Summary
RDF, or Resource Description Framework, is a model that defines the semantics of information using subject-predicate-object triples represented by URIs. These triples form a graph to describe entities and their relationships. RDFS (RDF Schema) extends RDF by defining concepts, relationships, and entailment rules to infer additional information. This structured approach enables the organization of hierarchical data and the creation of meaningful relationships within a knowledge graph.
Chapters
Overview of RDF
RDF (Resource Description Framework) is a model that formally describes the semantics or meaning of information. It consists of triples where the entity is the subject, the predicate is the attribute, and the object is the value, represented by a Uniform Resource Identifier (URI). Triples link together to form a graph, allowing for the description of characters and relationships.
RDFS (RDF Schema)
RDFS (RDF Schema) defines a meta-model of concepts and relationships, such as subclass of sub-properties. It provides a way to define the structure of an RDF model and organize hierarchies. RDFS specifies entailment relationships, enabling the use of rules to infer additional information, as demonstrated by the 'has spouse' relationship example.
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