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 (113)
Replies Last Post Views
transfering classes, restrictions, etc. from one ontology to another one by gp
6
by gp
Problem with really simple queries by Martina
4
by Martina
Unique constraint error with SQLlite by mafi
11
by mafi
Owlready2 0.10 has been released! by Jiba
0
by Jiba
No results when running the same SPARQL query in Owlready compared to Protege by IWilliams
2
by Jiba
Inferring Object Properties for Individuals Based on Asserted SomeValuesFrom by Richard
4
by Richard
Extending the ontology by adding rules by IWilliams
1
by Jiba
"IndexError: list index out of range" when I invoke the .save() by IWilliams
1
by Jiba
connection to triplestore by Emilio
3
by Jiba
Extract the triples from the existed owl file by small_tadpole
3
by Jiba
Accessing inferred facts in individuals by Oli
3
by Jiba
Problem retriving data by Armando
1
by Jiba
Access the content of an ontology to create a graph by andreAn
1
by Jiba
how to access to ancestors or superclass of classes? by MV
5
by Jiba
get double the property value when using getattr(individual,'propName') by Mutian
2
by Mutian
can't access to ontology in other languges by mary
1
by Jiba
Accessing class definitions by Rajarshi Guha
1
by Jiba
Can't access Ontology classes. by CardiffMatt
1
by Jiba
Owlready2 0.9 has been released! by Jiba
11
by Jiba
annotation properties with different namespaces by Citlalli
4
by Jiba
Creating a copies (instances) of a load ontology for each user by IWilliams
3
by IWilliams
Adding new properties to classes of ontology to a file by KZ
1
by Jiba
Accessing class by its name in owlready2 by KZ
1
by Jiba
Dynamic annotations by Mathias Millet
1
by Jiba
Forward Declarations bug? by rdk
4
by Jiba
Automate Ontology Metadata by rdk
2
by rdk
Cardinality restrictions by Rusne
1
by Jiba
Onto.search(link = "*") not retrieving anything by Frack
2
by Frack
How to create SKOS annotations for an individual and blank node use owlready2 by zhiwei
2
by zhiwei
ontology merging by Jui Guram
2
by gp
TypeError: metaclass conflict: by Aleftina
8
by Aleftina
Error while loading owlready2 by Pradip
2
by Ulrich18
Using a SPARQL Processor/Engine for multiple queries by IWilliams
1
by Jiba
calling onto.object_properties giving error by Pradip
1
by Jiba
Creating data property dynamically by Jui Guram
1
by Jiba
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