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Data Analysis and Knowledge Discovery  2019, Vol. 3 Issue (8): 62-67    DOI: 10.11925/infotech.2096-3467.2018.1000
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Collaborative Filtering Recommendation Based on Item Quality and User Ratings
Fusen Jiao,Shuqing Li()
College of Information Engineering, Nanjing University of Finance & Economics, Nanjing 210046, China
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[Objective] This paper proposes a modified collaborative filtering algorithm, aiming to improve the results of personalized recommendations. [Methods] First, we evaluated item quality and corrected user ratings based on their previous records. Then, we identified users with similar interests to generate better recommendations. [Results] We tested the new algorithm on MovieLens dataset and found the MAE was 4.7% higher than those of the traditional or other modified methods. [Limitations] The new algorithm does not address the interests drifting issues. [Conclusions] The proposed algorithm could recommend products to consumers more effectively.

Key wordsRecommender System      Collaborative Filtering      Item Quality      User Rating Correction     
Received: 25 August 2018      Published: 29 September 2019
ZTFLH:  TP391 G35  
Corresponding Authors: Shuqing Li     E-mail:

Cite this article:

Fusen Jiao,Shuqing Li. Collaborative Filtering Recommendation Based on Item Quality and User Ratings. Data Analysis and Knowledge Discovery, 2019, 3(8): 62-67.

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Average HITS Bayes IMDB
Planet Earth Forrest Gump The Shawshank Redemption The Shawshank Redemption
The Shawshank Redemption Pulp Fiction The Godfather The Godfather
The Usual Suspects The Matrix The Usual Suspects The Godfather: Part II
Schindler’s List The Shawshank Redemption The Godfather: Part II The Dark Knight
The Godfather: Part II The Silence of the Lambs Schindler’s List 12 Angry Men
12 Angry Men Jurassic Park Seven Samurai Schindler’s List
Fight Club Star Wars: Episode IV Fight Club The Lord of the Rings: The Return of the King
Pulp Fiction Star Wars: Episode V 12 Angry Men Pulp Fiction
Planet Earth Terminator 2: Judgment Day Spirited Away Il buono, il brutto, il cattivo
Human Planet Braveheart Pulp Fiction Fight Club
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