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Graph Data on the Web: extend the pivot, don’t reinvent the wheel

Graph Data on the Web: extend the pivot, don’t reinvent the wheel. Olivier Corby et al. Inria – Wimmics team. OWL. Think in terms of an “RDF 2.0”. RDF XML. RDFS. N-Quad. TriG. CSV-LD. R2RML. JSON LD. N-Triple. Turtle/N3. URI, IRI, URL, HTTP URI. RDF. XML.

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Graph Data on the Web: extend the pivot, don’t reinvent the wheel

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  1. Graph Data on the Web:extend the pivot,don’t reinvent the wheel Olivier Corby et al. Inria – Wimmics team

  2. OWL Think in terms of an “RDF 2.0” RDF XML RDFS N-Quad TriG CSV-LD R2RML JSON LD N-Triple Turtle/N3 URI, IRI, URL, HTTP URI RDF XML • RDF and Property Graphs are not in opposition • They are requirements for an RDF 2.0 specification • RDF 2.0 backward compatible with RDF 1.1 stack of standards • There should not be another stack of graph data standards GRDDL JSON SPARQL LDP SHACL RDFa Linked Data HTML HTTP Fabien Gandon, A Survey of the First 20 Years of Research on Semantic Web and Linked Data, 2018

  3. Make Graph Data Interoperable • Additional argument to triples • Modality, timestamp, provenance, uncertainty • Triple as subject or object of triple • Assign URI to Triple • Named graph with entailment regimeGraph Data Entailment • List datatype value • SPARQL based rule language for RDF : construct where • NB: AI on the Web requires knowledge-level interoperability

  4. Secured and Trusted Graph Data Distribution • Generalize SPARQL service clause to other sources that deliver RDF graph data • Annotate SPARQL query with list of SPARQL endpoints URI • Semantics for SPARQL federated queries :bnode, named graph, duplicate results, property path, etc. • Standard canonical RDF graph representation • Signing RDF graph

  5. Graph Data Developer Friendly and Viewable • API for graph data • RDF graph style sheets à la CSS and Fresnel • Transformation Language for RDF • Linked Data Script Language • cf. open source Corese semantic Web factory andserver since 1999: http://corese.inria.fr/

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