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The question of how to get the best results out of the data we have is aneverlasting problem in data science. The two main approaches to tackle theproblem are top-k queries and skyline queries. Since their introduction, a newparadigm called flexible skylines has emerged. The aim of this survey is toprovide a solid comparison between the new and the old approaches,understanding and exploring their differences and similarities.

Comparing Flexible Skylines And Top-k Queries: Which Is the Best Alternative?