Relational Database to RDF Mapping Patterns

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Provided by: University of Texas at Arlington
Topic: Data Management
Format: PDF
In order to integrate relational databases into Semantic Web applications, relational databases need to be mapped to RDF. The W3C RDB2RDF working group is in the process of ratifying two standards to map relational databases to RDF: direct mapping and R2RML mapping language. Through the authors' experience as implementors of two RDB2RDF systems: ultrawrap and morph, and as authors of R2RML mappings, they have observed mappings that are reusable in order to solve a commonly occurring problem.
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