Owlready

This is a forum and mailing list for Owlready2. Owlready2 is a module for ontology-oriented programming in Python 3, including OWL parsers and an optimized RDF quadstore.

Links: Website -- Owlready2 on BitBucket (development repository) -- Owlready2 on PyPI (Python Package Index, stable release) -- Documentation

If you use Owlready2 in scientific works, please cite the following article:
Lamy JB.
Owlready: Ontology-oriented programming in Python with automatic classification and high level constructs for biomedical ontologies.
Artificial Intelligence In Medicine 2017;80:11-28

You may also be interested by my book on Python and ontologies, available in English and French (click on the cover on the right).

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Topics (858)

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issue with BNode and _rdflib_2_owlready() by Peter

Oct 28, 2019 by Peter

Adding documentation to an ontology by Peter

Oct 26, 2019 by Peter

Problem with inferring classes caused by logical operators by jayson

Oct 13, 2019 by jayson

Adding a function to a class in an imported ontology by Micheal

Oct 13, 2019 by Jiba

Relation manipulation in Owlready by Micheal

Oct 11, 2019 by Jiba

Does owlready parse DisjointUnion? by Matthias

Oct 11, 2019 by Matthias

Owlready2 0.21 has been released! by Jiba

Oct 03, 2019 by Peter

Broken inverse of subproperty of symmetric object property by Matthias

Oct 02, 2019 by Matthias

How to move concepts from one ontology to another by mkumba

Sep 30, 2019 by mkumba

Memory allocation error while running owlready2 pellet reasoner by Taha

Sep 30, 2019 by Taha

same names, different namespaces by Peter

Sep 27, 2019 by Peter

Trouble loading multiple ontology modules by mkumba

Sep 25, 2019 by Jiba

Problem with Hermit of Owlready2 in Windows by Joya

Sep 25, 2019 by Joya

how to create a rdf List by houzw

Sep 23, 2019 by Jiba

UnboundLocalError: local variable 'entity' referenced before assignment by houzw

Sep 22, 2019 by houzw

Examples of forms for creating instances by Peter

Sep 21, 2019 by Peter

Reasoner error using SWRL DifferentFrom by GoMa

Sep 16, 2019 by GoMa

Create Python file from ontology by Peter

Sep 13, 2019 by Peter

Bootstrapping code from an ontology by Peter

Sep 13, 2019 by Peter

problem appeared in SWRL (answered) by William

Sep 12, 2019 by Jiba

Error in saving ontology for Owlready2 0.20 by Babroo

Sep 12, 2019 by Jiba

How to find inconsistencies on individuals/properties by Charles

Sep 12, 2019 by Jiba

Problem when use any Reasoner by Caiubi

Sep 09, 2019 by Caiubi

SPARQL works in Protege, but not in Owlready by IWilliams

Sep 07, 2019 by IWilliams

Bug fix request: Deleting annotated properties in Owlready2 0.19 and higher by Marie

Sep 06, 2019 by Marie

Value restriction on properties and reasoning by lesire

Sep 05, 2019 by Jiba

Bug fix request: Querying annotations in Owlready2 0.19 and higher by Marie

Sep 05, 2019 by Marie

Implementing Worlds problems by Demian

Sep 03, 2019 by Demian

DataProperty value inheritance from Sub-DataProperties by goethe

Sep 03, 2019 by Jiba

General axiom value bug by Cosmin

Sep 03, 2019 by Jiba

Using OWlready2 in realtime by Taha

Aug 29, 2019 by Taha

Getting path between two nodes by oksr

Aug 29, 2019 by Jiba

not pretty to print compound classes by William

Aug 23, 2019 by William

How to dynamically create a relation by SPJ

Aug 22, 2019 by SPJ

Owlready2 0.20 has been released! by Jiba

Aug 19, 2019 by Jiba

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