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» Answering XML Queries on Heterogeneous Data Sources
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BXML
2003
13 years 10 months ago
Querying transformed XML documents: Determining a sufficient fragment of the original document
Large XML documents which are stored in an XML database can be transformed further by an XSL processor using an XSLT stylesheet. In order to answer an XPath query based on the tran...
Sven Groppe, Stefan Böttcher
ADBIS
2006
Springer
131views Database» more  ADBIS 2006»
14 years 2 months ago
X-Warehousing: An XML-Based Approach for Warehousing Complex Data
XML is suitable for structuring complex data coming from different sources and supported by heterogeneous formats. It allows a flexible formalism capable to represent and store d...
Omar Boussaid, Riadh Ben Messaoud, Rémy Cho...
SIGMOD
2004
ACM
199views Database» more  SIGMOD 2004»
14 years 8 months ago
Approximate XML Query Answers
The rapid adoption of XML as the standard for data representation and exchange foreshadows a massive increase in the amounts of XML data collected, maintained, and queried over th...
Neoklis Polyzotis, Minos N. Garofalakis, Yannis E....
IDEAS
2007
IEEE
118views Database» more  IDEAS 2007»
14 years 2 months ago
A Two Layered Approach for Querying Integrated XML Sources
The problem of data integration (query decomposition, data fragmentation) has been widely studied in literature, but the inherent hierarchical nature of XML data presents problems...
Felipe Victolla Silveira, Carlos A. Heuser
DEXAW
2007
IEEE
124views Database» more  DEXAW 2007»
14 years 17 days ago
XML Query Optimisation: Specify your Selectivity
The problem of efficiently evaluating XPath and XQuery queries has become increasingly significant since more and more XML data is stored in its native form. We propose a novel op...
Sven Hartmann, Sebastian Link