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LOPSTR
2009
Springer
15 years 10 months ago
LP with Flexible Grouping and Aggregates Using Modes
We propose a new grouping operator for logic programs based on the group_by operator of SQL. The novelty of our proposal lies in the use of modes, which allows us to relax some rat...
Marcin Czenko, Sandro Etalle
LOPSTR
2009
Springer
15 years 10 months ago
A Transformational Approach for Proving Properties of the CHR Constraint Store
Proving termination of, or generating efficient control for Constraint Handling Rules (CHR) programs requires information about the kinds of constraints that can show up in the CHR...
Paolo Pilozzi, Tom Schrijvers, Maurice Bruynooghe
LPNMR
2009
Springer
15 years 10 months ago
On the Input Language of ASP Grounder Gringo
We report on recent advancements in the development of grounder Gringo for logic programs under answer set semantics. Like its relatives, DLV and Lparse, Gringo has in the meantime...
Martin Gebser, Roland Kaminski, Max Ostrowski, Tor...
RR
2009
Springer
15 years 10 months ago
A Minimal Deductive System for General Fuzzy RDF
Abstract. It is well-knwon that crisp RDF is not suitable to represent vague information. Fuzzy RDF variants are emerging to overcome to this limitations. In this work we provide, ...
Umberto Straccia
TARK
2009
Springer
15 years 10 months ago
Dynamic restriction of choices: a preliminary logical report
We study games in which the choices available to players are not fixed, and may change during the course of play. Specifically, we consider a model in which players may switch st...
Soumya Paul, Ramaswamy Ramanujam, Sunil Easaw Simo...