4397 search results - page 29 / 880 » Relational Algebra Operations |
CADE
2005
Springer
14 years 8 months ago
2005
Springer
We describe an algorithm for deciding the first-order multisorted theory BAPA, which combines 1) Boolean algebras of sets of uninterpreted elements (BA) and 2) Presburger arithmeti...
JAR
2006
13 years 7 months ago
2006
We describe an algorithm for deciding the first-order multisorted theory BAPA, which combines 1) Boolean algebras of sets of uninterpreted elements (BA) and 2) Presburger arithmeti...
ICDT
1997
ACM
13 years 11 months ago
1997
ACM
Abstract. The goal of this paper is to study tractable iteration mechanisms for bags. The presence of duplicates in bags prevents iteration mechanisms developed in the context of s...
ICALP
2010
Springer
13 years 5 months ago
2010
Springer
In this paper, we focus our attention on the fragment of Halpern and Shoham's modal logic of intervals (HS) that features four modal operators corresponding to the relations &...
CP
2000
Springer
13 years 11 months ago
2000
Springer
We are interested in the expressiveness of constraints represented by general first order formulae, with equality as unique relation symbol and function symbols taken from an infi...