556 search results - page 9 / 112 » Evaluation of probabilistic queries in moving objects databa... |
ICDE
2008
IEEE
14 years 1 months ago
2008
IEEE
We formulate three intuitive semantic properties for topk queries in probabilistic databases, and propose GlobalTopk query semantics which satisfies all of them. We provide a dyn...
SIGMOD
2002
ACM
14 years 6 months ago
2002
ACM
DASFAA
2008
IEEE
13 years 8 months ago
2008
IEEE
The increase in the advanced location based services such as traffic coordination and management necessitates the need for advanced models tracking the positions of Moving Objects ...
SSD
2001
Springer
13 years 11 months ago
2001
Springer
The development of spatiotemporal database systems is primarily motivated by applications tracking and presenting mobile objects. Another important trend is the visualization and p...
Publication
Location-aware environments are characterized by a large number of objects and a large number of continuous queries. Both the objects and continuous queries may change their locati...