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CORR
2011
Springer
183views Education» more  CORR 2011»
13 years 5 months ago
Pattern tree-based XOLAP rollup operator for XML complex hierarchies
—With the rise of XML as a standard for representing business data, XML data warehousing appears as a suitable solution for decision-support applications. In this context, it is ...
Marouane Hachicha, Jérôme Darmont
SIGMOD
2011
ACM
249views Database» more  SIGMOD 2011»
13 years 24 days ago
ProApproX: a lightweight approximation query processor over probabilistic trees
We demonstrate a system for querying probabilistic XML documents with simple XPath queries. A user chooses between a variety of query answering techniques, both exact and approxim...
Pierre Senellart, Asma Souihli
WEBDB
2010
Springer
208views Database» more  WEBDB 2010»
13 years 7 months ago
XML-Based RDF Data Management for Efficient Query Processing
The Semantic Web, which represents a web of knowledge, offers new opportunities to search for knowledge and information. To harvest such search power requires robust and scalable ...
Mo Zhou, Yuqing Wu
COOPIS
2002
IEEE
14 years 3 months ago
Querying XML Sources Using an Ontology-Based Mediator
In this paper we propose a mediator architecture for the querying and integration of Web-accessible XML data sources. Our contributions are (i) the definition of a simple but expr...
Bernd Amann, Catriel Beeri, Irini Fundulaki, Miche...
GVD
2001
142views Database» more  GVD 2001»
13 years 11 months ago
An approach to the model-based fragmentation and relational storage of XML-documents
A flexible method to store XML documents in relational or object-relational databases is presented that is based on an adaptable fragmentation. Whereas most known approaches decom...
Christian Süß