| Friend of a Friend (FOAF) |
| ======================================================================================================================== |
|
|
| Overview |
| -------- |
| FOAF is a project devoted to linking people and information using the Web. |
| Regardless of whether information is in people's heads, in physical or digital documents, |
| or in the form of factual data, it can be linked. |
|
|
| :Domain: Social Sciences |
| :Category: Social |
| :Current Version: 0.1 |
| :Last Updated: 14 January 2014 |
| :Creator: Dan Brickley, Libby Miller |
| :License: Creative Commons |
| :Format: RDF |
| :Download: `Friend of a Friend (FOAF) Homepage <http://xmlns.com/foaf/0.1/>`_ |
|
|
| Graph Metrics |
| ------------- |
| - **Total Nodes**: 168 |
| - **Total Edges**: 504 |
| - **Root Nodes**: 5 |
| - **Leaf Nodes**: 87 |
|
|
| Knowledge coverage |
| ------------------ |
| - Classes: 15 |
| - Individuals: 13 |
| - Properties: 60 |
|
|
| Hierarchical metrics |
| -------------------- |
| - **Maximum Depth**: 1 |
| - **Minimum Depth**: 0 |
| - **Average Depth**: 0.17 |
| - **Depth Variance**: 0.14 |
|
|
| Breadth metrics |
| ------------------ |
| - **Maximum Breadth**: 5 |
| - **Minimum Breadth**: 1 |
| - **Average Breadth**: 3.00 |
| - **Breadth Variance**: 4.00 |
|
|
| Dataset Statistics |
| ------------------ |
| Generated Benchmarks: |
| - **Term Types**: 13 |
| - **Taxonomic Relations**: 11 |
| - **Non-taxonomic Relations**: 21 |
| - **Average Terms per Type**: 13.00 |
|
|
| Usage Example |
| ------------- |
| .. code-block:: python |
|
|
| from ontolearner.ontology import FOAF |
|
|
| # Initialize and load ontology |
| ontology = FOAF() |
| ontology.load("path/to/ontology.RDF") |
|
|
| # 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 |
|
|
