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The authors describe a generic framework for representing and reasoning with annotated Semantic Web data, a task becoming more important with the recent increased amount of inconsistent and non-reliable meta-data on the web. They formalise the annotated language, the corresponding deductive system and address the query answering problem. The paper extends previous contributions on RDF annotations by providing a unified reasoning formalism and allowing the seamless combination of different annotation domains. They demonstrate the feasibility of the method by giving a formal description on how easily they can represent and reason with instantiating it on temporal RDF; fuzzy RDF; and their combination.
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