4397 search results - page 25 / 880 » Relational Algebra Operations |
EUROCRYPT
2006
Springer
13 years 11 months ago
2006
Springer
In this paper we propose several efficient algorithms for assessing the resistance of Boolean functions against algebraic and fast algebraic attacks when implemented in LFSRbased s...
PODS
1999
ACM
13 years 12 months ago
1999
ACM
We give a polymorphic account of the relational algebra. We introduce a formalism of \type formulas" speci cally tuned for relational algebra expressions, and present an algo...
SIGMOD
2010
ACM
14 years 13 days ago
2010
ACM
Spreadsheets are among the most commonly used applications for data management and analysis. Perhaps they are even among the most widely used computer applications of all kinds. H...
CAI
2011
Springer
12 years 11 months ago
2011
Springer
Abstract. The concatenation product is one of the most important operations on regular languages. Its study requires sophisticated tools from algebra, finite model theory and pro...
ER
2007
Springer
13 years 11 months ago
2007
Springer
The paper presents an unified Description Logic (DL) model for databases. Describing database models using DLs is a fundamental problem in many areas because it turns databases to...