4397 search results - page 254 / 880 » Relational Algebra Operations |
128
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VLDB
1987
ACM
15 years 7 months ago
1987
ACM
Thie paper presents a representation echeme for polyhedral objects in arbitrary dimensions. Each object ie represented as the algebraic sum of convex polyhedra (cells). Each cell ...
134
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PASTE
1998
ACM
15 years 8 months ago
1998
ACM
Concept analysis transforms any relation between ‘lobjects” and “attributes” into a complete lattice. This concept lattice can be studied by algebraic means and offers rem...
160
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JLP
2006
15 years 4 months ago
2006
We present a formal framework for notions related to testing and model based test generation for a behavioural subset of UML Statecharts (UMLSCs). This framework builds, on one ha...
123
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FSS
2010
15 years 2 months ago
2010
The paper considers an early approach toward a (fuzzy) set theory with a graded membership predicate and a graded equality relation which had been developed by the German mathemat...
138
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JCS
2010
15 years 2 months ago
2010
raction of cryptographic operations by term algebras, called Dolev-Yao models, is essential in almost all tool-supported methods for proving security protocols. Recently significa...