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| 1 | +NFDI MatWerk Ontology (MatWerk) |
| 2 | +============================================================================== |
| 3 | + |
| 4 | +Overview |
| 5 | +-------- |
| 6 | +NFDI-MatWerk aims to establish a digital infrastructure for Materials Science and Engineering (MSE), |
| 7 | +fostering improved data sharing and collaboration. This repository provides comprehensive documentation |
| 8 | +for NFDI MatWerk Ontology (MWO) v3.0, a foundational framework designed to structure research data |
| 9 | +and enhance interoperability within the MSE community. To ensure compliance with top-level ontology standards, |
| 10 | +MWO v3.0 is aligned with the Basic Formal Ontology (BFO) and incorporates the modular approach |
| 11 | +of the NFDIcore mid-level ontology, enriching metadata through standardized classes and properties. |
| 12 | +The MWO addresses key aspects of MSE research data, including the NFDI-MatWerk community structure, |
| 13 | +covering task areas, infrastructure use cases, projects, researchers, and organizations. |
| 14 | +It also describes essential NFDI resources, such as software, workflows, ontologies, publications, |
| 15 | +datasets, metadata schemas, instruments, facilities, and educational materials. Additionally, |
| 16 | +MWO represents NFDI-MatWerk services, academic events, courses, and international collaborations. |
| 17 | +As the foundation for the MSE Knowledge Graph, MWO facilitates efficient data integration and retrieval, |
| 18 | +promoting collaboration and knowledge representation across MSE domains. This digital transformation |
| 19 | +enhances data discoverability, reusability, and accelerates scientific exchange, innovation, |
| 20 | +and discoveries by optimizing research data management and accessibility. |
| 21 | + |
| 22 | +:Domain: Materials Science & Engineering |
| 23 | +:Category: Materials Science |
| 24 | +:Current Version: 3.0.0 |
| 25 | +:Last Updated: 2024-01-30 |
| 26 | +:Creator: Hossein Beygi Nasrabadi, Jörg Waitelonis, Ebrahim Norouzi, Kostiantyn Hubaiev, Harald Sack |
| 27 | +:License: Creative Commons 4.0 |
| 28 | +:Format: OWL, TTL |
| 29 | +:Download: `NFDI MatWerk Ontology (MatWerk) Homepage <https://github.com/ISE-FIZKarlsruhe/mwo?tab=readme-ov-file>`_ |
| 30 | + |
| 31 | +Graph Metrics |
| 32 | +------------- |
| 33 | + - **Total Nodes**: 2554 |
| 34 | + - **Total Edges**: 4870 |
| 35 | + - **Root Nodes**: 86 |
| 36 | + - **Leaf Nodes**: 1384 |
| 37 | + |
| 38 | +Knowledge coverage |
| 39 | +------------------ |
| 40 | + - Classes: 449 |
| 41 | + - Individuals: 29 |
| 42 | + - Properties: 129 |
| 43 | + |
| 44 | +Hierarchical metrics |
| 45 | +-------------------- |
| 46 | + - **Maximum Depth**: 13 |
| 47 | + - **Minimum Depth**: 0 |
| 48 | + - **Average Depth**: 2.83 |
| 49 | + - **Depth Variance**: 5.95 |
| 50 | + |
| 51 | +Breadth metrics |
| 52 | +------------------ |
| 53 | + - **Maximum Breadth**: 148 |
| 54 | + - **Minimum Breadth**: 1 |
| 55 | + - **Average Breadth**: 40.00 |
| 56 | + - **Breadth Variance**: 1814.14 |
| 57 | + |
| 58 | +Dataset Statistics |
| 59 | +------------------ |
| 60 | +Generated Benchmarks: |
| 61 | + - **Term Types**: 29 |
| 62 | + - **Taxonomic Relations**: 562 |
| 63 | + - **Non-taxonomic Relations**: 12 |
| 64 | + - **Average Terms per Type**: 4.14 |
| 65 | + |
| 66 | +Usage Example |
| 67 | +------------- |
| 68 | +.. code-block:: python |
| 69 | +
|
| 70 | + from ontolearner.ontology import MatWerk |
| 71 | +
|
| 72 | + # Initialize and load ontology |
| 73 | + ontology = MatWerk() |
| 74 | + ontology.load("path/to/ontology.owl") |
| 75 | +
|
| 76 | + # Extract datasets |
| 77 | + data = ontology.extract() |
| 78 | +
|
| 79 | + # Access specific relations |
| 80 | + term_types = data.term_typings |
| 81 | + taxonomic_relations = data.type_taxonomies |
| 82 | + non_taxonomic_relations = data.type_non_taxonomic_relations |
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