Table 2 Connectivity features and their descriptions.
From: Interpretable patent recommendation with knowledge graph and deep learning
No | Connectivity features | Descriptions |
|---|---|---|
P1 | \(Patent\stackrel{has term}{\to }Term\stackrel{has term}{\leftarrow }Patent\stackrel{is transferred to}{\to }Company\) | The head patents have the same terms as the patents that were transferred to the companies |
P2 | \(Patent\stackrel{has category}{\to }Category\stackrel{has category}{\leftarrow }Patent\stackrel{is transferred to}{\to }Company\) | The head patents have the same categories as the patents that were transferred to the companies |
P3 | \(Patent\stackrel{cites}{\leftrightarrow }Patent\stackrel{is transferred to}{\to }Company\) | The head patents have citation relation with the patents that were transferred to the companies |
P4 | \(Patent\stackrel{cites}{\leftrightarrow }Patent\stackrel{cites}{\leftrightarrow }Patent\stackrel{is transferred to}{\to }Company\) | The head patents have indirect citation relation with the patents that were transferred to the companies |
P5 | \(Patent\stackrel{is invented by}{\to }Inventor\stackrel{is invented by}{\leftarrow }Patent\stackrel{is transferred to}{\to }Company\) | The head patents share the same inventors as the patents that were transferred to the companies |
P6 | \(Patent\stackrel{is transferred to}{\to }Company\stackrel{is transferred to}{\leftarrow }Patent\stackrel{is transferred to}{\to }Company\) | The head patents share the same assignees with the patents that were transferred to the tail companies |
P7 | \(Patent\stackrel{is protected in}{\to }Country\stackrel{is protected in}{\leftarrow }Patent\stackrel{is transferred to}{\to }Company\) | The head patents are protected in the same countries as the patents that were transferred to the tail companies |
