1500 search results - page 45 / 300 » Query Optimization in Database Grid |
SIGMOD
2008
ACM
14 years 9 months ago
2008
ACM
The emergence of database languages with side effects, notably for XML, raises significant challenges for database compilers and optimizers. In this paper, we extend an algebra fo...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
DEXAW
2005
IEEE
14 years 2 months ago
2005
IEEE
As Grids try to achieve optimal and balanced utilization of unused resources in a distributed system, fast and efficient discovery of resource states is a key requirement. For sm...
JIDM
2010
13 years 3 months ago
2010
The increasing volume of data stored as XML documents makes fragmentation techniques an alternative to the performance issues in query processing. Fragmented databases are feasible...
SIGMOD
2008
ACM
14 years 9 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...