155 search results - page 9 / 31 » Constructing search spaces for materialized view selection |
VLDB
1999
ACM
13 years 11 months ago
1999
ACM
We present an optimization method and algorithm designed for three objectives: physical data independence, semantic optimization, and generalized tableau minimization. The method ...
WWW
2006
ACM
14 years 8 months ago
2006
ACM
One of the main hurdles towards a wide endorsement of ontologies is the high cost of constructing them. Reuse of existing ontologies offers a much cheaper alternative than buildin...
SIGMOD
2001
ACM
14 years 7 months ago
2001
ACM
We study the problem of generating e cient, equivalent rewritings using views to compute the answer to a query. We take the closed-world assumption, in which views are materialize...
IWANN
2011
Springer
12 years 10 months ago
2011
Springer
In recent years, the increasing interest in fuzzy rough set theory has allowed the definition of novel accurate methods for feature selection. Although their stand-alone applicati...
RSCTC
2000
Springer
13 years 11 months ago
2000
Springer
The main task in decision tree construction algorithms is to find the "best partition" of the set of objects. In this paper, we investigate the problem of optimal binary ...