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» An operational semantics for skeletons
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125
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TPLP
2002
117views more  TPLP 2002»
15 years 11 days ago
On Properties of Update Sequences Based on Causal Rejection
In this paper, we consider an approach to update nonmonotonic knowledge bases represented as extended logic programs under the answer set semantics. In this approach, new informat...
Thomas Eiter, Michael Fink, Giuliana Sabbatini, Ha...
184
Voted
ICLP
2009
Springer
16 years 1 months ago
Incremental Answer Completion in the SLG-WAM
The SLG-WAM of XSB Prolog soundly implements the Well-Founded Semantics (WFS) for logic programs, but in a few pathological cases its engine treats atoms as undefined that are true...
Alexandre Miguel Pinto, Luís Moniz Pereira,...
96
Voted
PODS
2007
ACM
142views Database» more  PODS 2007»
16 years 26 days ago
Quasi-inverses of schema mappings
Schema mappings are high-level specifications that describe the relationship between two database schemas. Two operators on schema mappings, namely the composition operator and th...
Ronald Fagin, Phokion G. Kolaitis, Lucian Popa, Wa...
DEBS
2007
ACM
15 years 4 months ago
Scalable event matching for overlapping subscriptions in pub/sub systems
Content-based publish/subscribe systems allow matching the content of events with predicates in the subscriptions. However, most existing systems only allow a limited set of opera...
Zhen Liu, Srinivasan Parthasarathy 0002, Anand Ran...
GECCO
2000
Springer
122views Optimization» more  GECCO 2000»
15 years 4 months ago
Genetic Programming with Statically Scoped Local Variables
This paper presents an extension to genetic programming to allow the evolution of programs containing local variables with static scope which obey the invariant that all variables...
Evan Kirshenbaum