On the relative expressiveness of description logics and predicate logics
Artificial Intelligence
Ontology-Based Photo Annotation
IEEE Intelligent Systems
Datalog and Description Logics: Expressive Power
DBLP-6 Proceedings of the 6th International Workshop on Database Programming Languages
Reasoning in expressive description logics
Handbook of automated reasoning
Expressiveness of concept expressions in first-order description logics
Artificial Intelligence
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The paper reviews the notions of expressiveness of description logics from (N. Kurtonina and M. de Rijke. Expressiveness of concept expressions in first-order description logics. Artificial Intelligence, 107:303-333, 1999) and exemplifies their use in the development in Semantic Web languages. The notion of bisimulation--which characterizes the description logic ALC--provides a direct link to what's in the field of sociology called social network analysis. The perspective on data in this field--data are represented as labeled graphs--fits exactly the modeling intuitions of web languages like OIL and DAML+OIL. This is exemplified in the study of trophic networks. A further connection is established between web languages and hybrid logic, and an extension of OIL with a limited form of self reference is proposed.