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» Description Logics for Relative Terminologies
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TIME
2007
IEEE
14 years 2 months ago
Temporalising Tractable Description Logics
It is known that for temporal languages, such as firstorder LT L, reasoning about constant (time-independent) relations is almost always undecidable. This applies to temporal des...
Alessandro Artale, Roman Kontchakov, Carsten Lutz,...
AAAI
2010
13 years 9 months ago
Structure Learning for Markov Logic Networks with Many Descriptive Attributes
Many machine learning applications that involve relational databases incorporate first-order logic and probability. Markov Logic Networks (MLNs) are a prominent statistical relati...
Hassan Khosravi, Oliver Schulte, Tong Man, Xiaoyua...
ECSQARU
2009
Springer
14 years 2 months ago
Realizing Default Logic over Description Logic Knowledge Bases
Abstract. We consider a realization of Reiter-style default logic on top of description logic knowledge bases (DL-KBs). To this end, we present elegant transformations from default...
Minh Dao-Tran, Thomas Eiter, Thomas Krennwallner
DLOG
2008
13 years 10 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
AI
1999
Springer
13 years 7 months ago
Modal Logics, Description Logics and Arithmetic Reasoning
Forthcoming in the Journal of Aritificial Intelligence We introduce mathematical programming and atomic decomposition as the basic modal (T-Box) inference techniques for a large c...
Hans Jürgen Ohlbach, Jana Koehler