491 search results - page 14 / 99 » Optimizing complex queries with multiple relation instances |
CORR
2007
Springer
13 years 7 months ago
2007
Springer
Modular structure is ubiquitous in real-world complex networks. The detection of this type of organization into modules gives insights in the relationship between topological stru...
CIKM
2005
Springer
14 years 1 months ago
2005
Springer
Modern query optimizers select an efficient join ordering for a physical execution plan based essentially on the average join selectivity factors among the referenced tables. In ...
SIGMOD
2008
ACM
14 years 7 months ago
2008
ACM
Text documents often embed data that is structured in nature. This structured data is increasingly exposed using information extraction systems, which generate structured relation...
ICDE
2006
IEEE
14 years 8 months ago
2006
IEEE
To effectively support today's global economy, database systems need to manage data in multiple languages simultaneously. While current database systems do support the storag...
VLDB
2003
ACM
14 years 7 months ago
2003
ACM
In data applications such as information integration, there can be limited access patterns to relations, i.e., binding patterns require values to be specified for certain attribut...