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        Journal: Sensors, 2021
        Volume: 21 
                	Number: 1997 
                
        
        Article:
        Modeling of Recommendation System Based on Emotional Information and Collaborative Filtering 
        Authors: 
       	by
                    Tae-Yeun Kim, Hoon Ko, Sung-Hwan Kim and Ho-Da Kim        
        Link:
        https://www.mdpi.com/1424-8220/21/6/1997
        
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