Table 3 Statistics of the knowledge graph.
From: Interpretable patent recommendation with knowledge graph and deep learning
Entity types | Number of instances | Relation types | Number of instances |
|---|---|---|---|
Companies | 227,074 | is_transferred_to | 1,819,490 |
Patents | 907,661 | cites | 14,467,861 |
Countries | 123 | is_protected_in | 1,123,087 |
Inventors | 816,154 | is_invented_by | 2,229,005 |
Claims | 14,548,355 | has_claim | 14,548,355 |
Categories | 177,017 | has_category | 8,631,105 |
Terms | 1,420,766 | has_term | 2,497,322 |
