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» Symmetrically exploiting XML
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IC
2007
13 years 11 months ago
Native Temporal Slicing Support for XML Databases
Abstract XML databases, providing structural querying support, are becoming more and more popular. As we know, XML data may change over time and providing an efficient support to q...
Federica Mandreoli, Riccardo Martoglia, Enrico Ron...
DAM
2007
84views more  DAM 2007»
13 years 10 months ago
Estimates of covering numbers of convex sets with slowly decaying orthogonal subsets
Covering numbers of precompact symmetric convex subsets of Hilbert spaces are investigated. Lower bounds are derived for sets containing orthogonal subsets with norms of their ele...
Vera Kurková, Marcello Sanguineti
ADBIS
2005
Springer
78views Database» more  ADBIS 2005»
14 years 3 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
DEXA
2006
Springer
118views Database» more  DEXA 2006»
14 years 1 months ago
Using an Oracle Repository to Accelerate XPath Queries
One of the problems associated with XML databases is the poor performance of XPath queries. Although this has attracted much attention by the research community, solutions are eith...
Colm Noonan, Cian Durrigan, Mark Roantree
IJWET
2008
98views more  IJWET 2008»
13 years 10 months ago
Warehousing complex data from the web
: Data warehousing and Online Analytical Processing (OLAP) technologies are now moving onto handling complex data that mostly originate from the web. However, integrating such data...
Omar Boussaid, Jérôme Darmont, Fadila...