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 (759)
Replies Last Post Views
Adding Custom Datatypes to Property Restrictions by ehe
1
by Jiba
Issues with exported ontology XML if entity IRIs use "/" instead of "#" by niva
1
by Jiba
How to persitently change base_iri such taht it is saved? by cknoll
1
by Jiba
SPARQL native engine: syntax error in SQL translation by Patzy
2
by Patzy
KeyError when using importlib.reload(...) on the owlready module by cknoll
1
by Jiba
stochastic "UnboundLocalError" when loading ontology by cknoll
1
by Jiba
Imported ontology error by gregor.ovsenjak@gmai...
1
by Jiba
Doubt regarding object properties in the book 'Ontologies with Python' by aman
1
by Jiba
Redundant super class in ontology after reasoning by cknoll
1
by Jiba
Owlready 0.36 by Jiba
3
by chrum
Data property work around by azihsan
1
by Jiba
Dynamic Class creation with Attributes by azihsan
1
by franzlst
Listing of Inverse Properties by franzlst
7
by franzlst
Support for xsd.duration in time ontology? by chrum
4
by Jiba
Insufficient check for loading ontology from file. by NicolasRouquette
2
by Jiba
Inconsistent URL in the imported ontologies by lesterlyu
5
by Jiba
Incorrect owl when saving ontology in rdfxml? by fpopineau
2
by fpopineau
Ontology load flag is set to True in contact manager's __enter__ method by franzlst
2
by franzlst
Creating a relation with property from other ontology by Mome
3
by Mome
Best way to handle sequences by franzlst
2
by franzlst
Issue with reasoner and getting owlready2.base.OwlReadyJavaError by Gopi
0
by Gopi
Stack overflow in simple piece of code by Conrad
10
by Conrad
sqlite3 version mismatch on different installation methods by yanivbm
4
by yanivbm
How to assign rdf:type attribute to a class in existing ontology by akirafei
1
by Jiba
Using non-atomic concepts on the left-hand side of a statement by stelios
2
by stelios
Pellet error - AttributeError: 'CompletedProcess' object has no attribute 'decode' by stelios
4
by stelios
How to use different prefix in SWRL rules? by isukura
1
by Jiba
How to delete a specific individual from a specific class by REPMEDDY
1
by Jiba
Error in "insert query with parameter" by bernard.lhostis
1
by Jiba
Owlready2 sqlite3 quadstore - database lock by costeira
4
by Jiba
Strange behaviour with pizza ontology: 'NoneType' object is not callable by eliskav
1
by felix
Prepare SPARQL: Variable ?v cannot be both datas and objs! by franzlst
4
by Jiba
Querys by RodrigoB
1
by Jiba
Owlready 0.35 by Jiba
0
by Jiba
pymedtermino ValueError: Cannot save existent quadstore in 'pym.sqlite3' by dromedary88
7
by Jiba
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