265 search results - page 22 / 53 » Universal Trajectory Queries for Moving Object Databases |
SIGMOD
2005
ACM
14 years 7 months ago
2005
ACM
This paper proposes a generic framework for monitoring continuous spatial queries over moving objects. The framework distinguishes itself from existing work by being the first to ...
VLDB
2006
ACM
14 years 7 months ago
2006
ACM
: Moving Objects Databases have become an important research issue in recent years. For and querying moving objects, there exists a comprehensive framework of abstract data types t...
GIS
2008
ACM
13 years 8 months ago
2008
ACM
Location-based services are increasingly popular and it is a key challenge to efficiently support query processing. We present a novel design to process large numbers of location...
DAGSTUHL
1997
13 years 9 months ago
1997
In this paper we propose a data model for representing moving objects with uncertain positions in database systems. It is called the Moving Objects Spatio-Temporal (MOST) data mod...
GIS
2007
ACM
14 years 8 months ago
2007
ACM
Continuous spatial queries posted within an environment of moving objects produce as their results a time-varying set of objects. In the most ambitious case both queries and data ...