4397 search results - page 51 / 880 » Relational Algebra Operations |
IJCAI
1997
13 years 9 months ago
1997
We characterise the set of subalgebras of Allen's algebra which have a tractable satisfiability problem, and in addition contain certain basic relations. The conclusion is th...
FLAIRS
2007
13 years 10 months ago
2007
In this paper we shall introduce an approach that forms a basis for temporal data mining. A relation algebra is applied for the purpose of representing simultaneously dependencies...
EUROPAR
1997
Springer
13 years 12 months ago
1997
Springer
Abstract. We present a relational algebra based framework for compiling e cient sparse matrix code from dense DO-ANY loops and a speci cation of the representation of the sparse ma...
LICS
2006
IEEE
14 years 1 months ago
2006
IEEE
In this paper we show that the Stone representation theorem for Boolean algebras can be generalized to combinatory algebras. In every combinatory algebra there is a Boolean algebr...
TIT
2008
13 years 7 months ago
2008
Abstract. The recent algebraic attacks have received a lot of attention in cryptographic literature. The algebraic immunity of a Boolean function quantifies its resistance to the s...