556 search results - page 33 / 112 » Evaluation of probabilistic queries in moving objects databa... |
VLDB
1994
ACM
13 years 11 months ago
1994
ACM
A new type of optimization, called predicate move-around, ia introduced. It is shown how this optimization `considerably improvea the efficiency of evaluating SQL queries that hav...
GIS
2008
ACM
14 years 8 months ago
2008
ACM
We report on our experience from design and implementation of a powerful map application for managing, querying and visualizing evolving locations of moving objects. Instead of bu...
DEXA
1999
Springer
13 years 11 months ago
1999
Springer
In this paper, a new indexing technique to support the query evaluation in document databases is proposed. The key idea of the method is the combination of the technique of pat-tre...
KDD
2010
ACM
13 years 11 months ago
2010
ACM
Periodicity is a frequently happening phenomenon for moving objects. Finding periodic behaviors is essential to understanding object movements. However, periodic behaviors could b...
PODS
2007
ACM
14 years 7 months ago
2007
ACM
Many applications today need to manage large data sets with uncertainties. In this paper we describe the foundations of managing data where the uncertainties are quantified as pro...