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An Explainable Recommender System Based On Semantically-Aware Matrix Factorization., Mohammed Sanad Alshammari
An Explainable Recommender System Based On Semantically-Aware Matrix Factorization., Mohammed Sanad Alshammari
Electronic Theses and Dissertations
Collaborative Filtering techniques provide the ability to handle big and sparse data to predict the ratings for unseen items with high accuracy. Matrix factorization is an accurate collaborative filtering method used to predict user preferences. However, it is a black box system that recommends items to users without being able to explain why. This is due to the type of information these systems use to build models. Although rich in information, user ratings do not adequately satisfy the need for explanation in certain domains. White box systems, in contrast, can, by nature, easily generate explanations. However, their predictions are less …