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SAC
2008
ACM
13 years 5 months ago
Adding background knowledge to formal concept analysis via attribute dependency formulas
We present a way to add user's background knowledge to formal concept analysis. The type of background knowledge we deal with relates to relative importance of attributes in ...
Radim Belohlávek, Vilém Vychodil
KCAP
2003
ACM
13 years 11 months ago
Modularisation of domain ontologies implemented in description logics and related formalisms including OWL
Modularity is a key requirement for large ontologies in order to achieve re-use, maintainability, and evolution. Mechanisms for ‘normalisation’ to achieve analogous aims are s...
Alan L. Rector
ISMIS
2003
Springer
13 years 11 months ago
A Formal Approach to Describing Action Concepts in Taxonomical Knowledge Bases
T his paper outlines a formal theory for de fining action concepts in taxonomical knowledge representation languages, in a form closely related to description logics. The central p...
Christel Kemke
DLOG
2010
13 years 4 months ago
On the feasibility of Description Logic knowledge bases with rough concepts and vague instances
Abstract. A usage scenario of bio-ontologies is hypothesis testing, such as finding relationships or new subconcepts in the data linked to the ontology. Whilst validating the hypot...
C. Maria Keet
AI
2008
Springer
13 years 6 months ago
Expressive probabilistic description logics
The work in this paper is directed towards sophisticated formalisms for reasoning under probabilistic uncertainty in ontologies in the Semantic Web. Ontologies play a central role...
Thomas Lukasiewicz