RDF - Ressource Description Framework

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Name

RDF

Management Summary

The Resource Description Framework (RDF) is a language for representing information about resources in the World Wide Web. RDF is a very simple language consisting of URI as the buildung blocks and their combination to triples which relates two objects with a property.

Dimensions of the language:

Perspective (Role of End user):

Systems

Aspects:

Data/Knowledge

Semantics:

formal (low expressiveness)

Framework:

W3C

Relevance for Use Case:

None

Maturity Level:

established

Semantics:

RDF has a clkear semantics with relationship to logic.

Syntax:

Modelling concepts and functionalities, level of formalism, graphical notation
Very simplified syntax. It consists of Ressources. Each ressource is represented by an URI. Such ressource is connected via a property (aka relationship) to a value. A value can be a ressource, i.e. a URI, or a literal like a string, a number or a date. RDF does not specify the types of a literal. In order to distinguish properties not only in one RDF source but in many sources distributed over the web they are also identified by URIs. Consequently Properties are ressources also. This breaks the clear structure where one can distinguish between ressources (representing classes and instances) and properties (relationships between classes resp. instances) and may lead to confusion.

References

Resource Description Framework (RDF) at W3C.org


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