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Relation Ontology (RO)
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Overview
--------
The Relations Ontology (RO) is a collection of OWL relations (ObjectProperties) intended for use
across a wide variety of biological ontologies.
:Domain: General Knowledge
:Category: Relations
:Current Version: 2024-04-24
:Last Updated: 2024-04-24
:Creator: None
:License: CC0
:Format: OWL
:Download: `Relation Ontology (RO) Homepage <http://purl.obolibrary.org/obo/ro.owl>`_
Graph Metrics
-------------
- **Total Nodes**: 4635
- **Total Edges**: 10477
- **Root Nodes**: 381
- **Leaf Nodes**: 2650
Knowledge coverage
------------------
- Classes: 88
- Individuals: 2
- Properties: 673
Hierarchical metrics
--------------------
- **Maximum Depth**: 13
- **Minimum Depth**: 0
- **Average Depth**: 1.90
- **Depth Variance**: 2.53
Breadth metrics
------------------
- **Maximum Breadth**: 870
- **Minimum Breadth**: 1
- **Average Breadth**: 181.93
- **Breadth Variance**: 70257.92
Dataset Statistics
------------------
Generated Benchmarks:
- **Term Types**: 2
- **Taxonomic Relations**: 65
- **Non-taxonomic Relations**: 10
- **Average Terms per Type**: 2.00
Usage Example
-------------
.. code-block:: python
from ontolearner.ontology import RO
# Initialize and load ontology
ontology = RO()
ontology.load("path/to/ontology.OWL")
# Extract datasets
data = ontology.extract()
# Access specific relations
term_types = data.term_typings
taxonomic_relations = data.type_taxonomies
non_taxonomic_relations = data.type_non_taxonomic_relations
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