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items to recommend based on the feature the items possess, even if no interaction for a new item exist, still its features will allow for a recommendation to be made.This of course assumes that a new item will be already described by its attributes, which is not always the case. Consider the case of so-called editorial features (e.g. director, cast, title, year), those are always known when the item, in this case movie, is added to the catalogue. However, other kinds of attributes might not be e.g. features extracted from user reviews and tags.

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