153
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VLDB
1995
ACM
15 years 8 months ago
1995
ACM
Previous studies on mining association rules find rules at single concept level, however, mining association rules at multiple concept levels may lead to the discovery of more spe...
144
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VLDB
1995
ACM
15 years 8 months ago
1995
ACM
Several recent trends have changed the usage and users of schemas beyond those of a database administrator’s tool for describing database contents. Distribution of computing pow...
114
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VLDB
1995
ACM
15 years 8 months ago
1995
ACM
We provide several new sampling-based estimators of the number of distinct values of an attribute in a relation. We compare these new estimators to estimators from the database an...
138
click to vote
VLDB
1995
ACM
15 years 8 months ago
1995
ACM
In this paper we introduce generalized projections (GPs), an extension of duplicateeliminating projections, that capture aggregations, groupbys, duplicate-eliminating projections ...
VLDB
1995
ACM
15 years 8 months ago
1995
ACM
