4397 search results - page 61 / 880 » Relational Algebra Operations |
104
Voted
ACISP
2008
Springer
15 years 7 months ago
2008
Springer
Abstract. Permission-role assignment is an important issue in rolebased access control (RBAC). There are two types of problems that may arise in permission-role assignment. One is ...
94
Voted
AIML
2004
15 years 2 months ago
2004
We are going to show that the standard notion of Kripke completeness is the strongest one among many provably distinct algebraically motivated completeness properties, some of whic...
99
Voted
CORR
2008
Springer
15 years 21 days ago
2008
Springer
A purely relational account of the true XQuery semantics can turn any relational database system into an XQuery processor. Compiling nested expressions of the fully compositional X...
101
Voted
FOSSACS
2008
Springer
15 years 2 months ago
2008
Springer
Abstract. A syntactic framework called SGSOS, for defining well-behaved Markovian stochastic transition systems, is introduced by analogy to the GSOS congruence format for nondeter...
121
click to vote
CAP
2010
14 years 7 months ago
2010
The multiplication of the sparse multivariate polynomials using the recursive representations is revisited to take advantage on the multicore processors. We take care of the memor...