1071 search results - page 150 / 215 » A Data Model for Moving Objects Supporting Aggregation |
135
Voted
ER
2007
Springer
15 years 10 months ago
2007
Springer
Schema mappings come in different flavors: simple correspondences are produced by schema matchers, intensional mappings are used for schema integration. However, the execution of ...
152
Voted
VISUALIZATION
2002
IEEE
15 years 8 months ago
2002
IEEE
Typically 3-D MR and CT scans have a relatively high resolution in the scanning X;Y plane, but much lower resolution in the axial Z direction. This non-uniform sampling of an obje...
146
Voted
PODC
2006
ACM
15 years 9 months ago
2006
ACM
We study the problem of maintaining sketches of recent elements of a data stream. Motivated by applications involving network data, we consider streams that are asynchronous, in w...
131
Voted
ENVSOFT
2006
15 years 3 months ago
2006
Models are increasingly being relied upon to inform and support natural resource management. They are incorporating an ever broader range of disciplines and now often confront peo...
211
click to vote
ICDE
2003
IEEE
16 years 5 months ago
2003
IEEE
We present a valid-time extension of SQL and investigate its efficient implementation on an Object-Relational database system. We propose an approach where temporal queries are ex...