2080 search results - page 17 / 416 » Collections, Cardinalities, and Relations |
107
Voted
DAM
2011
14 years 8 months ago
2011
We present a collection of new structural, algorithmic, and complexity results for two types of matching problems. The first problem involves the computation of k-maximal matchin...
202
Voted
ICDE
2006
IEEE
16 years 3 months ago
2006
IEEE
Database columns are often correlated, so that cardinality estimates computed by assuming independence often lead to a poor choice of query plan by the optimizer. Multidimensional...
185
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SIGMOD
2007
ACM
16 years 2 months ago
2007
ACM
Commercial enterprise data warehouses are typically implemented on parallel databases due to the inherent scalability and performance limitation of a serial architecture. Queries ...
88
Voted
SIGMOD
2002
ACM
16 years 2 months ago
2002
ACM
Relational query optimizers have traditionally relied upon table cardinalities when estimating the cost of the query plans they consider. While this approach has been and continue...
APAL
2007
15 years 2 months ago
2007
It is possible to control to a large extent, via semiproper forcing, the parameters (β0, β1) measuring the guessing density of the members of any given antichain of stationary s...