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IDEAS
2005
IEEE
101views Database» more  IDEAS 2005»
13 years 9 months ago
Rewriting-Based Optimization for XQuery Transformational Queries
The modern XML query language called XQuery includes advanced facilities both to query and to transform XML data. An XQuery query optimizer should be able to optimize any query. F...
Maxim Grinev, Peter Pleshachkov
ADBIS
2005
Springer
78views Database» more  ADBIS 2005»
13 years 9 months ago
Schema-based Query Optimization for XQuery Queries
XQuery is widely used for querying XML documents. Within this paper, we examine optimization rules for XQuery queries that exploit type information of the input XML document given ...
Sven Groppe, Stefan Böttcher
BNCOD
2007
137views Database» more  BNCOD 2007»
13 years 5 months ago
Isolating Order Semantics in Order-Sensitive XQuery-to-SQL Translation
Order is essential for XML query processing. Efficient XML processing with order consideration over relational storage is non-trivial, especially for complex nested XQuery expressi...
Song Wang, Ling Wang, Elke A. Rundensteiner
XSYM
2007
Springer
123views Database» more  XSYM 2007»
13 years 9 months ago
Let a Single FLWOR Bloom
To globally optimize execution plans for XQuery expressions, a plan generator must generate and compare plan alternatives. In proven compiler architectures, the unit of plan genera...
Matthias Brantner, Carl-Christian Kanne, Guido Moe...
ICDE
2009
IEEE
157views Database» more  ICDE 2009»
13 years 1 months ago
Query Rewrites with Views for XML in DB2
There is much effort to develop comprehensive support for the storage and querying of XML data in database management systems. The major developers have extended their systems to h...
Parke Godfrey, Jarek Gryz, Andrzej Hoppe, Wenbin M...