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Tintarev, N. (author), Sullivan, Emily (author), Guldin, Dror (author), Qiu, S. (author), Odjik, Daan (author)Recommender systems for news articles on social media select and filter content through automatic personalization. As a result, users are often unaware of opposing points of view, leading to informational blindspots and potentially polarized opinions. They may be aware of a topic, but only be exposed to one viewpoint on this topic. However,...conference paper 2018