2298 search results - page 66 / 460 » Querying spatial patterns |
205
Voted
ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
Many applications require finding objects closest to a specified location that contains a set of keywords. For example, online yellow pages allow users to specify an address and a ...
88
Voted
PODS
2000
ACM
15 years 4 months ago
2000
ACM
We consider spatial databases in the plane that can be defined by polynomial constraint formulas. Motivated by applications in geographic information systems, we investigate line...
198
click to vote
ICDE
2000
IEEE
16 years 1 months ago
2000
IEEE
Optimizing queries that involve operations on spatial data requires estimating the selectivity and cost of these operations. In this paper, we focus on estimating the cost of spat...
193
click to vote
ICDE
2008
IEEE
16 years 1 months ago
2008
IEEE
- The embedding of positioning capabilities in mobile devices and the emergence of location-based applications have created novel opportunities for utilizing several types of multi...
146
Voted
SEBD
2003
15 years 1 months ago
2003
The Ambient Logic is a modal logic proposed to describe the structural and computational properties of distributed and mobile computations. The static part of the Ambient Logic is,...