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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Assigning instances to a dynamically created subclass by cdemir

by Jiba

Accessing ontology class from other method in class by Hanif

by Jiba

Dynamic Class Creation - got an unexpected keyword argument 'namespace' by Peter

by cdemir

How to create and assign instance properties values from a list by TamiM

by TamiM

Does owlready2 support swrlx rules? by Ramsha

by Jiba

Problem with simple queries : search by AdelHans

by Jiba

owlready2_optimized not built on OSX by jonathanunderwood

by mark

How to do twice reasoning by Jacky

by Jiba

Problem with disjoint.classes? by Mike Bergman

by Jiba

Export triplets generated by reasoning by carlos

by Jiba

ValueError: OwlReady does not support OWL/RDF format. Please use OWL/XML. by cornorghost

by Jiba

Fix for issue with calling world.as_rdflib_graph().query_owlready() by jesper-friis

by Jiba

Reading out "nested" restritions by nntvi

by Jiba

HermiT does not work properly by cy83rc0llect0r

by Jiba

sqlite3.OperationalError: no such module: fts5 by Moslem

by Jiba

Accessing owl:versionIRI and general storid by jesper-friis

by jesper-friis

Create new concept in an existing ontology by kloud

by Jiba

SWRL Rules with class expressions by Joel Valim

by Jiba

How to import instances and their respective data properties' values from a CSV file to the ontology? by rahul_raj

by kloud

Use rdf or rdfs datatype? by Sam Russell

by Sam Russell

Automatically concept creation by logical operations by cdemir

by Jiba

"argument 1 must be str, not int" error when copying to a new ontology by Louis

by Louis

Duplicated Data Properties by feknorr

by feknorr

Error loading raw OntoCAPE by pxk87

by Jiba

Syntax error by George

by Jiba

Ambiguous reasoner output by Chen

by Jiba

How to add multiple SWRL rules ? by shazz

by shazz

Python functions for Thing class by Jordon

by Jordon

It looks like I'm not a good Pizzaïolo, problems with simple reasoning by shazz

by Jiba

Reasoner by Rita

by Jiba

JSON TO OWL CONVERSION by jui gram

by Marke

Existing ontology (metadata) to describe Business Transactions triples. by cracoras

by cracoras

Problem when instantiating sub-class of owl.Thing by cracoras

by cracoras

Checking a class is primitive or a defined class by GoMa

by mareikep@cs.uni-brem...

Loading OWL imports from local by David

by Jiba

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