A new type of optimization, called predicate move-around, ia introduced. It is shown how this optimization `considerably improvea the efficiency of evaluating SQL queries that hav...
Alon Y. Levy, Inderpal Singh Mumick, Yehoshua Sagi...
Should digital libraries be based on image or text display? Which will serve users better? Experience and experiments show that users can employ either, and that there are technic...
Index structures for multiple sets can be classified into those that group entries according to their key values and those that group entries according to their set membership. Th...
We propose a new R-tree structure that outperforms all the older ones. The heart of the idea is to facilitate the deferred splitting approach in R-trees. This is done by proposing...
The performance of data-parallel algorithms for spatial operations using data-parallel variants of the bucket PMR quadtree, R-tree, and R+-tree spatial data structures is compared...