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LPKR
1997
Springer
14 years 22 days ago
Knowledge Representation with Logic Programs
In this overview we show how Knowledge Representation (KR) can be done with the help of generalized logic programs. We start by introducing the core of PROLOG, which is based on de...
Gerhard Brewka, Jürgen Dix
LPAR
2010
Springer
13 years 6 months ago
On the Satisfiability of Two-Variable Logic over Data Words
Data trees and data words have been studied extensively in connection with XML reasoning. These are trees or words that, in addition to labels from a finite alphabet, carry labels ...
Claire David, Leonid Libkin, Tony Tan
ASP
2003
Springer
14 years 1 months ago
Eliminating Disjunction from Propositional Logic Programs under Stable Model Preservation
Abstract. In general, disjunction is considered to add expressive power to propositional logic programs under stable model semantics, and to enlarge the range of problems which can...
Thomas Eiter, Michael Fink, Hans Tompits, Stefan W...
POPL
2009
ACM
14 years 9 months ago
Masked types for sound object initialization
This paper presents a type-based solution to the long-standing problem of object initialization. Constructors, the conventional mechanism for object initialization, have semantics...
Xin Qi, Andrew C. Myers
OWLED
2008
13 years 10 months ago
ACE View --- an Ontology and Rule Editor based on Attempto Controlled English
We describe the architecture of a novel ontology and rule editor ACE View. The goal of ACE View is to simplify viewing and editing expressive and syntactically complex OWL/SWRL kno...
Kaarel Kaljurand