CLASSIC: a structural data model for objects
SIGMOD '89 Proceedings of the 1989 ACM SIGMOD international conference on Management of data
Attributive concept descriptions with complements
Artificial Intelligence
KRIS: Knowledge Representation and Inference System
ACM SIGART Bulletin - Special issue on implemented knowledge representation and reasoning systems
ACM SIGART Bulletin - Special issue on implemented knowledge representation and reasoning systems
Reasoning about knowledge
Reasoning in description logics
Principles of knowledge representation
Description Logics in Data Management
IEEE Transactions on Knowledge and Data Engineering
Proceedings of the First International Conference on Temporal Logic
ICTL '94 Proceedings of the First International Conference on Temporal Logic
Combining Terminological Logics with Tense Logic
EPIA '93 Proceedings of the 6th Portuguese Conference on Artificial Intelligence: Progress in Artificial Intelligence
Reasoning in expressive description logics
Handbook of automated reasoning
Implementation of the BACK-System Version 4
Implementation of the BACK-System Version 4
A multi-dimensional terminological knowledge representation language
IJCAI'93 Proceedings of the 13th international joint conference on Artifical intelligence - Volume 1
Terminological logics with modal operators
IJCAI'95 Proceedings of the 14th international joint conference on Artificial intelligence - Volume 1
A scheme for integrating concrete domains into concept languages
IJCAI'91 Proceedings of the 12th international joint conference on Artificial intelligence - Volume 1
A correspondence theory for terminological logics: preliminary report
IJCAI'91 Proceedings of the 12th international joint conference on Artificial intelligence - Volume 1
A temporal terminological logic
AAAI'90 Proceedings of the eighth National conference on Artificial intelligence - Volume 1
A survey on temporal logics for specifying and verifying real-time systems
Frontiers of Computer Science: Selected Publications from Chinese Universities
Description logic knowledge and action bases
Journal of Artificial Intelligence Research
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We construct a new concept description language intended for representing dynamic and intensional knowledge. The most important feature distinguishing this language from its predecessors in the literature is that it allows applications of modal operators to all kinds of syntactic terms: concepts, roles and formulas. Moreover, the language may contain both local (i.e., state-dependent) and global (i.e., state-independent) concepts, roles and objects. All this provides us with the most complete and natural means for reflecting the dynamic and intensional behaviour of application domains. We construct a satisfiability checking (mosaic-type) algorithm for this language (based on 𝒜ℒ𝒞) in (i) arbitrary multimodal frames, (ii) frames with universal accessibility relations (for knowledge) and (iii) frames with transitive, symmetric and euclidean relations (for beliefs). On the other hand, it is shown that the satisfaction problem becomes undecidable if the underlying frames are arbitrary strict linear orders, 〈$$\mathbb{N}$$,