556 search results - page 17 / 112 » Evaluation of probabilistic queries in moving objects databa... |
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 7 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...
EDBT
2010
ACM
14 years 1 months ago
2010
ACM
There are two broad approaches to query evaluation over probabilistic databases: (1) Intensional Methods proceed by manipulating expressions over symbolic events associated with u...
DAGSTUHL
1997
13 years 8 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...
DASFAA
2009
IEEE
14 years 1 months ago
2009
IEEE
Abstract. Continuous spatial queries retrieve a set of time-varying objects continuously during a given period of time. However, monitoring moving objects to maintain the correctne...