581 search results - page 3 / 117 » Incremental View Maintenance |
VLDB
1998
ACM
14 years 20 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...
VLDB
1991
ACM
13 years 12 months ago
1991
ACM
It is widely recognized that production rules in database systems can be used to automatically maintain derived data such as views. However, writing a correct set of rules for e ci...
DBPL
1997
Springer
14 years 19 days ago
1997
Springer
Previous research on materialized views has primarily been in the context of flat relational databases--materialized views defined in terms of one or more flat relations. This pape...
ICDE
2005
IEEE
14 years 9 months ago
2005
IEEE
Data warehousing and on-line analytical processing (OLAP) are essential for decision support applications. Common OLAP operations include for example drill down, roll up, pivot an...
SIGMOD
1995
ACM
14 years 7 hour 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...