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» Disjunctive Bottom Set and Its Computation
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ICLP
2003
Springer
14 years 4 months ago
Computing Minimal Models, Stable Models, and Answer Sets
We propose and study algorithms for computing minimal models, stable models and answer sets of 2- and 3-CNF theories, and normal and disjunctive 2- and 3-programs. We are especiall...
Zbigniew Lonc, Miroslaw Truszczynski
JAIR
2000
105views more  JAIR 2000»
13 years 10 months ago
Reasoning on Interval and Point-based Disjunctive Metric Constraints in Temporal Contexts
We introduce a temporal model for reasoning on disjunctive metric constraints on intervals and time points in temporal contexts. This temporal model is composed of a labeled tempo...
Federico Barber
ICLP
1994
Springer
14 years 2 months ago
Splitting a Logic Program
In many cases, a logic program can be divided into two parts, so that one of them, the \bottom" part, does not refer to the predicates de ned in the \top" part. The \bot...
Vladimir Lifschitz, Hudson Turner
PODS
2003
ACM
113views Database» more  PODS 2003»
14 years 11 months ago
Materializing views with minimal size to answer queries
In this paper we study the following problem. Given a database and a set of queries, we want to find, in advance, a set of views that can compute the answers to the queries, such ...
Rada Chirkova, Chen Li