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Materials Design Ontology (MDO)
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Overview
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MDO is an ontology for materials design field, representing the domain knowledge specifically related
to solid-state physics and computational materials science.
:Domain: Materials Science and Engineering
:Category: Materials Design
:Current Version: 1.1
:Last Updated: 2022-08-02
:Creator: Materials Design Division, National Institute for Materials Science (NIMS)
:License: Creative Commons 4.0
:Format: OWL
:Download: `Materials Design Ontology (MDO) Homepage <https://github.com/LiUSemWeb/Materials-Design-Ontology/tree/master/>`_
Graph Metrics
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- **Total Nodes**: 76
- **Total Edges**: 137
- **Root Nodes**: 14
- **Leaf Nodes**: 24
Knowledge coverage
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- Classes: 13
- Individuals: 2
- Properties: 13
Hierarchical metrics
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- **Maximum Depth**: 2
- **Minimum Depth**: 0
- **Average Depth**: 0.46
- **Depth Variance**: 0.33
Breadth metrics
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- **Maximum Breadth**: 14
- **Minimum Breadth**: 1
- **Average Breadth**: 8.00
- **Breadth Variance**: 28.67
Dataset Statistics
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Generated Benchmarks:
- **Term Types**: 2
- **Taxonomic Relations**: 3
- **Non-taxonomic Relations**: 1
- **Average Terms per Type**: 2.00
Usage Example
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.. code-block:: python
from ontolearner.ontology import MDO
# Initialize and load ontology
ontology = MDO()
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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