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CORR
2008
Springer
120views Education» more  CORR 2008»
13 years 4 months ago
XQuery Join Graph Isolation
A purely relational account of the true XQuery semantics can turn any relational database system into an XQuery processor. Compiling nested expressions of the fully compositional X...
Torsten Grust, Manuel Mayr, Jan Rittinger
BMCBI
2008
125views more  BMCBI 2008»
13 years 4 months ago
SNPLims: a data management system for genome wide association studies
Background: Recent progresses in genotyping technologies allow the generation high-density genetic maps using hundreds of thousands of genetic markers for each DNA sample. The ava...
Alessandro Orro, Guia Guffanti, Erika Salvi, Fabio...
APAL
2008
87views more  APAL 2008»
13 years 4 months ago
Characterising nested database dependencies by fragments of propositional logic
We extend the earlier results on the equivalence between the Boolean and the multivalued dependencies in relational databases and fragments of the Boolean propositional logic. It ...
Sven Hartmann, Sebastian Link
COMAD
2009
13 years 5 months ago
Modeling Relational Data as Graphs for Mining
The focus of this paper is to develop algorithms and a framework for modeling transactional data stored in relational database into graphs for mining. Most of the real-world trans...
Subhesh Pradhan, Sharma Chakravarthy, Aditya Telan...
GVD
2003
151views Database» more  GVD 2003»
13 years 5 months ago
Bridging the GAP Between Relational and Native XML Storage with Staircase Join
Several mapping schemes have recently been proposed to store XML data in relational tables. Relational database systems are readily available and can handle vast amounts of data v...
Jens Teubner, Torsten Grust, Maurice van Keulen
DBA
2004
88views Database» more  DBA 2004»
13 years 5 months ago
A Flexible Database Authorization System
In this paper we present an authorization mechanism for a relational database. It allows defining the user privileges exact to a table row. To implement that we used the INSTEAD t...
Bazyli Blicharski, Krzysztof Stencel
DATESO
2004
100views Database» more  DATESO 2004»
13 years 5 months ago
Storage and Retrieval of First Order Logic Terms in a Database
In this paper we present a storage method for sets of first order logic terms in a relational database using function symbols based indexing method of Discrimination trees. This is...
Peter Gurský
SERP
2007
13 years 5 months ago
AppDetector: A Tool Prototype for Visualizing Java Code Dependencies on Relational Databases
- Modern tools have simplified the development of the enterprise applications by bridging gaps across various technologies like file systems, relational databases, messaging, and w...
Sai Ravindran, Paul L. Bergstein
IJCAI
2007
13 years 5 months ago
Change of Representation for Statistical Relational Learning
Statistical relational learning (SRL) algorithms learn statistical models from relational data, such as that stored in a relational database. We previously introduced view learnin...
Jesse Davis, Irene M. Ong, Jan Struyf, Elizabeth S...
IQIS
2007
ACM
13 years 5 months ago
On the performance of one-to-many data transformations
Relational Database Systems often support activities like data warehousing, cleaning and integration. All these activities require performing some sort of data transformations. Si...
Paulo J. F. Carreira, Helena Galhardas, Joã...