556 search results - page 28 / 112 » Evaluation of probabilistic queries in moving objects databa... |
DEXA
2006
Springer
13 years 11 months ago
2006
Springer
Moving range queries over mobile objects are important in many location management applications. There have been quite a few research works in this area. However, all existing solu...
CORR
2012
Springer
12 years 3 months ago
2012
Springer
This paper presents a query evaluation technique for positive relational algebra queries with aggregates on a representation system for probabilistic data based on the algebraic s...
PAKDD
2007
ACM
14 years 1 months ago
2007
ACM
In this paper, we investigate and utilize the characteristic of the group movement of objects to achieve energy conservation in the inherently resource-constrained wireless object ...
SIGMOD
2006
ACM
14 years 7 months ago
2006
ACM
Rapid advancements in positioning systems and wireless communications enable accurate tracking of continuously moving objects. This development poses new challenges to database te...
VLDB
2004
ACM
14 years 22 days ago
2004
ACM
Top-k queries based on ranking elements of multidimensional datasets are a fundamental building block for many kinds of information discovery. The best known general-purpose algor...