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< img src = "rdf-logo.png" align = "right" / >
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# RDF.ex
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[](https://hex.pm/packages/rdf)
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An implementation of the [RDF ](https://www.w3.org/TR/rdf11-primer/ ) data model in Elixir.
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The API documentation can be found [here ](https://hexdocs.pm/rdf/ ). For a guide and more information about RDF.ex and it's related projects, go to < https: // rdf-elixir . dev > .
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## Features
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- fully compatible with the RDF 1.1 specification
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- in-memory data structures for RDF descriptions, RDF graphs and RDF datasets
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- basic graph pattern matching against the in-memory data structures with streaming-support
- execute [SPARQL] queries against the in-memory data structures via the [SPARQL.ex] package or against any SPARQL endpoint via the [SPARQL.Client] package
- RDF vocabularies as Elixir modules for safe, i.e. compile-time checked and concise usage of IRIs
- most of the important XML schema datatypes for RDF literals
- define custom datatypes for RDF literals, incl. as derivations of XSD datatypes via facets
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- sigils for the most common types of nodes, i.e. IRIs, literals, blank nodes and lists
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- a description DSL resembling Turtle in Elixir
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- implementations for the [N-Triples], [N-Quads] and [Turtle] serialization formats; [JSON-LD] is implemented in the separate [JSON-LD.ex] package
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- validate data against [ShEx] schemas via the [ShEx.ex] package
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## Contributing
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There's still much to do for a complete RDF ecosystem for Elixir, which means there are plenty of opportunities for you to contribute. Here are some suggestions:
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- more serialization formats, like [RDFa], [RDF-XML], [N3], [CSVW], [HDT] etc.
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- more XSD datatypes
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- improve documentation
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see [CONTRIBUTING ](CONTRIBUTING.md ) for details.
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## Consulting and Partnership
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If you need help with your Elixir and Linked Data projects, just contact < info @ cokron . com > or visit < https: / / www . cokron . com / kontakt >
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## License and Copyright
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(c) 2017-2020 Marcel Otto. MIT Licensed, see [LICENSE ](LICENSE.md ) for details.
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[RDF.ex]: https://hex.pm/packages/rdf
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[JSON-LD.ex]: https://hex.pm/packages/json_ld
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[SPARQL.ex]: https://hex.pm/packages/sparql
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[SPARQL.Client]: https://hex.pm/packages/sparql_client
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[ShEx.ex]: https://hex.pm/packages/shex
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[N-Triples]: https://www.w3.org/TR/n-triples/
[N-Quads]: https://www.w3.org/TR/n-quads/
[Turtle]: https://www.w3.org/TR/turtle/
[N3]: https://www.w3.org/TeamSubmission/n3/
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[JSON-LD]: https://www.w3.org/TR/json-ld/
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[RDFa]: https://www.w3.org/TR/rdfa-syntax/
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[RDF-XML]: https://www.w3.org/TR/rdf-syntax-grammar/
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[CSVW]: https://www.w3.org/TR/tabular-data-model/
[HDT]: http://www.rdfhdt.org/
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[SPARQL]: https://www.w3.org/TR/sparql11-overview/
[ShEx]: https://shex.io/
