Reasoning and revision in hybrid representation systems
Reasoning and revision in hybrid representation systems
Representation and reasoning with attributive descriptions
Proceedings of the workshop on Sorts and types in artificial intelligence
A Terminological Knowledge Representation System with Complete Inference Algorithms
PDK '91 Proceedings of the International Workshop on Processing Declarative Knowledge
Modal description logics: modalizing roles
Fundamenta Informaticae
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An extension of the concept description language ACC used in KL-ONE-like terminological reasoning is presented. The extension includes multi-modal operators that can either stand for the usual role quantifications or for modalities such as belief, time etc. The modal operators can be used at all levels of the concept terms, and they can be used to modify both concepts and roles. This is an instance of a new kind of combination of modal logics where the modal operators of one logic may operate directly on the operators of the other logic.