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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 1 months 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...
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