Sciweavers

4616 search results - page 853 / 924
» Beyond relational databases
Sort
View
VLDB
1997
ACM
97views Database» more  VLDB 1997»
15 years 10 months ago
The Complexity of Transformation-Based Join Enumeration
Query optimizers that explore a search space exhaustively using transformation rules usually apply all possible rules on each alternative, and stop when no new information is prod...
Arjan Pellenkoft, César A. Galindo-Legaria,...
SIGMOD
1994
ACM
106views Database» more  SIGMOD 1994»
15 years 10 months ago
Multi-Step Processing of Spatial Joins
Spatial joins are one of the most important operations for combining spatial objects of several relations. In this paper, spatial join processing is studied in detail for extended...
Thomas Brinkhoff, Hans-Peter Kriegel, Ralf Schneid...
VLDB
1992
ACM
151views Database» more  VLDB 1992»
15 years 10 months ago
Parallelism in a Main-Memory DBMS: The Performance of PRISMA/DB
This paper evaluates the performance of the parallel, main-memory DBMS, PRISMA/DB. First, an architecture for parallel query execution is presented. A performance model for the ex...
Annita N. Wilschut, Jan Flokstra, Peter M. G. Aper...
ER
2007
Springer
109views Database» more  ER 2007»
15 years 10 months ago
Selfish-brain Theory: Challenges in the Top-down Analysis of Metabolic Supply Chains
The Selfish-brain theory has created the theoretical basis for the systemic analysis of the energy metabolism in terms of a supply chain. The energy in form of glucose equivalents...
Dirk Langemann
CAISE
2006
Springer
15 years 10 months ago
Bridging the Gap between Data Warehouses and Organizations
Abstract. Data Warehouse (DWH) systems are used by decision makers for performance measurement and decision support. Currently the main focus of the DWH research field is not as mu...
Veronika Stefanov