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TKDE
2010
189views more  TKDE 2010»
13 years 9 months ago
Projective Distribution of XQuery with Updates
—We investigate techniques to automatically decompose any XQuery query—including updating queries specified by the XQuery Update Facility (XQUF)—into subqueries, that can be ...
Ying Zhang, Nan Tang, Peter A. Boncz
CIKM
2008
Springer
14 years 1 months ago
Pruning nested XQuery queries
We present in this paper an approach for XQuery optimization that exploits minimization opportunities raised in composition-style nesting of queries. More precisely, we consider t...
Bilel Gueni, Talel Abdessalem, Bogdan Cautis, Emma...
ADBIS
2005
Springer
78views Database» more  ADBIS 2005»
14 years 4 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
ICDE
2009
IEEE
153views Database» more  ICDE 2009»
15 years 28 days ago
Efficient Distribution of Full-Fledged XQuery
Abstract-- We investigate techniques to automatically decompose any XQuery query into subqueries, that can be executed near their data sources; i.e., function-shipping. In this sce...
Ying Zhang, Nan Tang, Peter A. Boncz