2715 search results - page 411 / 543 » Database Publication Practices |
132
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DEXAW
1998
IEEE
15 years 9 months ago
1998
IEEE
Materialized views offer opportunities for significant performance gain in query evaluation by providing fast access to pre-computed data. The question of when and how to use a ma...
121
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PAKDD
1999
ACM
15 years 9 months ago
1999
ACM
Association rules are a class of important regularities in databases. They are found to be very useful in practical applications. However, the number of association rules discovere...
214
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PODS
1997
ACM
15 years 9 months ago
1997
ACM
In this paper, we present a new cost model for nearest neighbor search in high-dimensional data space. We first analyze different nearest neighbor algorithms, present a generaliza...
127
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SIGMOD
1996
ACM
15 years 9 months ago
1996
ACM
This paper introduces bifocal sampling, a new technique for estimating the size of an equi-join of two relations. Bifocal sampling classi es tuples in each relation into two group...
122
Voted
VLDB
1997
ACM
15 years 9 months ago
1997
ACM
The cpquantile of an ordered sequenceof data values is the element with rank ‘pn, where n is the total number of values. Accurate estimates of quantiles are required for the sol...