253 search results - page 33 / 51 » Close pair queries in moving object databases |
SSDBM
2006
IEEE
15 years 5 months ago
2006
IEEE
In many modern applications, there are no exact values available to describe the data objects. Instead, the feature values are considered to be uncertain. This uncertainty is mode...
159
click to vote
SIGMOD
2004
ACM
15 years 12 months ago
2004
ACM
Database system architectures are undergoing revolutionary changes. Most importantly, algorithms and data are being unified by integrating programming languages with the database ...
DBPL
1991
Springer
15 years 3 months ago
1991
Springer
We propose a programming paradigm that tries to get close to both the semantic simplicity of relational algebra, and the expressive power of unrestricted programming languages. It...
105
click to vote
MDM
2007
Springer
15 years 5 months ago
2007
Springer
This work tackles the problem of answer-aggregation for continuous spatio-temporal range queries in distributed settings. We assume a grid-like coverage of the spatial universe of...
EDBT
2009
ACM
15 years 6 months ago
2009
ACM
This work addresses the problem of processing continuous nearest neighbor (NN ) queries for moving objects trajectories when the exact position of a given object at a particular t...