287 search results - page 44 / 58 » Optimization Techniques for Queries with Expensive Methods |
SIGMOD
1999
ACM
13 years 11 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...
CGF
2011
13 years 1 months ago
2011
This paper presents a parallel framework for simulating fluids with the Smoothed Particle Hydrodynamics (SPH) method. For low computational costs per simulation step, efficient ...
CGF
2008
13 years 7 months ago
2008
Metaballs are implicit surfaces widely used to model curved objects, represented by the isosurface of a density field defined by a set of points. Recently, the results of particle...
DAWAK
2009
Springer
13 years 5 months ago
2009
Springer
Enhancing on line analytical processing through efficient cube computation plays a key role in Data Warehouse management. Hashing, grouping and mining techniques are commonly used ...
ICDE
2006
IEEE
14 years 1 months ago
2006
IEEE
XML structural joins, which evaluate the containment (ancestor-descendant) relationships between XML elements, are important operations of XML query processing. Estimating structu...