ITACH@ Project, Innovative Technologies And Cultural Heritage Aggregation, intends to offer innovative tools for the development of the tourism industry and Italian culture. This paper analyzes the particular technological component defined OpLiDaF, Open Linked Data Framework, a platform aimed the creation, structuring and visualizing data in RDF/XML. The paper discusses also the different formats, with special attention to procedures and techniques of processing data in relational databases, according to the instructions provided by the W3C Working Group RDB2RDF. It is working on the development of standard languages for mapping relational data and relational database schemas into RDF and OWL. The paper aims to show the potential of a language mapping between relational database schemas and ontologies implemented in RDF(S) or OWL, used in the platform OpLiDaF: the R2O (Relational to Ontology), which enables the production of data set extensible semantics explicit and well recognized.
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