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 (856)

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Unclear ParsingError trying to run SPARQL INSERT query by maxrosen

Jan 07, 2024 by maxrosen

How to access inactive concepts? by Kim Tang

Jan 04, 2024 by Kim Tang

Run the reasoner but no change in the ontology by Tengyu Li

Dec 21, 2023 by Tengyu Li

Creating Classes and General Class Axioms in a namespace by hoopla

Dec 21, 2023 by Jiba

Request: Make Cython parser module warning optional by Steve Wartik

Dec 06, 2023 by Jiba

Owlready 0.45 by Jiba

Nov 09, 2023 by Jiba

stack overflow error during readin of ontologies by AleSteB

Nov 09, 2023 by Jiba

How to access the classes and existential restrictions inside a General Class Axiom by urso

Nov 07, 2023 by Jiba

Pymedtermino2 ICD10 import behaving strangely by jritch33

Nov 04, 2023 by jritch33

warnings seen during pytest runs by jclerman

Sep 28, 2023 by jclerman

subproperty of a transitive property is always transitive by qai222

Sep 21, 2023 by Jiba

Ontologies with Python - subclass_of vs equivalent_to by jritch33

Sep 20, 2023 by jritch33

Bug on changing properties by ehe

Sep 20, 2023 by Jiba

Support load() to provide explicit ontology file locations by jo-fra

Sep 20, 2023 by Jiba

SPARQL QUERY - UNEXPECTED RESULTS by chituan01

Sep 13, 2023 by Jiba

how does `set_name` work? by qai222

Sep 13, 2023 by qai222

Owlready2 accessing attributes of powertypes - How to access the attributes of an instance that is a sub-class too by André Demori

Sep 11, 2023 by Jiba

Strings are not escaped when searching for concepts in world via sqlite by Kim Tang

Sep 07, 2023 by Kim Tang

Implement third party triplestore as backend and sparql endpoint by mehling

Sep 07, 2023 by Jiba

Problem using ontology in multi-process environment by fabad

Sep 07, 2023 by Jiba

Problem with equivalenting properties with And logical construct by pmlee

Aug 16, 2023 by Jiba

Lier un graph rdflib à une ontologie by Bloodbee

Aug 07, 2023 by Bloodbee

AttributeError: Can't pickle local object while loading ontology from local by maxrosen

Aug 04, 2023 by maxrosen

Owlready 0.44 by Jiba

Aug 02, 2023 by Jiba

Missing Individuals after creation by Luis Antonio Rodrigu...

Aug 02, 2023 by Jiba

Bug on parsing Object Property Characteristics by ehe

Aug 01, 2023 by Jiba

Unwanted behavior when deleting properties by ehe

Jul 31, 2023 by Jiba

Owlready2 - SPARQL queries - FILTER LANGUAGE by chituan01

Jul 20, 2023 by chituan01

Owlready2 Pellet Jena Vulnerability by devdevdevdev

Jul 07, 2023 by Jiba

Accessing entities in imported ontologies by samsontu

Jul 03, 2023 by Jiba

Owlready 0.43 by Jiba

Jun 30, 2023 by Jiba

Deleting a class does not update equivalent to by dcd8

Jun 08, 2023 by dcd8

equivalent_to property is not symmetric? by emir

Jun 08, 2023 by Jiba

IMPORT MOUNTAINBIKE DATA AND ONTOLOGY by AXCEL

Jun 06, 2023 by AXCEL

Export Individuals with brackets in the class type by dcd8

Jun 01, 2023 by Jiba

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