641 search results - page 32 / 129 » Temporal Queries in OLAP |
141
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DOLAP
2003
ACM
15 years 9 months ago
2003
ACM
The data cube operator exemplifies two of the most important aspects of OLAP queries: aggregation and dimension hierarchies. In earlier work we presented Dwarf, a highly compress...
135
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ICDE
1997
IEEE
15 years 8 months ago
1997
IEEE
In this paper we propose a data model for representing moving objects in database systems. It is called the Moving Objects Spatio-Temporal (MOST) data model. We also propose Futur...
127
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DEXAW
2004
IEEE
15 years 7 months ago
2004
IEEE
In order to obtain a suitable model of the universe of discourse of some information systems, it is important to allow the description of imprecise objects with temporal indetermi...
123
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TIME
1997
IEEE
15 years 8 months ago
1997
IEEE
Temporal databases provide built-in supports for efficient recording and querying of time-evolving data. In this paper, data clustering issues in temporal database environment are...
138
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VDB
2000
15 years 5 months ago
2000
In this paper we propose a visual interface for the specification of predicates to be used in queries on spatio-temporal databases. The approach is based on a visual specification ...