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 (846)
Replies Last Post Views
Read all the subclasses of a class in case of multi-inheritance by claire
3
by claire
it is really slow to extract the concept code from the output of the search function by Wei
2
by Wei
'NoneType' object is not callable by Ina
2
by Ina
onto.save() doesn't work by Hamico
4
by Hamico
Inserting SWRL rules via Owlready by Marie
4
by Marie
How to return all Properties for a Class by fengbozheng
7
by fengbozheng
How do I delete SWRL rules from the ontology? by Stefan
1
by Jiba
incomplete accepted predicates? by Nicolai
2
by Nicolai
What is a better way to express Rxy for all x in A and y in B (closed) by William
5
by Jiba
about INDIRECT_relation (closed) by William
3
by Jiba
How to use an external reasoner by Hamico
4
by Hamico
Query sparql without reasoner by Hamico
13
by Hamico
about ReflexiveProperty (replied) by William
1
by Jiba
Why OWLReady sets data property with "float" range as "decimal"? by Babroo
3
by Babroo
Extension of the domain of relations (closed) by William
1
by Jiba
Define inverse property dynamically (closed) by William
1
by Jiba
"A metaphysical phenomenon" related to close_world() and/or sync_reasoner() (ignored) by William
0
by William
Problem with pellet and data properties by Stefan
5
by Jiba
Why dose 'OneOf' object have no attribute 'is_a' (answered) by William
3
by Jiba
How do I get individual x that x is a A(answered) by William
1
by Marie
How to access the datatype of a property by jonathanunderwood
4
by Jiba
Difference between OWLReady2 and RDFLib by Shadi
7
by rks
INDIRECT_is_a dose not work as I thought. (closed) by William
1
by Jiba
Import skos:core by Jeff Staples
1
by Jiba
Has problems with load local owl ontology which has importing other two local ontologies. by ShirleyWx
1
by Jiba
Similarity measure ontologies by jayson
2
by jayson
Find the class associated with a given individual by umar
2
by umar
Object Properties not updating after SPARQL Update queries if accessed previously by Stefan
3
by Stefan
sparql query on composite sentence by Hamico
1
by Jiba
inverse_property attribute of symmetric properties by Stefan
1
by Jiba
I dont know if it is possible ... by Jesus
1
by Jiba
Owlready2 0.18 has been released! by Jiba
0
by Jiba
Using SWRL Rules / Different Reasoner by martingrant
8
by ai_coder_42
Inserting duplicate triples with SPARQL Update by Marie
2
by Marie
about negative relation by William
1
by Jiba
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