606 search results - page 1 / 122 » Algebras and Update Strategies |
JUCS
2010
13 years 3 months ago
2010
: The classical (Bancilhon-Spyratos) correspondence between view update translations and views with a constant complement reappears more generally as the correspondence between upd...
IDEAS
2009
IEEE
13 years 11 months ago
2009
IEEE
This paper is concerned with a transformation-based approach to update propagation in an extended version of Codd’s relational algebra which allows for defining derived relatio...
PODS
1995
ACM
13 years 8 months ago
1995
ACM
d abstract Marc Andries, Leiden University Luca Cabibbo, University of Romey Jan Paredaens, University of Antwerpz Jan Van den Bussche, INRIAx In the context of object databases...
TOMS
2008
13 years 4 months ago
2008
We show how to compute an LU factorization of a matrix when the factors of a leading principle submatrix are already known. The approach incorporates pivoting akin to partial pivo...
AMAST
2008
Springer
13 years 6 months ago
2008
Springer
The algebraic specification of information systems (including