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The aim of the present work is to display a simplified methodology for the construction of digital classrooms, insisting on the capacity to generate activities of storage and appropriate information retrieval, referred to facts and objects of a given problematic. In the categorization of Web sites is used the taxonomy based on metadata, applying the Dublin Core model (DC) to know what elements are represented and the syntax of the XML to know how these elements are represented. As a bond towards the pedagogical aspect, the ontologies allow a semantic development of great depth since they provide a logical and formal description of the information that they store, and therefore this information can be interpreted by human users as well as by computer programs . For doing it, is used the Resource Description Framework (RDF) like a tool on the construction of this "semantic skeleton" that sustains to the sauri in the representation and information retrieval,with emphasis in the coherence and relational wealth of the conceptual structuring, but with smaller semantic expressivity, and whose data can only be processed by human users. For the developing of the digitized atmosphere of the Teaching-Learning model, two phases are required: Analysis and Production, applying in each one of them the tools recently mentioned, among others. This model makes possible to determine the proportions of the educative uses of the Web, and stimulates the correct use of forums, email and chat (like atmospheres of synchronous and asynchronous communication) and of the Digital Library (like organization that will allow the access to the spaces of information in ordered, distributed and shared form).

E-learning, educative software, distance education.