“…FCA allows to efficiently represent user preferences and interests in the dataset, also known as formal context. This representation seems to be particularly oriented to the collaborative approach, since FCA is employed to propose recommender systems based on user clustering: Aufaure & Le Grand (2013); Alqadah et al (2015); Chemmalar Selvi et al (2019). Users in the same community should have similar interest since these communities are based on their common interests.…”