They are currently stored in a dedicated field of the `Article` model. It would be better to create them as proper tags if the user choose to. We should be able to remap those raw tags into our tags so articles from different feeds are tagged consistently in the solution.
This issue appears to be discussing a feature request or bug report related to the repository. Based on the content, it seems to be still under discussion. The issue was opened by Jenselme and has received 0 comments.