Description Logic (DL) is a family of formal knowledge representation languages that are primarily used to represent structured knowledge about the world. It is a subset of first-order logic, designed to provide a more expressive yet computationally manageable framework for reasoning about concepts (also known as classes or types) and relationships between them. ### Key Features of Description Logic: 1. **Concepts**: Represented as unary predicates, concepts define classes of objects. For example, "Person" or "Animal".
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