556 search results - page 14 / 112 » Evaluation of probabilistic queries in moving objects databa... |
CORR
2008
Springer
13 years 6 months ago
2008
Springer
Abstract. We study here fundamental issues involved in top-k query evaluation in probabilistic databases. We consider simple probabilistic databases in which probabilities are asso...
ICDE
2008
IEEE
14 years 8 months ago
2008
IEEE
We introduce a novel query type defined over streaming moving object data, namely, the Continuous Motion Pattern (CMP) Queries. A motion pattern is defined as a sequence of distin...
ADBIS
2010
Springer
13 years 8 months ago
2010
Springer
Cardinal directions have turned out to be very important qualitative spatial relations due to their numerous applications in spatial wayfinding, GIS, qualitative spatial reasoning ...
ADBIS
2004
Springer
14 years 4 days ago
2004
Springer
Nowadays, one of the main research issues of great interest is the efficient tracking of mobile objects that enables the effective answering of spatiotemporal queries. This line o...
DEXA
2004
Springer
14 years 3 days ago
2004
Springer
Efficient storage and retrieval of trajectory indexes has become an essential requirement for moving objects databases. The existing 3DR-tree is known to be an effective trajectory...