625 search results - page 5 / 125 » Genetic algorithms for large join query optimization |
ICDE
2008
IEEE
15 years 7 months ago
2008
IEEE
This paper introduces an efficient algorithm for Producing Early Results in Multi-join query plans (PermJoin, for short). While most previous research focuses only on the
case of ...
EDBT
2010
ACM
14 years 2 months ago
2010
ACM
Implementations of map-reduce are being used to perform many operations on very large data. We examine strategies for joining several relations in the map-reduce environment. Our ...
ICDE
2002
IEEE
14 years 9 months ago
2002
IEEE
We examine the problem of processing temporal joins in the presence of indexing schemes. Previous work on temporal joins has concentrated on non-indexed relations which were fully...
DATESO
2008
13 years 9 months ago
2008
Abstract In recent years, many approaches to indexing XML data have appeared. These approaches attempt to process XML queries efficiently and sufficient query plans are built for t...
SIGMOD
1999
ACM
13 years 12 months ago
1999
ACM
Several techniques that compute the join between two spatial datasets have been proposed during the last decade. Among these methods, some consider existing indices for the joined...