482 search results - page 43 / 97 » Selectivity Estimation in Spatial Databases |
EDBT
2002
ACM
14 years 8 months ago
2002
ACM
Abstract. Estimating the sizes of query results, and intermediate results, is crucial to many aspects of query processing. In particular, it is necessary for effective query optimi...
IAJIT
2010
13 years 6 months ago
2010
: Tracking moving objects is one of the most common requirements for many location-based applications. The location of a moving object changes continuously but the database locatio...
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
With the total energy consumption of computing systems increasing in a steep rate, much attention has been paid to the design of energy-efficient computing systems and applications...
AEOG
2011
12 years 7 months ago
2011
The generalization index system is one of the critical issues for computer-aided land use database generalization. This paper studies the scale and land use pattern effects on lan...
VLDB
2005
ACM
14 years 1 months ago
2005
ACM
A “plan diagram” is a pictorial enumeration of the execution plan choices of a database query optimizer over the relational selectivity space. In this paper, we present and an...