29 search results - page 4 / 6 » Multiple Materialized View Selection for XPath Query Rewriti... |
ICDE
2010
IEEE
14 years 7 months ago
2010
IEEE
A fundamental problem in XML query processing is tree pattern query (TPQ) matching which computes all data instances in an XML database that match an input TPQ. There is a lot of r...
EDBT
2000
ACM
13 years 11 months ago
2000
ACM
OLAP applications use precomputation of aggregate data to improve query response time. While this problem has been well-studied in the recent database literature, to our knowledge ...
ER
2001
Springer
14 years 3 days ago
2001
Springer
A Data Warehouse (DW) can be used to integrate data from multiple distributed data sources. A DW can be seen as a set of materialized views that determine its schema and its conten...
DBKDA
2010
IEEE
14 years 21 days ago
2010
IEEE
Abstract—XML indexing and search has become an important topic, and twig joins are key building blocks in XML search systems. This paper describes a novel approach using a nested...
SIGMOD
2000
ACM
13 years 12 months ago
2000
ACM
We investigate the problem of using materialized views to answer SQL queries. We focus on modern decision-support queries, which involve joins, arithmetic operations and other (po...