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» On Modal Deductive Databases
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KRDB
2003
142views Database» more  KRDB 2003»
13 years 8 months ago
Optimizing Query Answering in Description Logics using Disjunctive Deductive Databases
Motivated by the possibilities of applying deductive database technology for efficient query answering in description logics, we present a translation operator µ that transforms...
Boris Motik, Raphael Volz
DEDUCTIVE
1993
140views Database» more  DEDUCTIVE 1993»
13 years 8 months ago
AMOS: A Natural Language Parser Implemented as a Deductive Database in LOLA
In this paper we present the set-oriented bottom-up parsing system AMOS which is a major application of the deductive database system LOLA. AMOS supports the morpho-syntactical an...
Günther Specht, Burkhard Freitag
JANCL
2006
100views more  JANCL 2006»
13 years 7 months ago
An efficient relational deductive system for propositional non-classical logics
We describe a relational framework that uniformly supports formalization and automated reasoning in various propositional modal logics. The proof system we propose is a relational ...
Andrea Formisano, Marianna Nicolosi Asmundo
CADE
2007
Springer
14 years 7 months ago
Bidirectional Decision Procedures for the Intuitionistic Propositional Modal Logic IS4
We present a multi-context focused sequent calculus whose derivations are in bijective correspondence with normal natural deductions in the propositional fragment of the intuitioni...
Samuli Heilala, Brigitte Pientka
IGPL
2002
85views more  IGPL 2002»
13 years 7 months ago
Fibring Modal First-Order Logics: Completeness Preservation
Fibring is defined as a mechanism for combining logics with a firstorder base, at both the semantic and deductive levels. A completeness theorem is established for a wide class of...
Amílcar Sernadas, Cristina Sernadas, Albert...