1779 search results - page 140 / 356 » Views in Object-Oriented Databases |
EFDBS
2000
13 years 10 months ago
2000
A main problem of data integration is the treatment of conflicts caused by different modeling of real-world entities, different data models or simply by different representations ...
EDBT
2008
ACM
14 years 9 months ago
2008
ACM
We address the problem of generating a mediated schema from a set of relational data source schemas and conjunctive queries that specify where those schemas overlap. Unlike past a...
WEBDB
1999
Springer
14 years 1 months ago
1999
Springer
We propose a framework for navigation-driven evaluation of virtual mediated views. The approach is based on lazy mediators that translate incoming client navigations on a virtual ...
PVLDB
2008
13 years 8 months ago
2008
Recently, a number of papers have been published showing the benefits of column stores over row stores. However, the research comparing the two in an "apples-to-apples" ...
ICDE
2008
IEEE
14 years 10 months ago
2008
IEEE
We study the problem of auditing a batch of SQL queries: Given a forbidden view of a database that should have been kept confidential, a batch of queries that were posed over this ...