I think 'serendipity' [1] is the most-used term in recommender systems to describe what you mean. [1] https://books.google.nl/books?id=_AfABAAAQBAJ&pg=PA258&lp

I think 'serendipity' [1] is the most-used term in recommender systems to describe what you mean. [1] https://books.google.nl/books?id=_AfABAAAQBAJ&pg=PA258&lpg=PA258&dq=serendipity+machine+learning https://books.google.nl/books?id=_AfABAAAQBAJ&pg=PA258&lpg=P...