Matches in ScholarlyData for { <https://w3id.org/scholarlydata/inproceedings/www2012/paper/562> ?p ?o. }
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- 562 creator daniel-miranker.
- 562 creator juan-f-sequeda.
- 562 creator marcelo-arenas.
- 562 type InProceedings.
- 562 label "On Directly Mapping Relational Databases to RDF and OWL".
- 562 sameAs 562.
- 562 abstract "Mapping relational databases to RDF is a fundamental problem for the development of the Semantic Web. We present a solution, inspired by draft methods defined by the W3C where relational databases are directly mapped to RDF and OWL. Given a relational database schema and its integrity constraints, this direct mapping produces an OWL ontology, which, in turn provides the basis for generating RDF instances. The semantics of this mapping is defined using Datalog. Two fundamental properties of such mappings are information preservation and query preservation. We prove that our mapping satisfies both conditions, in the general and practical scenario where relational databases contain null values. We also consider two desirable properties of such mappings: monotonicity and semantics preservation. We prove that our mapping is monotone and also prove that no monotone mapping, including ours, is semantic preserving. We realize that monotonicity is an obstacle for semantic preservation and thus present a non-monotone direct mapping that is semantics preserving.".
- 562 hasAuthorList authorList.
- 562 isPartOf proceedings.
- 562 keyword "direct mapping".
- 562 keyword "rdb2rdf".
- 562 keyword "rdf".
- 562 keyword "relational databases".
- 562 keyword "sparql".
- 562 keyword "sql".
- 562 title "On Directly Mapping Relational Databases to RDF and OWL".