1430 search results - page 29 / 286 » Query operations for moving objects database systems |
ER
2007
Springer
14 years 22 days ago
2007
Springer
The paper presents an unified Description Logic (DL) model for databases. Describing database models using DLs is a fundamental problem in many areas because it turns databases to...
CIKM
1994
Springer
14 years 27 days ago
1994
Springer
This paper argues that most queries in object-oriented databases require traversing from one object to another in the aggregation hierarchy. Thus, the connections between objects ...
ICSE
2005
IEEE-ACM
14 years 9 months ago
2005
IEEE-ACM
When building scalable systems that involve general-purpose computation and persistent data, object-oriented languages and relational databases are often essential components. Yet...
SIGMOD
2006
ACM
14 years 9 months ago
2006
ACM
We present our prototype system, OMCAT, which optimizes the reevaluation of a set of pending continuous spatio-temporal queries on trajectory data, when some of the trajectories a...
ADBIS
2004
Springer
14 years 2 months ago
2004
Springer
Many geographical applications deal with spatial objects that cannot be adequately described by determinate, crisp concepts because of their intrinsically indeterminate and vague n...