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» The Calculus of Algebraic Constructions
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ICDE
1994
IEEE
103views Database» more  ICDE 1994»
15 years 10 months ago
A Multi-Set Extended Relational Algebra - A Formal Approach to a Practical Issue
The relational data model is based on sets of tuples, i.e. it does not allow duplicate tuples in a relation. Many database languages and systems do require multi-set place, the hi...
Paul W. P. J. Grefen, Rolf A. de By
JSS
2010
120views more  JSS 2010»
15 years 28 days ago
Handling communications in process algebraic architectural description languages: Modeling, verification, and implementation
Architectural description languages are a useful tool for modeling complex systems at a high level of abstraction. If based on formal methods, they can also serve for enabling the...
Marco Bernardo, Edoardo Bontà, Alessandro A...
ICFP
2006
ACM
16 years 6 months ago
Algebraic fusion of functions with an accumulating parameter and its improvement
We present a unifying solution to the problem of fusion of functions, where both the producer function and the consumer function have one accumulating parameter. The key idea in t...
Shin-ya Katsumata, Susumu Nishimura
WISE
2002
Springer
15 years 11 months ago
RAL: an Algebra for Querying RDF
To make the World Wide Web machine-understandable there is a strong demand both for languages describing metadata and for languages querying metadata. The Resource Description Fram...
Flavius Frasincar, Geert-Jan Houben, Richard Vdovj...
150
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ESOP
1990
Springer
15 years 10 months ago
Algebraic Properties of Program Integration
The need to integrate several versions of a program into a common one arises frequently, but it is a tedious and time consuming task to merge programs by hand. The program-integrat...
Thomas W. Reps