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» Redundancy, Dependencies and Normal Forms for XML Databases
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ADC
2005
Springer
111views Database» more  ADC 2005»
13 years 9 months ago
Redundancy, Dependencies and Normal Forms for XML Databases
With the advent of XML and its use as a database language, dependency and normal form theory has attracted novel research interest. Several approaches to build up a dependency and...
Klaus-Dieter Schewe
ADC
2005
Springer
124views Database» more  ADC 2005»
13 years 9 months ago
Removing XML Data Redundancies Using Functional and Equality-Generating Dependencies
We study the design issues of data-centric XML documents where (1) there are no mixed contents, i.e., each element may have some subelements and attributes, or it may have a singl...
Junhu Wang, Rodney W. Topor
ICDT
2012
ACM
247views Database» more  ICDT 2012»
11 years 6 months ago
A normal form for preventing redundant tuples in relational databases
We introduce a new normal form, called essential tuple normal form (ETNF), for relations in a relational database where the constraints are given by functional dependencies and jo...
Hugh Darwen, C. J. Date, Ronald Fagin
CAISE
2003
Springer
13 years 8 months ago
Multivalued Dependencies and a 4NF for XML
In this paper we make three main contributions. We firstly define multivalued dependencies in XML (XMVDs) and show that they generalize the definition of a functional dependenc...
Millist W. Vincent, Jixue Liu
DATESO
2008
139views Database» more  DATESO 2008»
13 years 5 months ago
Conceptual Model Based Normalization of XML Views
As the popularity of XML as a format for data representation grows the need for storing XML data in an effective way grows as well. Recent research has provide us with effective so...
Martin Necasky