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Erschienen in:
2005 | OriginalPaper | Buchkapitel
Two Reasoning Methods for Extended Fuzzy ALCH
verfasst von : Dazhou Kang, Jianjiang Lu, Baowen Xu, Yanhui Li, Yanxiang He
Erschienen in: On the Move to Meaningful Internet Systems 2005: CoopIS, DOA, and ODBASE
Verlag: Springer Berlin Heidelberg
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This paper introduces cut sets of fuzzy concepts and fuzzy roles as atomic concepts and atomic roles to build extended fuzzy
$\cal{ALCH}$
$\cal{(EFALCH)}$
, a new fuzzy extension of
$\cal{ALCH}$
. It talks about two reasoning methods for
$\cal{ EFALCH}$
. The first one presents a sound and complete algorithm for
$\cal{EFALCH}$
reasoning tasks and proves the complexity is PSPACE-complete. The second one reduces
$\cal{EFALCH}$
into
$\cal{ ALCH}$
, which can be performed in polynomial time and keep the semantic consistency, and then uses
$\cal{ALCH}$
reasoning method to solve
$\cal{EFALCH}$
reasoning tasks.