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DLOG
2001
13 years 9 months ago
On Expressive Number Restrictions in Description Logics
We consider expressive Description Logics (ALCN) allowing for number restrictions on complex roles built with combinations of role constructors. In particular, we are mainly inter...
Fabio Grandi
LPAR
2007
Springer
14 years 1 months ago
How Many Legs Do I Have? Non-Simple Roles in Number Restrictions Revisited
Abstract. The Description Logics underpinning OWL impose a well-known syntactic restriction in order to preserve decidability: they do not allow to use nonsimple roles—that is, t...
Yevgeny Kazakov, Ulrike Sattler, Evgeny Zolin
TREC
2004
13 years 9 months ago
Concept Extraction and Synonymy Management for Biomedical Information Retrieval
This paper reports on work done for the Genomics Track at TREC 2004 by ConverSpeech LLC in conjunction with scientists at the Saccharomyces Genome Database (SGD), the model organi...
Colleen E. Crangle, Alex Zbyslaw, J. Michael Cherr...
DLT
2010
13 years 9 months ago
Inclusion Problems for Patterns with a Bounded Number of Variables
We study the inclusion problems for pattern languages that are generated by patterns with a bounded number of variables. This continues the work by Freydenberger and Reidenbach (In...
Joachim Bremer, Dominik D. Freydenberger
JOLLI
2002
92views more  JOLLI 2002»
13 years 7 months ago
A Tableau Method for Graded Intersections of Modalities: A Case for Concept Languages
A concept language with role intersection and number restriction is defined and its modal equivalent is provided. The main reasoning tasks of satisfiability and subsumption checkin...
Ani Nenkova