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» Semantics of Database Transformations
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SIGMOD
2005
ACM
154views Database» more  SIGMOD 2005»
16 years 2 months ago
SHIFT-SPLIT: I/O Efficient Maintenance of Wavelet-Transformed Multidimensional Data
The Discrete Wavelet Transform is a proven tool for a wide range of database applications. However, despite broad acceptance, some of its properties have not been fully explored a...
Mehrdad Jahangiri, Dimitris Sacharidis, Cyrus Shah...
MODELS
2009
Springer
15 years 7 months ago
On-the-Fly Construction, Correctness and Completeness of Model Transformations Based on Triple Graph Grammars
Triple graph grammars (TGGs) are a formal and intuitive concept for the specification of model transformations. Their main advantage is an automatic derivation of operational rule...
Hartmut Ehrig, Claudia Ermel, Frank Hermann, Ulrik...
IFM
1999
Springer
15 years 6 months ago
Integration Problems in Telephone Feature Requirements
The feature interaction problem is prominent in telephone service development. Through a number of case studies, we have discovered that no single semantic framework is suitable f...
J. Paul Gibson, Geoff Hamilton, Dominique Mé...
DBPL
2001
Springer
133views Database» more  DBPL 2001»
15 years 7 months ago
A Theory of Spatio-Temporal Database Queries
Abstract. We address a fundamental question concerning spatio-temporal database systems: “What are exactly spatio-temporal queries?” We define spatio-temporal queries to be co...
Floris Geerts, Sofie Haesevoets, Bart Kuijpers
DBPL
1987
Springer
113views Database» more  DBPL 1987»
15 years 6 months ago
Orderings and Types in Databases
This paper investigates a method to represent database objects as typed expressions in programming languages. A simple typed language supporting non-flat records, higher-order rel...
Atsushi Ohori