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» An Algebra for XML Query
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EDBT
2006
ACM
177views Database» more  EDBT 2006»
16 years 4 months ago
Authorization-Transparent Access Control for XML Under the Non-Truman Model
In authorization-transparent access control, users formulate their queries against the database schema rather than against authorization views that transform and hide data. The Tru...
Alberto O. Mendelzon, Renée J. Miller, Yaro...
120
Voted
HICSS
2002
IEEE
130views Biometrics» more  HICSS 2002»
15 years 9 months ago
A Set Theory Based Approach on Applying Domain Semantics to XML Structures
As XML is gathering more and more importance in the field of data interchange in distributed business to business (B2B) applications, it is increasingly important to provide a for...
Wolfgang Schuetzelhofer, Karl M. Göschka
SBBD
2004
133views Database» more  SBBD 2004»
15 years 5 months ago
Query Processing in ROSA Data Model
Learning Content Management Systems (LCMS) store and manage e-learning content and play an important role in the development of Distance Learning technology. ROSA (Repository of O...
Fábio Coutinho, Fabio Porto
ICDE
2006
IEEE
119views Database» more  ICDE 2006»
16 years 5 months ago
Laws for Rewriting Queries Containing Division Operators
Relational division, also known as small divide, is a derived operator of the relational algebra that realizes a many-to-one set containment test, where a set is represented as a ...
Ralf Rantzau, Christoph Mangold
DBPL
1991
Springer
98views Database» more  DBPL 1991»
15 years 7 months ago
Structural Recursion as a Query Language
We propose a programming paradigm that tries to get close to both the semantic simplicity of relational algebra, and the expressive power of unrestricted programming languages. It...
Val Tannen, Peter Buneman, Shamim A. Naqvi