A Movie Recommender System Based on Topic Modeling using Machine Learning Methods

Document Type : Original Article

Authors

1 MSc, Computer Engineering Department, Bu-Ali Sina University, Hamedan, Iran

2 Ph.D. Candidate, Computer Engineering Department, Bu-Ali Sina University, Hamedan, Iran

3 Associate Professor, Computer Engineering Department, Bu-Ali Sina University

Abstract

In recent years, we have seen an increase in the production of films in a variety of categories and genres. Many of these products contain concepts that are inappropriate for children and adolescents. Hence, parents are concerned that their children may be exposed to these products. As a result, a smart recommendation system that provides appropriate movies based on the user's age range could be a useful tool for parents. Existing movie recommender systems use quantitative factors and metadata that lead to less attention being paid to the content of the movies. This research is motivated by the need to extract movie features using information retrieval methods in order to provide effective suggestions. The goal of this study is to propose a movie recommender system based on topic modeling and text-based age ratings. The proposed method uses latent Dirichlet allocation (LDA) modelling to identify hidden associations between words, document topics, and the levels of expression of each topic in each document. Machine learning models are then used to recommend age-appropriate movies. It has been demonstrated that the proposed method can determine the user's age and recommend movies based on the user's age with 93% accuracy, which is highly satisfactory.

Keywords

References

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 Mojtaba Kordabadi received his B.Sc. in software engineering in 2009 from Hamedan University of Applied Sciences. He graduated with a MSc degree in artificial intelligence from Buali Sina University, Hamedan. He is a teacher of computer courses at Hamedan Technical and Vocational University. His research interests include machine learning, recommender systems, data mining.

 Amin Nazari received BSc degree in Computer Software Engineering from Islamic Azad University, Hamedan, in 2009. He received his MSc degree in Computer Software Engineering from Arak University, Arak, in 2015. He is now a Ph.D. candidate of artificial intelligence at the Bu-Ali Sina University, Hamedan. His research interests include wireless sensor networks, the Internet of Things, IoT-fog networks and recommender systems.

 Muharram Mansoorizadeh is an associate professor at the Computer Engineering Department of Bu-Ali Sina University. He received his BSc degree in software engineering from the University of Isfahan, Isfahan, Iran, in 2001, and his MSc degree in software engineering and the PhD in computer engineering from Tarbiat Modares University, Tehran, Iran, in 2004 and 2010, respectively. His current research interests include machine learning, affective computing and information retrieval.

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

International Journal of Web Research
Volume 5, Issue 2
Summer-Autumn
December 2022
Pages 19-28

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