229 search results - page 3 / 46 » Materialized View Maintenance Using Version Numbers |
SIGMOD
1995
ACM
14 years 2 days ago
1995
ACM
We study the problem of e cient maintenance of materialized views that may contain duplicates. This problem is particularly important when queries against such views involve aggre...
SIGMOD
1996
ACM
14 years 20 days 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...
VLDB
1998
ACM
14 years 22 days ago
1998
ACM
Semistructured data is not strictly typed like relational or object-oriented data and may be irregular or incomplete. It often arises in practice, e.g., when heterogeneous data so...
WWW
2005
ACM
14 years 2 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...
ICDE
2007
IEEE
14 years 10 months ago
2007
IEEE
A conventional materialized view blindly materializes and maintains all rows of a view, even rows that are never accessed. We propose a more flexible materialization strategy aime...