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DBWORKSHOPS
1990
13 years 8 months ago
Relational Algebra Operations
Kjell Bratbergsengen
ENTCS
2006
273views more  ENTCS 2006»
13 years 7 months ago
Operator Algebras and the Operational Semantics of Probabilistic Languages
We investigate the construction of linear operators representing the semantics of probabilistic programming languages expressed via probabilistic transition systems. Finite transi...
Alessandra Di Pierro, Herbert Wiklicky
DAM
2008
125views more  DAM 2008»
13 years 7 months ago
Heyting algebras with Boolean operators for rough sets and information retrieval applications
This paper presents an algebraic formalism for reasoning on finite increasing sequences over Boolean algebras in general and on generalizations of Rough Set concepts in particular...
Eric SanJuan
DBPL
2007
Springer
91views Database» more  DBPL 2007»
14 years 1 months ago
Relational Completeness of Query Languages for Annotated Databases
Annotated relational databases can be queried either by simply making the annotations explicitly available along the ordinary data, or by adapting the standard query operators so ...
Floris Geerts, Jan Van den Bussche
JLP
2011
160views more  JLP 2011»
13 years 2 months ago
Axiomatizability of representable domain algebras
The family of domain algebras provide an elegant formal system for automated reasoning about programme verification. Their primary models are algebras of relations, viz. represen...
Robin Hirsch, Szabolcs Mikulás