186 search results - page 26 / 38 » Queries and materialized views on probabilistic databases |
104
Voted
VLDB
1995
ACM
15 years 4 months ago
1995
ACM
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
EDBT
1998
ACM
15 years 4 months ago
1998
ACM
An importantuse of data warehousing is to provide temporal views over the history of source data that may itself be non-temporal. While recent work in view maintenance is applicab...
108
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SIGMOD
1995
ACM
15 years 4 months ago
1995
ACM
A warehouse is a repository of integrated information drawn from remote data sources. Since a warehouse e ectively implements materialized views, we must maintain the views as the...
196
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ICDE
2001
IEEE
16 years 1 months ago
2001
IEEE
We consider the problems of computing aggregation queries in temporal databases, and of maintaining materialized temporal aggregate views efficiently. The latter problem is partic...
SSDBM
2005
IEEE
15 years 6 months ago
2005
IEEE
In this paper we present a number of techniques that can be at the basis of a practical integration tool for multidimensional databases. We start by addressing the basic issue of ...