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 (843)

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How to delete a relation by SPJ

by Jiba

snomed expressions by alexissmirnov

by Jiba

override base.py abreviated namespaces by Bob van 't Padje

by Adlane

Transformer un fichier XSD en fichier OWL by Scrappy

by Jiba

How to return results of Swrl consequent by IWilliams

by IWilliams

Can anyone explain/show how I can create swrls in Owlready and the Sparql to query the inferred facts by IWilliams

by IWilliams

How to use Owlready for Ontology-based semantic recommendation by IWilliams

by IWilliams

Get the ontology and save back the ontology to a file server, such as Amazon S3 by IWilliams

by IWilliams

Property assertion instead of individual annotation by jayson

by Jiba

Saving only elements of the ontology used by the individuals by Javier de la Rosa

by Javier de la Rosa

Namespace Name by apachzelt

by apachzelt

“.nt” in owlready parent class name by Sumit Purohit

by Jiba

Use of imported properties on instances by molenz

by Jiba

Owlready2 0.23 has been released! by Jiba

by Jiba

"name" Data Type Property in BioPAX format by sam.regenbogen

by sam.regenbogen

Ontology tree by Tomáš Müller

by Sumit Purohit

ModuleNotFoundError: No module named 'rdflib' by s4mamisc

by s4mamisc

Issue with onto_world.instances() by MK

by MK

python alias for property replaces original name? by Mark L.

by Mark L.

how to create multiple instances for a class by lambda

by Jiba

Extract the triples from the existed owl file by small_tadpole

by Jiba

Issue with Jupyter Notebook by Neo

by Jiba

Can't install owlready2 by marko

by Vit

Pellet reasoner in owlready2 does not accept some characters (SOLVED) by Xavier

by Xavier

Pellet Reasoner with SWRL-rules unreasonable long reasoning duration at inference on individuals by Lukas

by Taha

KeyError: 'datatypeIRI' in owlready library by murattkilinc

by Jiba

exactly (1,None) by Ina

by Ina

Unknown and false (solved) by William

by Jiba

Getting Annotations of an Annotation (Sub-Annotations) by Clair Kronk

by Jiba

Problem with Pellet reasoner and restrictions by mareikep@cs.uni-brem...

by Mareike

Saving ontology with indirect facts by falcaopetri

by falcaopetri

creating an instance save my properties values as annotations by alevray

by alevray

Cleaning python instances before closing a triple store by alevray

by alevray

AttributeError: 'python_name' property is not defined by gbaesso

by Jiba

Class.Property does not return properties with max and only restriction by GoMa

by Jiba

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