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» Class Algebra for Ontology Reasoning
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EPIA
2003
Springer
14 years 27 days ago
A Methodology to Create Ontology-Based Information Retrieval Systems
Modern information retrieval systems need the capability to reason about the knowledge conveyed by text bases. In this paper a methodology to automatically create ontologies and cl...
José Saias, Paulo Quaresma
ENTCS
2007
109views more  ENTCS 2007»
13 years 7 months ago
Hybrid Logics and Ontology Languages
Description Logics (DLs) are a family of logic based knowledge representation formalisms. Although they have a range of applications, they are perhaps best known as the basis for ...
Ian Horrocks, Birte Glimm, Ulrike Sattler
DLOG
2006
13 years 9 months ago
On the Scalability of Description Logic Instance Retrieval
Abstract Practical description logic systems play an ever-growing role for knowledge representation and reasoning research even in distributed environments. In particular, the onto...
Ralf Möller, Volker Haarslev, Michael Wessel
ER
2009
Springer
137views Database» more  ER 2009»
14 years 9 days ago
Multi-level Conceptual Modeling and OWL
Ontological metamodeling or multilevel-modeling refers to ng complex domains at multiple levels of abstraction, especially in domains where the borderline between individuals and c...
Bernd Neumayr, Michael Schrefl
LICS
2002
IEEE
14 years 18 days ago
Tree Extension Algebras: Logics, Automata, and Query Languages
We study relations on trees defined by first-order constraints over a vocabulary that includes the tree extension relation Ì Ì ¼, holding if and only if every branch of Ì ex...
Michael Benedikt, Leonid Libkin