1429 search results - page 156 / 286 » Efficient processing of XPath queries using indexes |
ICDE
2010
IEEE
14 years 4 months ago
2010
IEEE
— In this paper we propose PARINET, a new access method to efficiently retrieve the trajectories of objects moving in networks. The structure of PARINET is based on a combination...
CGF
2004
13 years 9 months ago
2004
We present a simple but powerful algorithm for optimizing the usage of hardware occlusion queries in arbitrary complex scenes. Our method minimizes the number of issued queries an...
VIS
2009
IEEE
14 years 10 months ago
2009
IEEE
We develop a new algorithm for isosurface extraction and view-dependent filtering from large time-varying fields, by using a novel Persistent Time-Octree (PTOT) indexing structure....
VLDB
2005
ACM
14 years 9 months ago
2005
ACM
Abstract. We propose a mediator model for providing integrated and unified access to multiple taxonomy-based sources. Each source comprises a taxonomy and a database that indexes o...
DAMON
2006
Springer
14 years 23 days ago
2006
Springer
Hashing is one of the fundamental techniques used to implement query processing operators such as grouping, aggregation and join. This paper studies the interaction between modern...