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Fuzzy DL OWL 2

A Python porting of the Fuzzy Description Language (FuzzyDL) and the Fuzzy OWL 2 framework, for representing fuzzy logic within description logic and for mapping a knowledge base represented in FuzzyDL to a Fuzzy OWL 2 construct in RDF/XML format.

📖 Full documentation: fuzzy-dl-owl2.readthedocs.io

Features:

  • Object-oriented representation of Fuzzy Description Logic elements
  • Object-oriented representation of Fuzzy OWL 2 elements
  • Mapping from FuzzyDL to Fuzzy OWL 2
  • Mapping from Fuzzy OWL 2 to FuzzyDL
  • Reasoning in FuzzyDL

Installation

pip install fuzzy-dl-owl2

Quick start

from fuzzy_dl_owl2.fuzzydl.parser import DLParserFast as DLParser

DLParser.main("./example.fdl")

See the Usage guide for reasoning, querying, and FuzzyDL ⇄ Fuzzy OWL 2 conversion examples.

Documentation

The full reference lives on Read the Docs:

Examples

The dl-examples directory contains sample knowledge bases written in the FuzzyDL language.

Test

The test directory contains the unittest files; test_suite.py is the full suite. The knowledge bases used by the tests are in examples/TestSuite.

License

This project is licensed under the Creative Commons Attribution-ShareAlike 4.0 International (CC BY-SA 4.0).

Project links

Data verified by PyPI on Jun 23, 2026
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Credits

Author: Giuseppe Filippone

GitHub Statistics

Data verified by PyPI on Jun 23, 2026
The GitHub source repository was provided by the project maintainers and verified by PyPI at the time of upload. Stars, forks, and open issues/PRs are derived from that repository and have not been independently verified.

License

Other/Proprietary License (CC-BY-SA-4.0)

Requires

Python <4.0, >=3.11

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