustering to organize a plurality of data units; and a second sequence of instructions executable to employ structural clustering to organize the plurality of data units organized by the first sequence of instructions into groups with respect to an attribute indicated by the data set; and a third sequence of instructions executable to indicate one or more names for each of the groups, and to access a structure for the one or more names; and a fourth sequence of instructions executable to generate the one or more names for each group based, at least in part, on at least one shared across at least a majority of data units within each group.