Description Logics are logics for representing and reasoning about classes of objects and their relationships. They can be seen as successors of semantic networks and frame systems, and have been investigated for more than a decade under different points of view, in particular, expressive power and computational complexity of reasoning. In this short paper, we introduce Description Logics, we compare Description Logics with Database models, and then discuss how Description Logics can be used for several tasks related to data management, in particular information integration, and semi-structured data modeling.
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