Cluster-Smoothed with Random Neighbor Selection for Collaborative Filtering

Abstract
Collaborative filtering is an approach that is usually used for recommendation system to get prediction value from item by user active. Sometimes user not fully gives rating toward all items that caused the rating data becomes sparse. In Collaborative filtering, for handling this problem we can do smoothing process. This paper implemented Cluster-Smoothed method as smoothing process and used Random Neighbor Selection method for determining neighbor that helps in prediction process. Based on research, the smallest Mean Absolute Error (MAE) value obtained is 0.732.

Link:
https://ieeexplore.ieee.org/abstract/document/7377764/

@inproceedings{rahmawati2015cluster,
  title={Cluster-Smoothed with Random Neighbor Selection for Collaborative Filtering},
  author={Rahmawati, Aulia and Wibowo, Agung Toto and Wulandari, Gia Septiana},
  booktitle={Computer, Control, Informatics and its Applications (IC3INA), 2015 International Conference on},
  pages={154--158},
  year={2015},
  organization={IEEE}
}

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