347 search results - page 61 / 70 » The Next Database Revolution |
SACMAT
2010
ACM
13 years 12 months ago
2010
ACM
There has been increasing interest in automatic techniques for generating roles for role based access control, a process known as role mining. Most role mining approaches assume t...
PODS
1999
ACM
13 years 12 months ago
1999
ACM
Query optimizers rely on fast, high-quality estimates of result sizes in order to select between various join plans. Selfjoin sizes of relations provide bounds on the join size of...
VLDB
1999
ACM
13 years 12 months ago
1999
ACM
A data-driven approach can be fruitfully used in the speci cation and automatic generation of data-intensive Web applications, i.e., applications which make large amounts of data ...
SIGMOD
1997
ACM
13 years 12 months ago
1997
ACM
Materialized views and view maintenance are becoming increasingly important in practice. In order to satisfy different data currency and performance requirements, a number of view...
VLDB
1997
ACM
13 years 11 months ago
1997
ACM
R-tree based spatial join is useful because of both its superior performance and the wide spread implementation of R-trees. We present a new R-tree join method called BFRJ (Breadt...