Abstract

A relational database is a digital collection of data constructed on data stored in relations. RDF (Resource Description Framework) is a standard exemplification for data substitution on the Web RDF Schema is a semantic addition of RDF. It renders the technique for narrating groups of allied resources. The direct mapping of RDF interprets the description of data in a relational database. It uses input data, schema and result in RDF graph, termed as direct graph. In this paper, online automatic conversion tool of RDB to RDF and RDFS is discussed. RDB to RDF and its schema is used to get relationships between tables using foreign keys and generate direct graph using data of RDB as input source. RDFS is a general-purpose language for demonstrating RDF. In RDFS, Object Oriented programming concepts are used to find Classes, Sub-Classes, Properties and Sub-Properties etc. to define relationships between the resources automatically.

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