1071 search results - page 7 / 215 » A Data Model for Moving Objects Supporting Aggregation |
KES
2005
Springer
15 years 2 months ago
2005
Springer
Abstract. A mobile robot that interacts with its environment needs a machineunderstandable representation of objects and their usages. We present an ontology of objects, with gener...
CDB
2004
Springer
15 years 2 months ago
2004
Springer
Moving objects are currently represented in databases by means of an explicit representation of their trajectory. However from a physical point of view, or more specifically accor...
182
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ICDE
2003
IEEE
15 years 10 months ago
2003
IEEE
In moving object environments, it is infeasible for the database tracking the movement of objects to store the exact locations of objects at all times. Typically, the location of a...
75
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DMDW
2000
14 years 10 months ago
2000
A common optimization technique in the OLAP application domain is the use of summary aggregate data. For an appropriate support of analysis hot spots, we propose a query based agg...
DOLAP
2005
ACM
14 years 11 months ago
2005
ACM
Data warehouses and OLAP systems help to interactively analyze huge volume of data. This data, extracted from transactional databases, frequently contains spatial information whic...