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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Object Properties not updating after SPARQL Update queries if accessed previously by Stefan

by Stefan

sparql query on composite sentence by Hamico

by Jiba

inverse_property attribute of symmetric properties by Stefan

by Jiba

I dont know if it is possible ... by Jesus

by Jiba

Owlready2 0.18 has been released! by Jiba

by Jiba

Using SWRL Rules / Different Reasoner by martingrant

by ai_coder_42

Inserting duplicate triples with SPARQL Update by Marie

by Marie

about negative relation by William

by Jiba

Feature request: Ignore Byte Order Mark by fiveop

by Jiba

UnicodeDecodeError: 'charmap' codec can't decode byte 0x81 in position 5439: character maps to <undefined> by Moslem

by Jiba

creating individuals and checking inherited and reasoned properties by davideps

by davideps

How to gathered the way items are linked in an ontology by Frack

by Jiba

Associating a Python module to an OWL ontology by Lynsie

by Lynsie

what to write " in get_ontology("http://PYM/").load() " the command instead of "http://PYM/" ? by Moslem

by Jiba

What is username,password and host in connect to umls in pymedtermino2? by Moslem

by Jiba

Error import umls by Hamico

by Hamico

rdfs:comment annotation by Daniela

by Daniela

Owlready2 0.17 has been released! by Jiba

by rdk

Worlds and Imported Ontologies by Khainy

by Khainy

Problem with creating a new induvidual by Lynsie

by Lynsie

ValueError: Missing concept SNOMEDCT:301182002 ! by Moslem

by Jiba

ImportError: No module named 'owlready2.pymedtermino2' by Moslem

by Moslem

No module named pymedtermino2 and destroy RDF triples by Hamico

by Hamico

World#get does not try to load entities missing form World#_entities by fiveop

by Jiba

TypeError when using sort on result from search by fiveop

by Jiba

possibly another problem with the last version of the CL ontology by gp

by gp

Parser from OWL/XML TO RDF/XML problem by Jesus

by Jiba

AttributeError when saving ontologies by jayson

by Jiba

not able to install OWLEWADY 2 on anaconda by jainajeet123@gmail.c...

by Jiba

underscore in storids by Nicolai

by Nicolai

Append ontology to a World by Gilberto Lobo

by Gilberto Lobo

Read in an ontology and edit its properties to be Functional. by jui gram

by Jiba

Inverse properties relations not inferred by KayJay

by Jiba

Can't create a subclass into a loaded OWL class by gbaesso

by jui gram

How to handle class names that include periods ('.')? by jeffrey.staples

by Jiba

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