The API documentation says something about storing up to 100 K records or so in a catalog, and I was trying to make the catalog as discriminatory as possible, so that it would not re-recommend artists and/or songs that were disliked. Is that not the function of the bans? Would I be better off assigning a rating of 1 instead? The catalog also has a rather diverse set of rated artists/songs, which probably generates the wide variety of recommendations, most of which are then rejected. Should the contents of a catalog be more directed, say, to limit its contents to a particular genre or something? Any elaboration is appreciated. Thank you.
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