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Towards a Commons RDF Library - ApacheCon Europe 2014

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Towards a Commons RDF Library - ApacheCon Europe 2014

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Towards a Commons RDF Library - ApacheCon Europe 2014

  1. 1. Towards a Commons RDF Library Sergio Fernández, Andy Seaborne and Peter Ansell http://commons-rdf.github.io
  2. 2. Who are we? Sergio Fernández • Senior Researcher at Salzburg Research • Partner Technology Manager at Redlink GmbH • ASF Committer of Marmotta and Stanbol Andy Seaborne • Senior Architect at Epimorphics Ltd • ASF participant on W3C SPARQL-WG, RDF-WG • ASF Committer of Jena Peter Ansell • Researcher at CSIRO • Developer of OpenRDF Sesame • ASF Committer of Marmotta and Any23
  3. 3. Commons RDF, why? • Historical incompatibility in Java • Not providing yet-another-wrapper • But providing common interfaces • It arrives in the right time for design of: • Apache Jena 3.0 • OpenRDF Sesame 4.0 • But it will live or die on its own merits!
  4. 4. Motivations • Avoid propagation of internal implementation decisions • Typically now when any API decides either Jena or Sesame, it immediately forces you to follow the same implementation decision • Simple common interfaces would solve most of the use cases • In the end you should be, a bit more, free to choose
  5. 5. Use Cases • Non-captive client libraries • MICO API: http://www.mico-project.eu/commons-rdf/ • Redlink SDK: http://dev.redlink.io/sdk#java • Generic SPARQL Client • Portable in-memory RDF model/graph • Move RDF to other worlds (e.g., Hadoop) • ...whatever it could come
  6. 6. Current features: version 0.0.2 • A type-safe, non-general API that covers RDF 1.1 • Initially focused on core concepts: • IRI, Blank Node, Literal, Triple, and Graph • In a future other aspects may be also included • datasets, query, etc.
  7. 7. Developers, we need you! what other interfaces are desired by developers? https://www.flickr.com/photos/kalexanderson/6300175460
  8. 8. Design by (git) committee
  9. 9. Next steps and discussion • Bootstrap the implementations on each toolkit • Evolve the current design • Get feedback from the community • Currently working at GitHub, although at some point we could move to Apache Commons or any suitable organization
  10. 10. Discussion Panel
  11. 11. thanks! available under CreativeCommons Attribution 4.0 International License http://commons-rdf.github.io acknowledgments to MICO FP7 project (grant no. 610480)

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