Show a detailed list of all the factors that went into each movie recommendation.
I'd love to see a list like:
You loved star wars, we think you'll like X because they both have:
- The hero's journey
- Parental loss
- Magical wizard helpers
- Fight against evil
- Political oppression
- Some romance
- Set in space
- Childhood innocence shattered
It would require that you categorize movies with a lot of granularity, of course, but that's the kind of data I imagine a movie recommendation engine has?
Yes? No?
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Leopoldo Sanczyk commented
Should those be tags of Star Wars! But people don't tag movies, or use it to tag stupid things like "Viewed at the cinema", "My friend has it in DVD", "Johny's favorite", "IMDB front page today", etc...