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112
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DLOG
2008
15 years 6 months ago
Conjunctive Query Answering in SH using Knots
Answering conjunctive queries (CQs) has been recognized as a key task for the usage of Description Logics (DLs) in a number of applications. The problem has been studied by many au...
Magdalena Ortiz, Mantas Simkus, Thomas Eiter
125
Voted
DLOG
2008
15 years 6 months ago
ContraBovemRufum: A System for Probabilistic Lexicographic Entailment
Representing probabilistic knowledge in combination with a description logic has been a research topic for quite some time. In [1] one of such combinations is introduced. We presen...
Tobias Henrik Näth, Ralf Möller
DLOG
2008
15 years 6 months ago
Essential and Mandatory Part-Whole Relations in Conceptual Data Models
A recurring problem in conceptual modelling and ontology development is the representation of part-whole relations, with a requirement to be able to distinguish between essential a...
Alessandro Artale, C. Maria Keet
125
Voted
OWLED
2008
15 years 5 months ago
Conjunctive Query Answering in EL using a Database System
We study conjunctive query answering in the description logic EL, the core of the designated OWL2-EL profile of OWL2. In particular, we present an approach that allows the use of c...
Carsten Lutz, David Toman, Frank Wolter
111
Voted
IJCAI
2001
15 years 5 months ago
High Performance Reasoning with Very Large Knowledge Bases: A Practical Case Study
We present an empirical analysis of optimization techniques devised to speed up the so-called TBox classification supported by description logic systems which have to deal with ve...
Volker Haarslev, Ralf Möller