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» Semantics of Database Transformations
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KBSE
2009
IEEE
15 years 10 months ago
A Petri Net Based Debugging Environment for QVT Relations
—In the Model-Driven Architecture (MDA) paradigm the Query/View/Transformation (QVT) standard plays a vital role for model transformations. Especially the high-level declarative ...
Manuel Wimmer, Gerti Kappel, Johannes Schönb&...
POPL
1995
ACM
15 years 7 months ago
Monad Transformers and Modular Interpreters
We show how a set of building blocks can be used to construct programming language interpreters, and present implementations of such building blocks capable of supporting many com...
Sheng Liang, Paul Hudak, Mark P. Jones
TCAD
2008
90views more  TCAD 2008»
15 years 4 months ago
Application and Verification of Local Nonsemantic-Preserving Transformations in System Design
Due to the increasing abstraction gap between the initial system model and a final implementation, the verification of the respective models against each other is a formidable task...
Tarvo Raudvere, Ingo Sander, Axel Jantsch
DEXA
2005
Springer
110views Database» more  DEXA 2005»
15 years 9 months ago
Intensional Encapsulations of Database Subsets via Genetic Programming
Finding intensional encapsulations of database subsets is the inverse of query evaluation. Whereas query evaluation transforms an intensional expression (the query) to its extensi...
Aybar C. Acar, Amihai Motro
TIME
2000
IEEE
15 years 8 months ago
Towards a Theory of Movie Database Queries
We present a data model for movies and movie databases. A movie is considered to be a 2-dimensional semialgebraic figure that can change in time. We give a number of computabilit...
Bart Kuijpers, Jan Paredaens, Dirk Van Gucht