461 search results - page 27 / 93 » A graph-theoretic model for optimizing queries involving met... |
EDBT
2004
ACM
14 years 2 months ago
2004
ACM
Abstract. We present a cost-based adaptive clustering method to improve average performance of spatial queries (intersection, containment, enclosure queries) over large collections...
SIROCCO
2007
13 years 10 months ago
2007
Recently, quite a few papers studied methods for representing network properties by assigning informative labels to the vertices of a network. Consulting the labels given to any t...
ICDE
2010
IEEE
14 years 3 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...
SBBD
2003
13 years 10 months ago
2003
A common requirement of many scientific applications is the ability to process queries involving expensive predicates corresponding to user programs. Optimizing such queries is ha...
TEAA
2005
Springer
14 years 2 months ago
2005
Springer
Abstract. In emerging database applications that deal with large sets of multidimensional data, the performance of the query system significantly depends on the performance of its ...