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» Knowledge Base Maintenance through Knowledge Representation
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PADL
2010
Springer
15 years 6 months ago
Implementing Query Answering for Hybrid MKNF Knowledge Bases
Abstract. Ontologies and rules are usually loosely coupled in knowledge representation formalisms. In fact, ontologies use open-world reasoning while the leading semantics for rule...
Ana Sofia Gomes, José Júlio Alferes,...
FROCOS
2009
Springer
15 years 4 months ago
Combining Nonmonotonic Knowledge Bases with External Sources
The developments in information technology during the last decade have been rapidly changing the possibilities for data and knowledge access. To respect this, several declarative k...
Thomas Eiter, Gerhard Brewka, Minh Dao-Tran, Micha...
SIGLEX
1991
15 years 1 months ago
Acquiring and Representing Semantic Information in a Lexical Knowledge Base
The paper focuses on the description of the approach, taken within the ESPRIT BRA project ACQUILEX, towards: i) acquisition of semantic information from several machine- readable ...
Nicoletta Calzolari
ICAIL
2007
ACM
15 years 1 months ago
The LKIF Core Ontology of Basic Legal Concepts
In this paper we describe a legal core ontology that is part of a generic architecture for legal knowledge systems, which will enable the interchange of knowledge between existing ...
Rinke Hoekstra, Joost Breuker, Marcello Di Bello, ...
AI
2008
Springer
14 years 8 months ago
MEBN: A language for first-order Bayesian knowledge bases
Although classical first-order logic is the de facto standard logical foundation for artificial intelligence, the lack of a built-in, semantically grounded capability for reasonin...
Kathryn B. Laskey