29 search results - page 2 / 6 » Multiple Materialized View Selection for XPath Query Rewriti... |
SIGMOD
2001
ACM
14 years 5 months ago
2001
ACM
Materialized views can provide massive improvements in query processing time, especially for aggregation queries over large tables. To realize this potential, the query optimizer ...
DAWAK
1999
Springer
13 years 9 months ago
1999
Springer
A data warehouse DW can be seen as a set of materialized views de ned over remote base relations. When a query is posed, it is evaluated locally, using the materialized views, wi...
ICDE
2009
IEEE
13 years 3 months ago
2009
IEEE
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
VLDB
2005
ACM
13 years 11 months ago
2005
ACM
In this paper, we propose a method for maintaining a semantic cache of materialized XPath views. The cached views include queries that have been previously asked, and additional s...
VLDB
1998
ACM
13 years 9 months ago
1998
ACM
Oracle Materialized Views (MVs) are designed for data warehousing and replication. For data warehousing, MVs based on inner/outer equijoins with optional aggregation, can be refre...