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» An Algebra for XML Query
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CORIA
2007
15 years 5 months ago
L'arbre recouvrant dans l'interrogation de documents XML
In this paper, we propose a fuzzy model to querying the XML documents, by taking into account not only the document contents, but also their structure. The concept of minimal size ...
Abdeslame Alilouar
ICDE
2003
IEEE
209views Database» more  ICDE 2003»
16 years 5 months ago
An Evaluation of Regular Path Expressions with Qualifiers against XML Streams
This paper presents SPEX, a streamed and progressive evaluation of regular path expressions with XPath-like qualifiers against XML streams. SPEX proceeds as follows. An expression...
Dan Olteanu, François Bry, Tobias Kiesling
ICDE
2005
IEEE
122views Database» more  ICDE 2005»
15 years 9 months ago
Autonomous Index Optimization in XML Databases
Abstract— Defining suitable indexes is a major task when optimizing a database. Usually, a human database administrator defines a set of indexes in the design phase of the data...
Beda Christoph Hammerschmidt, Martin Kempa, Volker...
ADBIS
2007
Springer
137views Database» more  ADBIS 2007»
15 years 10 months ago
An Object-Oriented Based Algebra for Ontologies and Their Instances
Nowadays, ontologies are used in a lot of diverse research fields. They provide with the capability to describe a huge set of information contents. Therefore, several approaches f...
Stéphane Jean, Yamine Aït Ameur, Guy P...
WISE
2002
Springer
15 years 9 months ago
Optimized Translation of XPath into Algebraic Expressions Parameterized by Programs Containing Navigational Primitives
We propose a new approach for the efficient evaluation of XPath expressions. This is important, since XPath is not only used as a simple, stand-alone query language, but is also ...
Sven Helmer, Carl-Christian Kanne, Guido Moerkotte