181 search results - page 21 / 37 » Distributed Query Optimization in the Stack-Based Approach |
ICDE
2004
IEEE
14 years 9 months ago
2004
IEEE
Twig queries represent the building blocks of declarative query languages over XML data. A twig query describes a complex traversal of the document graph and generates a set of el...
KRDB
1998
13 years 9 months ago
1998
We present a semantic caching approach for optimizing the performance of information mediators. A critical problem with information mediators, particularly those gathering and int...
HPDC
2000
IEEE
14 years 1 days ago
2000
IEEE
The dQUOB system satis es client need for speci c information from high-volume data streams. The data streams we speak of are the ow of data existing during large-scale visualizat...
VLDB
2007
ACM
14 years 7 months ago
2007
ACM
Research in modeling and querying spatial data has primarily focused on traditional "crisp" spatial objects with exact location and spatial extent. More recent work, how...
VLDB
2005
ACM
14 years 7 months ago
2005
ACM
Estimating the selectivity of multidimensional range queries over real valued attributes has significant applications in data exploration and database query optimization. In this p...