1779 search results - page 113 / 356 » Views in Object-Oriented Databases |
VLDB
1997
ACM
14 years 1 months ago
1997
ACM
A data warehouse materializes views derived from data that may not reside at the warehouse. Maintaining these views e ciently in response to base updates is di cult, since it may ...
ICDT
2009
ACM
14 years 9 months ago
2009
ACM
A technique called user views has recently been proposed to focus user attention on relevant information in response to provenance queries over workflow executions [1, 2]: Given u...
SIGMOD
1995
ACM
14 years 17 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
2004
ACM
14 years 9 months ago
2004
ACM
The prevalent use of XML highlights the need for a generic, flexible access-control mechanism for XML documents that supports efficient and secure query access, without revealing ...
SSDBM
2006
IEEE
14 years 3 months ago
2006
IEEE
XML has become the standard for data exchange for a wide variety of applications, particularly in the scientific community. In order to efficiently process queries on XML repres...