40 search results - page 2 / 8 » Materialized View Selection and Maintenance Using Multi-Quer... |
SIGMOD
1999
ACM
13 years 9 months ago
1999
ACM
Pre-computation and materialization of views with aggregate functions is a common technique in Data Warehouses. Due to the complex structure of the warehouse and the different pro...
DMDW
2000
13 years 6 months ago
2000
As views in a data warehouse become more complex, the view maintenance process can become very complicated and potentially very inefficient. Storing auxiliary views in the warehou...
VLDB
1997
ACM
13 years 9 months ago
1997
ACM
Selecting views to materialize is one of the most important decisions in designing a data warehouse. In this paper, we present a framework for analyzing the issues in selecting vi...
WWW
2005
ACM
13 years 10 months ago
2005
ACM
This paper proposes an incremental maintenance algorithm that efficiently updates the materialized XPath/XSLT views defined using XPath expressions in XP{[],∗,//,vars} . The al...
DKE
1999
13 years 4 months ago
1999
A Data Warehouse DW is a database that collects and stores data from multiple remote and heterogeneous information sources. When a query is posed, it is evaluated locally, without...