1779 search results - page 118 / 356 » Views in Object-Oriented Databases |
SACMAT
2005
ACM
14 years 2 months ago
2005
ACM
We investigate a generalization of the notion of XML security view introduced by Stoica and Farkas [17] and later refined by Fan et al. [8]. The model consists of access control ...
ER
2004
Springer
14 years 2 months ago
2004
Springer
Updates over virtual XML views that wrap the relational data have not been well supported by current XML data management systems. This paper studies the problem of the existence of...
EDBTW
2010
Springer
14 years 2 months ago
2010
Springer
We study the problem of update propagation across views in the setting where both the view and the source database are XML documents. We consider a simple class of XML views that ...
CAISE
1999
Springer
14 years 1 months ago
1999
Springer
Abstract. A global Data warehouse (DW) integrates data from multiple distributed heterogeneous databases and other information sources. DW can be abstractly seen as a set of materi...
EDBT
2009
ACM
14 years 1 months ago
2009
ACM
A view selection algorithm takes as input a fact table and computes a set of views to store in order to speed up queries. The performance of view selection algorithm is usually me...