82 search results - page 10 / 17 » Rewriting nested XML queries using nested views |
PODS
2010
ACM
15 years 4 months ago
2010
ACM
This paper approaches the incremental view maintenance problem from an algebraic perspective. We construct a ring of databases and use it as the foundation of the design of a quer...
CIKM
2001
Springer
15 years 4 months ago
2001
Springer
Using materialized view to accelerate OLAP queries is one of the most common methods used in ROLAP systems. However, high storage and computation cost make this method very diffic...
ER
2006
Springer
15 years 3 months ago
2006
Springer
Statistical summaries in relational databases mainly focus on the distribution of data values and have been found useful for various applications, such as query evaluation and data...
ICDE
2010
IEEE
15 years 11 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...
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PVLDB
2008
14 years 10 months ago
2008
Queries, or calls to stored procedures/user-defined functions are often invoked multiple times, either from within a loop in an application program, or from the where/select claus...