305 search results - page 27 / 61 » Including Group-By in Query Optimization |
ICDE
2006
IEEE
14 years 9 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...
GEOINFO
2003
13 years 9 months ago
2003
Relational index structures, as for instance the Relational Interval Tree, the Relational R-Tree, or the Linear Quadtree, support efficient processing of queries on top of existing...
HPDC
2010
IEEE
13 years 8 months ago
2010
IEEE
Current projects that automate the collection of provenance information use a centralized architecture for managing the resulting metadata - that is, provenance is gathered at rem...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
There has been a great deal of interest in the past few years on ranking of results of queries on structured databases, including work on probabilistic information retrieval, rank...
SSDBM
1999
IEEE
13 years 12 months ago
1999
IEEE
In many scientific domains, experimental devices or simulation programs generate large volumes of data. The volumes of data may reach hundreds of terabytes and therefore it is imp...