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

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Topics (363)
Replies Last Post Views
Issue with onto_world.instances() by MK
0
by MK
Pellet reasoner in owlready2 does not accept some characters by Xavier
1
by Xavier
getting domain and range from Object Property by PiotrB
3
by Jiba
KeyError: 'datatypeIRI' in owlready library by murattkilinc
0
by murattkilinc
Saving only elements of the ontology used by the individuals by Javier de la Rosa
0
by Javier de la Rosa
Unknown and false by William
4
by William
exactly (1,None) by Ina
2
by Ina
Getting Annotations of an Annotation (Sub-Annotations) by Clair Kronk
10
by Jiba
Problem with Pellet reasoner and restrictions by Mareike
3
by Mareike
Saving ontology with indirect facts by falcaopetri
2
by falcaopetri
creating an instance save my properties values as annotations by alevray
3
by alevray
Cleaning python instances before closing a triple store by alevray
5
by alevray
AttributeError: 'python_name' property is not defined by gbaesso
10
by Jiba
Class.Property does not return properties with max and only restriction by GoMa
3
by Jiba
transfering classes, restrictions, etc. from one ontology to another one by gp
10
by Jiba
French book "Python et les ontologies" by Jiba
4
by Jiba
error during installation by JeremyB
3
by Jiba
Python-based reasoner by MG
7
by rdk
mapping from get_triples to IRIs by Mark L.
1
by Jiba
getting NoneType for entities that should be in ontology by Mark L.
4
by Mark L.
Which human readable syntax by jfd
2
by rdk
NTriples parsing error (or unrecognized file format) for DiseaseOntology by adriata
2
by adriata
how to access to ancestors or superclass of classes? by MV
7
by Jiba
Interest of Protégé for a small ontology (few classes, numerous instances) by jfd
1
by Jiba
TypeError trying to find ancestors by joym
2
by joym
Owlready2 0.22 has been released! by Jiba
2
by Jiba
How to specify the java.exe path when deploying an app to heroku by IWilliams
2
by IWilliams
display owl file content in triplets. by Gayathri
6
by Gayathri
Call owl api using python flask by Gayathri
1
by Jiba
Getting error in running owl code by Gayathri
1
by Jiba
TypeError: 'NoneType' object is not subscriptable by Reza
4
by germyrinn
retrieve hirarechy of sub-properties in an ontology by Shadi
0
by Shadi
Transferring/Copying properties from one class to another by GoMa
2
by GoMa
Is there a pyhton package to visualize the facts in OWL by IWilliams
1
by rdk
can't assign an object property to instances of a class. by leonlp
2
by leonlp
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