5. A method of clustering objects, as in claim 1, comprising the additional step of combining a pair of secondary memory pages that are partially filled with objects in order to reduce a query set cost of accessing the objects stored in the secondary memory.
5. A method of clustering objects, as in claim 1, comprising the additional step of combining a pair of secondary memory pages that are partially filled with objects in order to reduce a query set cost of accessing the objects stored in the secondary memory. 6. A method of clustering objects, as in claim 5, where the step of combining a pair of partially filled pages is repeated until the query set cost can no longer be reduced.