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IEEE/ICACT20200192 Slide.19        [Big Slide]       [YouTube]	Oral Presentation
	The quality of collaborative filtering recommendations is significantly affected by the number of ratings due to the fact that they rely on the item's interactions to make recommendations. When new items arrive with no or very little interactions, it leads to the problem of item cold start, in which a pure collaborative algorithm cannot recommend the item or the quality of those recommendations will be poor. (Contd.)<above>

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