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VLDB
1994
ACM
118views Database» more  VLDB 1994»
13 years 8 months ago
Query Optimization by Predicate Move-Around
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...
VLDB
1994
ACM
130views Database» more  VLDB 1994»
13 years 8 months ago
Experiments on Access to Digital Libraries: How can Images and Text be Used Together
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...
Michael Lesk
VLDB
1994
ACM
120views Database» more  VLDB 1994»
13 years 8 months ago
Indexing Multiple Sets
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...
Christoph Kilger, Guido Moerkotte
VLDB
1994
ACM
80views Database» more  VLDB 1994»
13 years 8 months ago
Dual-Buffering Strategies in Object Bases
Alfons Kemper, Donald Kossmann
VLDB
1994
ACM
129views Database» more  VLDB 1994»
13 years 8 months ago
Hilbert R-tree: An Improved R-tree using Fractals
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...
Ibrahim Kamel, Christos Faloutsos
VLDB
1994
ACM
120views Database» more  VLDB 1994»
13 years 8 months ago
An Approach for Building Secure Database Federations
Dirk Jonscher, Klaus R. Dittrich
VLDB
1994
ACM
109views Database» more  VLDB 1994»
13 years 8 months ago
Data Compression Support in Databases
Balakrishna R. Iyer, David Wilhite
VLDB
1994
ACM
84views Database» more  VLDB 1994»
13 years 8 months ago
Providing Dynamic Security Control in a Federated Database
Norbik Bashah Idris, W. A. Gray, R. F. Churchhouse
VLDB
1994
ACM
137views Database» more  VLDB 1994»
13 years 8 months ago
Performance of Data-Parallel Spatial Operations
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...
Erik G. Hoel, Hanan Samet