It would be great to have a plugin (or, this might actually be part of the core functionality) that would run different distance measures to compare existing notes in order to identify and suggest:
- notes that are potential duplicates (through cosine similarity);
- notes that share similar keywords (through tf-idf). This option will be particularly valuable because then Obsidian itself will be suggesting connections. A graph view can then show the existing connections, the suggested connections — together or separately.
Other distance metrics can be included for slightly different outcomes.