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» Elementary Sets of Logic Programs
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JSYML
2000
69views more  JSYML 2000»
13 years 5 months ago
Topological Elementary Equivalence of Closed Semi-Algebraic Sets in The Real Plane
We investigate topological properties of subsets S of the real plane, expressed by first-order logic sentences in the language of the reals augmented with a binary relation symbol...
Bart Kuijpers, Jan Paredaens, Jan Van den Bussche
JISBD
2003
13 years 6 months ago
Using Contextual Logic Programming for Temporal Reasoning
The importance of temporal representation and reasoning is well known to the database community. Examples of such significance are the languages TSQL2 and its follow up, SQL/Tempo...
Vítor Nogueira, Salvador Abreu, Gabriel Dav...
POPL
2000
ACM
13 years 9 months ago
(Optimal) Duplication is not Elementary Recursive
In 1998 Asperti and Mairson proved that the cost of reducing a lambda-term using an optimal lambda-reducer (a la L´evy) cannot be bound by any elementary function in the number o...
Andrea Asperti, Paolo Coppola, Simone Martini
CADE
2001
Springer
14 years 5 months ago
Hilberticus - A Tool Deciding an Elementary Sublanguage of Set Theory
We present a tool deciding a fragment of set theory. It is designed to be easily accessible via the internet and intuitively usable by anyone who is working with sets to describe a...
Jörg Lücke