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» On database query languages for K-relations
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SIGMOD
2003
ACM
162views Database» more  SIGMOD 2003»
14 years 9 months ago
DBGlobe: a service-oriented P2P system for global computing
The challenge of peer-to-peer computing goes beyond simple file sharing. In the DBGlobe project, we view the multitude of peers carrying data and services as a superdatabase. Our ...
Evaggelia Pitoura, Serge Abiteboul, Dieter Pfoser,...
ICDE
2006
IEEE
189views Database» more  ICDE 2006»
14 years 10 months ago
Algebraic Optimization of Nested XPath Expressions
The XPath language incorporates powerful primitives for formulating queries containing nested subexpressions which are existentially or universally quantified. However, even the b...
Matthias Brantner, Carl-Christian Kanne, Guido Moe...
EDBT
2004
ACM
183views Database» more  EDBT 2004»
14 years 9 months ago
XQBE: A Graphical Interface for XQuery Engines
XQuery is increasingly popular among computer scientists with a SQL background, since queries in XQuery and SQL require comparable skills to be formulated. However, the number of ...
Daniele Braga, Alessandro Campi, Stefano Ceri
DEXA
1994
Springer
81views Database» more  DEXA 1994»
14 years 1 months ago
Supporting Information Disclosure in an Evolving Environment
Even if high-level query languages are used, query formulation may cause problems. This is notably so in case of large and complex application domains. Typical examples of these ki...
Arthur H. M. ter Hofstede, Henderik Alex Proper, T...
DBA
2004
140views Database» more  DBA 2004»
13 years 10 months ago
A Tool for Transforming Conceptual Schemas of Spatio-Temporal Databases with Multiple Representation
Nowadays, classical conceptual models (such as ER or UML) are used for designing database applications. These classical conceptual models usually come with associated CASE tools a...
Mohammed Minout, Christine Parent, Esteban Zim&aac...