34 search results - page 1 / 7 » Optimizing the incremental maintenance of multiple join view... |
DOLAP
2005
ACM
13 years 6 months ago
2005
ACM
Materialized views are nowadays commonly used in the data warehouse environment. Materialized views need to be updated when data sources change. Since the update of the views may ...
SIGMOD
1996
ACM
13 years 8 months ago
1996
ACM
We investigate the problem of incremental maintenance of an SQL view in the face of database updates, and show that it is possible to reduce the total time cost of view maintenanc...
ICDE
2005
IEEE
14 years 5 months ago
2005
IEEE
Maintaining materialized views that have join conditions between arbitrary pairs of data sources possibly with cycles is critical for many applications. In this work, we model vie...
IS
2006
13 years 4 months ago
2006
Views stored in a data warehouse need to be kept current. As recomputing the views is very expensive, incremental maintenance algorithms are required. Over recent years, several i...
WWW
2005
ACM
13 years 10 months ago
2005
ACM
This paper proposes an incremental maintenance algorithm that efficiently updates the materialized XPath/XSLT views defined using XPath expressions in XP{[],∗,//,vars} . The al...