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What are the exact differences between ERD and RDF

Can someone explain to me the exact differences between the ERD model, where we talk about objects, relationships and attributes, and RDF, where we talk about an object, predicate and object? I checked various resources, such as http://www.w3.org/DesignIssues/RDFnot.html , but the superiority of one over the other is still not clear to me.

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This is not a matter of excellence, but rather what is best suited to your problem.

Both are helpful.

RDF is best when you have chart structures for presentation or when you need to exchange with many other systems that you do not control.

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ERD . , , ERD . , ERD , , , RDF , , .

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