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» Using UML to model relational database operations
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DFG
2004
Springer
15 years 9 months ago
Executable HybridUML and Its Application to Train Control Systems
Abstract. In this paper, the authors introduce an extension of UML for the purpose of hybrid systems modeling. The construction uses the profile mechanism of UML 2.0 which is the ...
Kirsten Berkenkötter, Stefan Bisanz, Ulrich H...
VLDB
2002
ACM
141views Database» more  VLDB 2002»
16 years 4 months ago
Data page layouts for relational databases on deep memory hierarchies
Relational database systems have traditionally optimized for I/O performance and organized records sequentially on disk pages using the N-ary Storage Model (NSM) (a.k.a., slotted ...
Anastassia Ailamaki, David J. DeWitt, Mark D. Hill
ISMIS
2003
Springer
15 years 9 months ago
NETMARK: A Schema-Less Extension for Relational Databases for Managing Semi-structured Data Dynamically
Object-Relational database management system is an integrated hybrid cooperative approach to combine the best practices of both the relational model utilizing SQL queries and the ...
David A. Maluf, Peter B. Tran
ICECCS
2006
IEEE
90views Hardware» more  ICECCS 2006»
15 years 10 months ago
A Type System for the Relational Calculus of Object Systems
Being a successful technique in software practice, Object Orientation (OO) is a hot topic in academic research fields. Among many formalisms, rCOS, a refinement calculus of obje...
Liang Zhao, Xiangpeng Zhao, Quan Long, Zongyan Qiu
VLDB
2008
ACM
148views Database» more  VLDB 2008»
16 years 4 months ago
Purpose based access control for privacy protection in relational database systems
Abstract In this article, we present a comprehensive approach for privacy preserving access control based on the notion of purpose. In our model, purpose information associated wit...
Ji-Won Byun, Ninghui Li