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https://github.com/rdflib/owl-rl

A simple implementation of the OWL2 RL Profile on top of RDFLib: it expands the graph with all possible triples that OWL RL defines. It can be used together with RDFLib to expand an RDFLib Graph object, or as a stand alone service with its own serialization.
https://github.com/rdflib/owl-rl

inference owl owl-rl python rdf rdflib reasoning

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A simple implementation of the OWL2 RL Profile on top of RDFLib: it expands the graph with all possible triples that OWL RL defines. It can be used together with RDFLib to expand an RDFLib Graph object, or as a stand alone service with its own serialization.

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README 

        
|Original Author DOI| |PyPI badge|



|OWL-RL Logo|



.. |Original Author DOI| image:: https://zenodo.org/badge/9385/RDFLib/OWL-RL.svg

    :target: http://dx.doi.org/10.5281/zenodo.14543



.. |PyPI badge| image:: https://badge.fury.io/py/owlrl.svg

    :target: https://badge.fury.io/py/owlrl



.. |OWL-RL Logo| image:: https://raw.githubusercontent.com/RDFLib/OWL-RL/master/OWL-RL.png

    :width: 250

    :target: http://owl-rl.readthedocs.io/



OWL-RL

======



A simple implementation of the OWL2 RL Profile, as well as a basic RDFS inference, on top of RDFLib, based on forward chaining.



This package is a Python library that also contains a couple of scripts:



* `scripts/RDFConvertService`: a CGI script to invoke the library. It may have to be adapted to the local server setup.



* `scripts/owlrl`: a script that can be run locally on to transform a file into RDF (on the standard output). Run the script with `-h` to get the available flags.



Installation

------------



This package requires RDFLib 7.1.3 as its only dependency and it can be installed from the Python Package index in the usual way:



::



    pip install owlrl



or



::



    poetry add owlrl



Use

---



This package can run inference according to RDFS and/or OWL-RL.



For details on RDFS, see the `RDF Semantics Specification`_; for OWL 2 RL, see the `OWL 2 Profile specification`_.



.. _RDF Semantics Specification: http://www.w3.org/TR/rdf11-mt/

.. _OWL 2 Profile specification: http://www.w3.org/TR/owl2-profiles/#Reasoning_in_OWL_2_RL_and_RDF_Graphs_using_Rules



View the **OWL-RL documentation** online: http://owl-rl.readthedocs.io/



License

-------

This software is released under the W3C© SOFTWARE NOTICE AND LICENSE. See `LICENSE.txt `_.



Support & Contacts

------------------



For general "how do I..." queries, please use https://stackoverflow.com and tag your question with ``rdflib``. Existing questions:



* https://stackoverflow.com/questions/tagged/rdflib



If you want to contact the rdflib maintainers, please do so via:



* the rdflib-dev mailing list: https://groups.google.com/group/rdflib-dev

* the chat, which is available at `gitter `_ or via matrix `#RDFLib_rdflib:gitter.im `_



Development

-----------



Changes

~~~~~~~



To view the changelog for this software library, see `CHANGELOG.rst `_.



Release Procedure

~~~~~~~~~~~~~~~~~



* update all the version numbers



    * pyproject.toml

    * README.rst



* remove the current ``dist/`` dir

* build the new distribution

* test the metadata rendering

* test push it to PyPI

* actually push it to PyPI



::



    rm -vf dist/*

    poetry build

    bsdtar -xvf dist/owlrl-*.whl -O '*/METADATA' | view -

    bsdtar -xvf dist/owlrl-*.tar.gz -O '*/PKG-INFO' | view -



    poetry publish --dry-run

    poetry publish -u __token__ -p 



* commit the version update

* tag it

* push the commits & tag to GitHub

* make a GitHub release



    * reuse the CHANGELOG entry for the release