720 search results - page 25 / 144 » Temporal Databases |
DEXAW
2000
IEEE
14 years 3 days ago
2000
IEEE
Spatio-temporal databases have been the focus of considerable research activity over a significant period. However, there are as of yet very few prototypes of complete systems, f...
VLDB
2001
ACM
14 years 3 days ago
2001
ACM
Many database applications need accountability and trace-ability that necessitate retaining previous database states. For a transaction-time database supporting this, the choice o...
SAC
2002
ACM
13 years 7 months ago
2002
ACM
We have in a previous paper introduced the new query operators that are needed in order to support an XML query language that supports temporal operations. The query operators mak...
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
We introduce a convoy query that retrieves all convoys from historical trajectories, each of which consists of a set of objects that travelled closely during a certain time period....
ICDE
2008
IEEE
14 years 9 months ago
2008
IEEE
Content-based retrieval of spatio-temporal patterns from human motion databases is inherently nontrivial since finding effective distance measures for such data is difficult. These...