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» Analysis of the Blocking Behaviour of Schema Transformations...
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EDBT
2006
ACM
106views Database» more  EDBT 2006»
15 years 10 months ago
Online, Non-blocking Relational Schema Changes
A database schema should be able to evolve to reflect changes to the universe it represents. In existing systems, user transactions get blocked during complex schema transformation...
Jørgen Løland, Svein-Olaf Hvasshovd
RIDE
1993
IEEE
15 years 2 months ago
Integration of Relational Databases in a Multidatabase System based on Schema Enrichment
In this paper, we describe a framework for an object-oriented modeling of meta information and its use for the integration of heterogeneous databases with the goal of their intero...
Daniel A. Keim, Hans-Peter Kriegel, Andreas Mieths...
BTW
2007
Springer
236views Database» more  BTW 2007»
15 years 2 months ago
A Classification of Schema Mappings and Analysis of Mapping Tools
: Schema mapping techniques for data exchange have become popular and useful tools both in research and industry. A schema mapping relates a source schema with a target schema via ...
Frank Legler, Felix Naumann
XSYM
2004
Springer
89views Database» more  XSYM 2004»
15 years 3 months ago
A Runtime System for XML Transformations in Java
We show that it is possible to extend a general-purpose programming language with a convenient high-level data-type for manipulating XML documents while permitting (1) precise stat...
Aske Simon Christensen, Christian Kirkegaard, Ande...
EDBT
2008
ACM
120views Database» more  EDBT 2008»
15 years 10 months ago
Schema mapping verification: the spicy way
Schema mapping algorithms rely on value correspondences ? i.e., correspondences among semantically related attributes ? to produce complex transformations among data sources. Thes...
Angela Bonifati, Giansalvatore Mecca, Alessandro P...